List of Begonia species

• Begonia abbottii Urb. • Begonia abdullahpieei Kiew • Begonia aberrans Irmsch. • Begonia aborensis Dunn • Begonia acaulis Merr. & L.M.Perry • Begonia acclivis Coyle • Begonia acerifolia Kunth • Begonia aceroides Irmsch. • Begonia acetosa Vell. • Begonia acetosella Craib • Begonia acida Vell. • Begonia aconitifolia A.DC. • Begonia acuminatissima Merr. • Begonia acutifolia Jacq. • Begonia acutiloba Liebm. • Begonia acutitepala K.Y.Guan & D.K.Tian • Begonia adamsensis Magtoto & Rubite • Begonia adenodes Irmsch. • Begonia adenopoda Lem. • Begonia adenostegia Stapf • Begonia admirabilis Brade • Begonia adpressa Sosef • Begonia adscendens C.B.Clarke • Begonia aenea Linden & André • Begonia aequata A.Gray • Begonia aequatoguineensis Sosef & Nguema • Begonia aequatorialis L.B.Sm. & B.G.Schub. • Begonia aequilateralis Irmsch. • Begonia aeranthos L.B.Sm. & B.G.Schub. • Begonia affinis Merr. • Begonia aggeloptera N.Hallé • Begonia aguiabrancensis L.Kollmann • Begonia agusanensis Merr. • Begonia akaw Mansibang, Aumentado & Y.P.Ang • Begonia alba Merr. • Begonia albidula Brade • Begonia albobracteata Ridl. • Begonia albococcinea Hook. • Begonia albomaculata C.DC. ex Huber • Begonia × albopicta W.Bull • Begonia alcarrasica J.Sierra • Begonia alchemilloides A.DC. • Begonia algaia L.B.Sm. & Wassh. • Begonia alice-clarkae Ziesenh. • Begonia aliciae C.E.C.Fisch. • Begonia alicida C.B.Clarke • Begonia almedana Burt-Utley & Utley • Begonia alnifolia A.DC. • Begonia alpina L.B.Sm. & Wassh. • Begonia altamiroi Brade • Begonia altissima Ridl. • Begonia altoperuviana A.DC. • Begonia alvarezii Merr. • Begonia alveolata T.T.Yu • Begonia × amabilis Linden • Begonia amphioxus Sands • Begonia ampla Hook.f. • Begonia anaimalaiensis Bedd. • Begonia andamensis Parish ex C.B.Clarke • Begonia andersonii Kiew & S.Julia • Begonia andina Rusby • Begonia androrangensis Humbert • Begonia androturba Coyle • Begonia anemoniflora Irmsch. • Begonia angilogensis Merr. • Begonia angolensis Irmsch. • Begonia angraensis Brade • Begonia angularis Raddi • Begonia angulata Vell. • Begonia angustilimba Merr. • Begonia angustiloba A.DC. • Begonia anisoptera Merr. • Begonia anisosepala Hook.f. • Begonia anjuanensis Humbert ex Aymonin & Bosser • Begonia ankaranensis Humbert ex Aymonin & Bosser • Begonia annobonensis A.DC. • Begonia annulata K.Koch • Begonia anodifolia A.DC. • Begonia antaisaka Humbert • Begonia anthonyi Kiew • Begonia × antonietae Brade • Begonia antongilensis Humbert • Begonia antsingyensis Humbert ex Aymonin & Bosser • Begonia antsiranensis Aymonin & Bosser • Begonia apayaoensis Merr. • Begonia apparicioi Brade • Begonia aptera Blume • Begonia arachnoidea C.I Peng, Yan Liu & S.M.Ku • Begonia arborescens Raddi • Begonia arboreta Y.M.Shui • Begonia archboldiana Merr. & L.M.Perry • Begonia areolata Miq. • Begonia arfakensis (Gibbs) L.L.Forrest & Hollingsw. • Begonia argentea Linden • Begonia argenteomarginata Tebbitt • Begonia aridicaulis Ziesenh. • Begonia aristata Blasco, Alejandro, & Rubite • Begonia arnottiana (Wight) A.DC. • Begonia arrogans Irmsch. • Begonia articulata Irmsch. • Begonia artior Irmsch. • Begonia asperifolia Irmsch. • Begonia aspleniifolia Hook.f. ex A.DC. • Begonia assurgens Irmsch. ex Weberling • Begonia asteropyrifolia Y.M.Shui & W.H.Chen • Begonia asympeltata L.B.Sm. & Wassh. • Begonia atricha (Miq.) Miq. ex A.DC. • Begonia atroglandulosa Sosef • Begonia augustae Irmsch. • Begonia augustinei Hemsl. • Begonia aurantiflora C.I Peng, Yan Liu & S.M.Ku • Begonia auriculata Hook.f. • Begonia auritistipula Y.M.Shui & W.H.Chen • Begonia austroguangxiensis Y.M.Shui & W.H.Chen • Begonia austrotaiwanensis Y.K.Chen & C.I.Peng • Begonia awongii Sands • Begonia axillaris Ridl. • Begonia axillipara Ridl. • Begonia azuensis Urb. & Ekman ==B==

• Begonia baccata Hook.f. • Begonia bagotiana Humbert ex Aymonin & Bosser • Begonia bahakensis Sands • Begonia bahiensis A.DC. • Begonia baik C.W.Lin & C.I Peng • Begonia bajik S.Julia & C.Y.Ling • Begonia balangcodiae Rubite, S.H.Liu & K.F.Chung • Begonia balansae C.DC. • Begonia balansana Gagnep. • Begonia baliensis Girm. • Begonia balmisiana Balmis • Begonia bamaensis Yan Liu & C.I Peng • Begonia banaoensis J.Sierra • Begonia bangii Kuntze • Begonia bangsamoro D.P.Buenavista • Begonia baramensis Merr. • Begonia barbellata Ridl. • Begonia barborkae Halda • Begonia barkeri Knowles & Westc. • Begonia barkleyana L.B.Sm. • Begonia baronii Baker • Begonia barrigae L.B.Sm. & B.G.Schub. • Begonia bartlettiana Merr. & L.M.Perry • Begonia bataiensis Kiew • Begonia batusangiensis Ardi & D.C.Thomas • Begonia baturongensis Kiew • Begonia baumannii Lemoine ex Wittm. • Begonia baviensis Gagnep. • Begonia beccariana Ridl. • Begonia beccarii Warb. • Begonia beddomei Hook.f. • Begonia beijnenii • Begonia bekakapensis C.Y.Ling & S.Julia • Begonia bekopakensis Aymonin & Bosser • Begonia bequaertii Robyns & Lawalrée • Begonia berhamanii Kiew • Begonia bernicei Aymard & G.A.Romero • Begonia bernieri A.DC. • Begonia beryllae Ridl. • Begonia besleriifolia Schott • Begonia betsimisaraka Humbert • Begonia bettinae Ziesenh. • Begonia bidentata Raddi • Begonia biflora T.C.Ku • Begonia bifolia Ridl. • Begonia bifurcata L.B.Sm. & B.G.Schub. • Begonia biguassuensis Brade • Begonia bijantiae D.Borah, Taram & M.Hughes • Begonia biliranensis Merr. • Begonia binuangensis Merr. • Begonia bipinnatifida J.J.Sm. • Begonia biserrata Lindl. • Begonia bissei J.Sierra • Begonia blancii M.Hughes & C.I Peng • Begonia bogneri Ziesenh. • Begonia boisiana Gagnep. • Begonia boissieri A.DC. • Begonia boiviniana A.DC. • Begonia boliviensis A.DC. • Begonia bolleana Urb. & Ekman • Begonia bolsteri Merr. • Begonia bonii Gagnep. • Begonia bonitoensis Brade • Begonia bonthainensis Hemsl. • Begonia bonus-henricus J.J.de Wilde • Begonia boraceiensis Handro • Begonia borneensis A.DC. • Begonia bosseri Keraudren • Begonia boucheana (Klotzsch) A.DC. • Begonia bouffordii C.I Peng • Begonia bowerae Ziesenh. • Begonia brachybotrys Merr. & L.M.Perry • Begonia brachyclada Urb. & Ekman • Begonia brachypoda O.E.Schulz • Begonia bracteata Jack • Begonia bracteosa A.DC. • Begonia bradei Irmsch. • Begonia brandbygeana L.B.Sm. & Wassh. • Begonia brandisiana Kurz • Begonia brassii Merr. & L.M.Perry • Begonia breedlovei Burt-Utley • Begonia brevibracteata Kupicha • Begonia brevicaulis A.DC. • Begonia brevicordata L.B.Sm. & B.G.Schub. • Begonia brevilobata Irmsch. • Begonia brevipedunculata Y.M.Shui • Begonia brevipes Merr. • Begonia brevipetala (A.DC.) Warb. • Begonia brevirimosa Irmsch. • Begonia × breviscapa C.I Peng, Yan Liu & S.M.Ku • Begonia brevisetulosa C.Y.Wu • Begonia bridgesii A.DC. • Begonia bruneiana Sands • Begonia buchtienii Irmsch. • Begonia buddleiifolia A.DC. • Begonia bufoderma L.B.Sm. & Wassh. • Begonia buimontana Yamam. • Begonia bulbillifera Link & Otto • Begonia bullata Urb. & Ekman • Begonia bullatifolia L.Kollmann • Begonia burbidgei Stapf • Begonia burkillii Dunn • Begonia burmensis L.B.Sm. & Wassh. • Begonia burttii Kiew & S.Julia • Begonia buseyi Burt-Utley ==C==

• Begonia cacauicola L.B.Sm. ex S.F.Sm. & Wassh. • Begonia caespitosa Jack • Begonia calcarea Ridl. • Begonia calcicola Merr. • Begonia calderonii Standl. • Begonia calliantha Merr. & L.M.Perry • Begonia callosa L.Kollmann • Begonia calvescens (Brade ex L.B.Sm. & R.C.Sm.) E.L.Jacques & Mamede • Begonia campanensis Burt-Utley & Utley • Begonia camposportoana Brade • Begonia canarana Miq. • Begonia candollei Ziesenh. • Begonia capanemae Brade • Begonia caparaoensis E.L.Jacques & L.Kollmann • Begonia capensis L.f. • Begonia capillipes Gilg • Begonia capituliformis Irmsch. • Begonia caraguatatubensis Rubite, R.R., M. Irabagon, D. Palacio, Y.P.Ang, & R.Bustam. • Begonia caramoanensis Brade • Begonia cardiocarpa Liebm. • Begonia cardiophora Irmsch. • Begonia cariocana Brade ex L.B.Sm. & Wassh. • Begonia carletonii Standl. • Begonia carnosa Teijsm. & Binn. • Begonia carnosula Ridl. • Begonia carolineifolia Regel • Begonia carpinifolia Liebm. • Begonia carrieae Ziesenh. • Begonia casiguranensis Quisumb. & Merr. • Begonia castaneifolia Otto & Dietr. • Begonia castilloi Merr. • Begonia catharinensis Brade • Begonia cathayana Hemsl. • Begonia cathcartii Hook.f. & Thomson • Begonia caudata Merr. • Begonia cauliflora Sands • Begonia cavaleriei H.Lév. • Begonia cavallyensis A.Chev. • Begonia cavum Ziesenh. • Begonia cebadillensis Houghton ex L.B.Sm. & Schub. • Begonia cehengensis T.C.Ku • Begonia celebica Irmsch. • Begonia cerasiphylla L.B.Sm. & Wassh. • Begonia ceratocarpa S.H.Huang & Y.M.Shui • Begonia chaetocarpa Kuntze • Begonia chaiana Kiew & S.Julia • Begonia chiapensis Burt-Utley • Begonia chiasmogyna M.Hughes • Begonia chingii Irmsch. • Begonia chishuiensis T.C.Ku • Begonia chitoensis Tang S.Liu & M.J.Lai • Begonia chivatoa Ziesenh. • Begonia chlorandra Sands • Begonia chlorocarpa Irmsch. ex Sands • Begonia chlorolepis L.B.Sm. & B.G.Schub. • Begonia chloroneura P.Wilkie & Sands • Begonia chlorosticta Sands • Begonia chongii Sands • Begonia × chungii C.I Peng & S.M.Ku • Begonia chuniana C.Y.Wu • Begonia chuyunshanensis C.I Peng & Y.K.Chen • Begonia ciliifera Merr. • Begonia ciliobracteata Warb. • Begonia cincinnifera Irmsch. • Begonia cinnabarina Hook. • Begonia circularis C.I Peng & C.W.Lin • Begonia circumlobata Hance • Begonia cirrosa L.B.Sm. & Wassh. • Begonia cladocarpoides Humbert ex Aymonin & Bosser • Begonia cladotricha M.Hughes • Begonia clarkei Hook.f. • Begonia clavicaulis Irmsch. • Begonia clemensiae Merr. & L.M.Perry • Begonia cleopatrae Coyle • Begonia clypeifolia Hook.f. • Begonia coccinea Hook. • Begonia coelocentroides Y.M.Shui & Z.D.Wei • Begonia cognata Irmsch. • Begonia collaris Brade • Begonia collina Irmsch. • Begonia collisiae Merr. • Begonia colombiana L.B.Sm. & B.G.Schub. • Begonia colorata Warb. • Begonia comata Kuntze • Begonia comestibilis D.C.Thomas & Ardi • Begonia comorensis Warb. • Begonia compacticaulis Irmsch. • Begonia concanensis A.DC. • Begonia conchifolia A.Dietr. • Begonia concinna Schott • Begonia confinis L.B.Sm. & Wassh. • Begonia confusa L.B.Sm. & B.G.Schub. • Begonia congesta Ridl. • Begonia conipila Irmsch. ex Kiew • Begonia consanguinea Merr. • Begonia consobrina Irmsch. • Begonia contracta Warb. • Begonia convallariodora C.DC. • Begonia convolvulacea (Klotzsch) A.DC. • Begonia cooperi C.DC. • Begonia copelandii Merr. • Begonia copeyana C.DC. • Begonia coptidifolia H.G.Ye, F.G.Wang, Y.S.Ye & C.I Peng • Begonia coptidimontana C.Y.Wu • Begonia cordata Vell. • Begonia cordifolia (Wight) Thwaites • Begonia coriacea Hassk. • Begonia corneri Kiew • Begonia cornitepala Irmsch. • Begonia cornuta L.B.Sm. & B.G.Schub. • Begonia coronensis Merr. • Begonia corredorana C.DC. • Begonia corrugata Kiew & S.Julia • Begonia corzoensis Ziesenh. • Begonia coursii Humbert ex Aymonin • Begonia cowellii Nash • Begonia crassicaulis Lindl. • Begonia crateris Exell • Begonia crenata Dryand. • Begonia crinita Oliv. ex Hook.f. • Begonia crispipila Elmer • Begonia crispula Brade • Begonia cristata Warb. ex L.B.Sm. & Wassh. • Begonia cristobalensis Ziesenh. • Begonia croatii Burt-Utley • Begonia crocea C.I Peng • Begonia cryptocarpa L.B.Sm. & B.G.Schub. • Begonia crystallina Y.M.Shui & W.H.Chen • Begonia cuatrecasana L.B.Sm. & B.G.Schub. • Begonia cubensis Hassk. • Begonia cucphuongensis H.Q.Nguyen & Tebbitt • Begonia cucullata Willd. • Begonia cucurbitifolia C.Y.Wu • Begonia cuernavacensis Ziesenh. • Begonia cumingiana (Klotzsch) A.DC. • Begonia cumingii A.Gray • Begonia cuneatifolia Irmsch. • Begonia cupreata Henriq. • Begonia curtii L.B.Sm. & B.G.Schub. • Begonia curtisii Ridl. • Begonia curvicarpa S.M.Ku, C.I Peng & Yan Liu • Begonia cyanescens Sands • Begonia cyathophora Poepp. & Endl. • Begonia cylindrata L.B.Sm. & B.G.Schub. • Begonia cylindrica D.R.Liang & X.X.Chen • Begonia cymbalifera L.B.Sm. & B.G.Schub. ==D==

• Begonia darthvaderiana C.W.Lin & C.I Peng • Begonia davisii Burbridge • Begonia daweishanensis S.H.Huang & Y.M.Shui • Begonia daxinensis T.C.Ku • Begonia dealbata Liebm. • Begonia debaoensis C.I Peng, Yan Liu & S.M.Ku • Begonia debilis King • Begonia decandra Pav. ex A.DC. • Begonia decaryana Humbert ex Aymonin & Bosser • Begonia declinata Vell. • Begonia decora Stapf • Begonia delicata Gregório & J.A.S. Costa • Begonia delicatula Parish ex C.B.Clarke • Begonia demissa Craib • Begonia densifolia Irmsch. • Begonia densiretis Irmsch. • Begonia dentatiloba A.DC. • Begonia dentatobracteata C.Y.Wu • Begonia denticulata Kunth • Begonia depauperata Schott • Begonia descoleana L.B.Sm. & B.G.Schub. • Begonia dewildei Sosef • Begonia diadema Linden • Begonia dichotoma Jacq. • Begonia didyma D.C.Thomas & Ardi • Begonia dielsiana E.Pritz. ex Diels • Begonia dietrichiana Irmsch. • Begonia diffusa L.B.Sm. & B.G.Schub. • Begonia diffusiflora Merr. & L.M.Perry • Begonia digitata Raddi • Begonia digyna Irmsch. • Begonia dinhdui Craib • Begonia dioica Buch.-Ham. ex D.Don • Begonia dipetala Graham • Begonia discrepans Irmsch. • Begonia discreta Craib • Begonia divaricata Irmsch. • Begonia diversistipulata Irmsch. • Begonia diwolii Kiew • Begonia djamuensis Irmsch. • Begonia dodsonii L.B.Sm. & Wassh. • Begonia dolichotricha Merr. • Begonia domingensis A.DC. • Begonia donkelaariana Lem. • Begonia dosedlae Gilli • Begonia dregei Otto & Dietr. • Begonia dressleri Burt-Utley • Begonia droopiae Ardi • Begonia dryadis Irmsch. • Begonia duclouxii Gagnep. • Begonia dugandiana L.B.Sm. & B.G.Schub. • Begonia duncan-thomasii Sosef • Begonia dux C.B.Clarke • Begonia datii T.S.Hoang & C.W.Lin ==E==

• Begonia eberhardtii Gagnep. • Begonia ebolowensis Engl. • Begonia echinosepala Regel • Begonia eciliata O.E.Schulz • Begonia edanoi Merr. • Begonia edmundoi Brade • Begonia edulis H.Lév. • Begonia egregia N.E.Br. • Begonia eiromischa Ridl. • Begonia elaeagnifolia Hook.f. • Begonia elastotemmoides Hook. f. • Begonia elatostematoides Merr. • Begonia elatostemma Ridl. • Begonia elatostemmoides Hook.f. • Begonia elianeae Gregório & J.A.S. Costa • Begonia eliassii Warb. • Begonia elisabethae Kiew • Begonia elmeri Merr. • Begonia elnidoensis C.I Peng, Rubite & C.W.Lin • Begonia embera Jara & D.Franco • Begonia emeiensis C.M.Hu • Begonia eminii Warb. • Begonia engleri Gilg • Begonia epibaterium Mart. ex A.DC. • Begonia epipsila Brade • Begonia erecta Vell. • Begonia erectocarpa H.Q.Nguyen, Y.M.Shui & W.H.Chen • Begonia erectocaulis Sosef • Begonia erectotricha Sosef • Begonia erminea L'Hér. • Begonia erythrocarpa A.DC. • Begonia erythrogyna Sands • Begonia esculenta Merr. • Begonia espiritosantensis E.L.Jacques & Mamede • Begonia estrellensis C.DC. • Begonia euryphylla L.B.Sm. ex S.F.Sm. & Wassh. • Begonia eutricha Sands • Begonia everettii Merr. • Begonia exalata C.DC. • Begonia exigua Irmsch. • Begonia exilis O.E.Schulz • Begonia extensa L.B.Sm. & B.G.Schub. • Begonia extranea L.B.Sm. & B.G.Schub. ==F==

• Begonia fabulosa L.B.Sm. & Wassh. • Begonia fagifolia Fisch. • Begonia falcifolia Hook.f. • Begonia falciloba Liebm. • Begonia fangii Y.M.Shui & C.I Peng • Begonia fasciculata Jack • Begonia fasciculiflora Merr. • Begonia faustinoi Burt-Utley & Utley • Begonia fellereriana Irmsch. • Begonia fengii T.C.Ku • Begonia fenicis Merr. • Begonia fernaldiana L.B.Sm. & B.G.Schub. • Begonia fernandoi-costae Irmsch. • Begonia ferox C.-I Peng & Yan Liu • Begonia ferramica N.Hallé • Begonia ferruginea L.f. • Begonia festiva Craib • Begonia fibrosa C.B.Clarke • Begonia fiebrigii C.DC. • Begonia filibracteosa Irmsch. • Begonia filiformis Irmsch. • Begonia fimbriata Liebm. • Begonia fimbribracteata Y.M.Shui & W.H.Chen • Begonia fimbristipula Hance • Begonia fischeri Schrank • Begonia fissistyla Irmsch. • Begonia flacca Irmsch. • Begonia flaccidissima Kurz • Begonia flagellaris H.Hara • Begonia flaviflora H.Hara • Begonia flexicaulis Ridl. • Begonia flexula Ridl. • Begonia floccifera Bedd. • Begonia fluminensis Brade • Begonia foliosa Kunth • Begonia forbesii King • Begonia fordii Irmsch. • Begonia forgetiana Hemsl. • Begonia formosana (Hayata) Masam. • Begonia formosissima Sandwith • Begonia forrestii Irmsch. • Begonia fortunensis Burt-Utley & Utley • Begonia foveolata Irmsch. • Begonia foxworthyi Burkill ex Ridl. • Begonia francisiae Ziesenh. • Begonia francoisii Guillaumin • Begonia fraseri Kiew • Begonia friburgensis Brade • Begonia froebelii A.DC. • Begonia fruticella Ridl. • Begonia fruticosa (Klotzsch) A.DC. • Begonia fuchsiiflora (A.DC.) A.I.Baranov & F.A.Barkley • Begonia fuchsioides Hook. • Begonia fulgurata Peng, C.-I; Lin, C.-W.; Phutthai, T. • Begonia fulvosetulosa Brade • Begonia fulvovillosa Warb. • Begonia furfuracea Hook.f. • Begonia fusca Liebm. • Begonia fuscisetosa Sands • Begonia fuscocaulis Brade • Begonia fusialata Warb. • Begonia fusibulba C.DC. • Begonia fusicarpa Irmsch. ==G==

• Begonia gabonensis J.J.de Wilde • Begonia gagnepainiana Irmsch. • Begonia galea Moonlight & A.Fuentes • Begonia gamolepis L.B.Sm. & B.G.Schub. • Begonia garagarana C.DC. • Begonia gardneri A.DC. • Begonia garrettii Craib • Begonia garuvae L.B.Sm. & R.C.Sm. • Begonia gehrtii Irmsch. • Begonia gemella Warb. ex L.B.Sm. & Wassh. • Begonia geminiflora L.B.Sm. & Wassh. • Begonia gemmipara Hook.f. & Thomson • Begonia gemmirhiza H.Lév. • Begonia gentilii De Wild. • Begonia geoffrayi Gagnep. • Begonia georgei Coyle • Begonia geraniifolia Hook. • Begonia geranioides Hook.f. • Begonia gesnerioides L.B.Sm. & B.G.Schub. • Begonia gibbsiae Irmsch. ex Sands • Begonia gigabracteata Hong Z.Li & H.Ma • Begonia gigang Mazo & Rubite • Begonia giganticaulis D. Tian • Begonia gigaphylla Y.M.Shui & W.H.Chen • Begonia gilgiana Irmsch. • Begonia gironellae C.I Peng & Rubite & C.W.Lin • Begonia gitingensis Elmer • Begonia glaberrima Urb. & Ekman • Begonia glabra Aubl. • Begonia glabricaulis Irmsch. • Begonia glandulifera Griseb. • Begonia glandulosa A.DC. ex Hook. • Begonia glauca (Klotzsch) Ruiz & Pav. ex A.DC. • Begonia glaucoides Irmsch. • Begonia glechomifolia C.M.Hu • Begonia glutinosa Kiew • Begonia goegoensis N.E.Br. • Begonia goldingiana L.Kollmann & A.P.Fontana • Begonia gomantongensis Kiew • Begonia goniotis C.B.Clarke • Begonia gorgonea Tebbitt • Begonia gossweileri Irmsch. • Begonia goudotii A.DC. • Begonia gracilicyma Irmsch. ex M.Hughes • Begonia gracilior Burt-Utley & McVaugh • Begonia gracilipes Merr. • Begonia gracilis Kunth • Begonia gracillima A.DC. • Begonia grandipetala Irmsch. • Begonia grandis Dryand. • Begonia grantiana Craib • Begonia grata Geddes • Begonia griffithiana (A.DC.) Warb. • Begonia grisea A.DC. • Begonia groenewegensis K.Koch & Fint. • Begonia guaduensis Kunth • Begonia guangxiensis C.Y.Wu • Begonia guaniana H.Ma & Hong Z.Li • Begonia guatemalensis Van Houtte ex Galeotti • Begonia gueritziana Gibbs • Begonia guishanensis S.H.Huang & Y.M.Shui • Begonia gulinqingensis S.H.Huang & Y.M.Shui • Begonia gungshanensis C.Y.Wu • Begonia gunnerifolia Linden & André • Begonia gutierrezii Coyle • Begonia guttapila D.C.Thomas & Ardi • Begonia guttata Wall. ex A.DC. ==H==

• Begonia hahiepiana H.Q.Nguyen & Tebbitt • Begonia hainanensis Chun & F.Chun • Begonia halconensis Merr. • Begonia handelii Irmsch. • Begonia handroi Brade • Begonia haniffii Burkill • Begonia harlingii L.B.Sm. & Wassh. • Begonia harmandii Gagnep. • Begonia hasskarliana (Miq.) Miq. ex A.DC. • Begonia hassleri C.DC. • Begonia hatacoa Buch.-Ham. ex D.Don • Begonia havilandii Ridl. • Begonia hayamiana Nob.Tanaka • Begonia hayatae Gagnep. • Begonia hekensis D.C.Thomas • Begonia hekouensis S.H.Huang • Begonia heliostrophe Kiew • Begonia hemsleyana Hook.f. • Begonia henryi Hemsl. • Begonia heracleifolia Cham. & Schltdl. • Begonia herbacea Vell. • Begonia heringeri Brade • Begonia hernandioides Merr. • Begonia herrerae L.B.Sm. & B.G.Schub. • Begonia herteri Irmsch. • Begonia herveyana King • Begonia heterochroma Sosef • Begonia heteroclinis Miq. ex Koord. • Begonia heteropoda Baker • Begonia hexandra Irmsch. • Begonia hexaptera Sands • Begonia heydei C.DC. • Begonia hidirii Tawan, Ipor & Meekiong • Begonia × hiemalis Fotsch • Begonia hilariana A.DC. • Begonia hintoniana L.B.Sm. & B.G.Schub. • Begonia hirsuta Aubl. • Begonia hirsuticaulis Irmsch. • Begonia hirsutula Hook.f. • Begonia hirta (Klotzsch) L.B.Sm. & B.G.Schub. • Begonia hirtella Link • Begonia hispida Schott ex A.DC. • Begonia hispidissima Zipp. ex Koord. • Begonia hispidivillosa Ziesenh. • Begonia hitchcockii Irmsch. • Begonia hoehneana Irmsch. • Begonia holmnielseniana L.B.Sm. & Wassh. • Begonia holosericea Teijsm. & Binn. • Begonia holtonis A.DC. • Begonia holttumii Irmsch. • Begonia homonyma Steud. • Begonia hondurensis Burt-Utley & Utley • Begonia hongkongensis F.W.Xing • Begonia hookeriana Gardner • Begonia horsfieldii (Miq.) Miq. ex A.DC. • Begonia horticola Irmsch. • Begonia houttuynioides T.T.Yu • Begonia howii Merr. & Chun • Begonia huangii Y.M.Shui & W.H.Chen • Begonia hubertii Ziesenh. • Begonia huegelii (Klotzsch) A.DC. • Begonia hullettii Ridl. • Begonia humbertii Keraudren • Begonia humboldtiana Gibbs • Begonia humericola Sands • Begonia humifusa S.Julia & Kiew • Begonia humilicaulis Irmsch. • Begonia humilis Aiton • Begonia humillima L.B.Sm. & Wassh. • Begonia hydrocotylifolia Otto ex Hook. • Begonia hydrophylloides L.B.Sm. & B.G.Schub. • Begonia hymenocarpa C.Y.Wu • Begonia hymenophylla Gagnep. • Begonia hymenophylloides F.K.Ward ex L.B.Sm. & Wassh. ==I==

• Begonia ibitiocensis E.L.Jacques & Mamede • Begonia ignea (Klotzsch) Warsz. ex A.DC. • Begonia ignorata Irmsch. • Begonia ignota C.Y.Ling & Kiew • Begonia imbricata Sands • Begonia imitans Irmsch. • Begonia imperfecta Irmsch. • Begonia imperialis Lem. • Begonia incarnata Link & Otto • Begonia incerta Craib • Begonia incisa A.DC. • Begonia incisoserrata (Klotzsch) A.DC. • Begonia incondita Craib • Begonia inconspicua Brade • Begonia inculta Irmsch. • Begonia inostegia Stapf • Begonia insolita C.Y.Ling & S.Julia • Begonia insueta D.C.Thomas & Ardi • Begonia insularis Brade • Begonia insularum Irmsch. • Begonia integerrima Spreng. • Begonia integrifolia Dalzell • Begonia intermixta Irmsch. • Begonia inversa Irmsch. • Begonia involucrata Liebm. • Begonia ionophylla Irmsch. • Begonia iridescens Dunn • Begonia irmscheri L.B.Sm. & B.G.Schub. • Begonia isabelensis Quisumb. & Merr. • Begonia isalensis Humbert ex Aymonin & Bosser • Begonia isoptera Dryand. ex Sm. • Begonia isopterocarpa Irmsch. • Begonia isopteroidea King • Begonia itaguassuensis Brade • Begonia itapavensis Brade • Begonia itatiaiensis Brade • Begonia itatinensis Irmsch. ex Brade • Begonia iucunda Irmsch. ==J==

• Begonia jagorii Warb. • Begonia jaliscana Burt-Utley • Begonia jamaicensis A.DC. • Begonia jarmilae Halda • Begonia jayaensis Kiew • Begonia jenmanii Tutin • Begonia jiewhoei Kiew • Begonia jingxiensis D.Fang & Y.G.Wei • Begonia jocelinoi Brade • Begonia johnstonii Oliv. ex Hook.f. • Begonia josephi A.DC. • Begonia juliana Loefgr. ex Irmsch. • Begonia juliasangii Kiew • Begonia juninensis Irmsch. • Begonia juntasensis Kuntze • Begonia jureiensis S.J.Gomes da Silva & Mamede • Begonia jurgenneae Naive & Buenvenida ==K==

• Begonia kabaenensis D.C.Thomas & Ardi • Begonia kisuluana Büttner • Begonia klemmei Merr. • Begonia klossii Ridl. • Begonia knoopii Ziesenh. • Begonia koksunii Kiew • Begonia komoensis Irmsch. • Begonia konderreisiana L.B.Sm. & R.C.Sm. • Begonia koordersii Warb. ex L.B.Sm. & Wassh. • Begonia kortsiae Ziesenh. • Begonia kouytcheouensis Guillaumin • Begonia krystofii Halda • Begonia kuhlmannii Brade • Begonia kui C.I Peng • Begonia kumangiana S.Julia & C.Y.Ling • Begonia kunthiana Walp. • Begonia kurakura Tawan, Ipor & Meekiong ==L==

• Begonia labengkiensis Ardi & D.C.Thomas • Begonia labordei H.Lév. • Begonia laccophora Sands • Begonia lacera Merr. • Begonia lacerata Irmsch. • Begonia lachaoensis Ziesenh. • Begonia lacunosa Warb. • Begonia laevis Ridl. • Begonia lagunensis Elmer • Begonia lailana Kiew & Geri • Begonia lambii Kiew • Begonia laminariae Irmsch. • Begonia lancangensis S.H.Huang(vi) • Begonia lanceolata Vell. • Begonia lancifolia Merr. • Begonia lancilimba Merr. • Begonia langbianensis Baker f. • Begonia lansbergeae L.Linden & Rodigas • Begonia lanstyakii Brade • Begonia lanternaria Irmsch. • Begonia laporteifolia Warb. • Begonia larorum L.B.Sm. & Wassh. • Begonia laruei M.Hughes • Begonia lasioura D.C.Thomas & Ardi • Begonia latifolia S.Julia & C.Y.Ling • Begonia latistipula Merr. • Begonia lauterbachii Warb. • Begonia laxa L.B.Sm. & B.G.Schub. • Begonia layang-layang Kiew • Begonia lazat Kiew & Reza Azmi • Begonia lealii Brade • Begonia leandrii Humbert ex Aymonin & Bosser • Begonia leathermaniae O'Reilly & Kareg. • Begonia lecomtei Gagnep. • Begonia ledermannii Irmsch. • Begonia lehmannii (Irmsch.) L.B.Sm. & B.G.Schub. • Begonia leivae J.Sierra • Begonia lempuyangensis Girm. • Begonia lemurica Keraudren • Begonia lengguanii Kiew • Begonia leopoldinensis L.Kollmann • Begonia lepida Blume • Begonia lepidella Ridl. • Begonia leprosa Hance • Begonia leptantha C.B.Rob. • Begonia leptoptera H.Hara • Begonia leptostyla Irmsch. • Begonia letestui J.J.de Wilde • Begonia letouzeyi Sosef • Begonia leucantha Ridl. • Begonia leucochlora Sands • Begonia leuconeura Urb. & Ekman • Begonia leucosticta Warb. • Begonia leucotricha Sands • Begonia libanensis Urb. • Begonia libera (L.B.Sm. & B.G.Schub.) L.B.Sm. & B.G.Schub. • Begonia lichenora C.W.Lin & C.I Peng • Begonia lignescens Morton • Begonia limprichtii Irmsch. • Begonia lindleyana Walp. • Begonia lindmanii Brade • Begonia linearifolia J.Sierra • Begonia lineolata Brade • Begonia lipingensis Irmsch. • Begonia lipolepis L.B.Sm. • Begonia listada L.B.Sm. & Wassh. • Begonia lithophila C.Y.Wu • Begonia littleri Merr. • Begonia liuyanii C.I Peng, S.M.Ku & W.C.Leong • Begonia lobbii (Hassk.) A.DC. • Begonia loheri Merr. • Begonia lombokensis Girm. • Begonia lomensis Britton & Wilson • Begonia longanensis C.Y.Wu • Begonia longialata K.Y.Guan & D.K.Tian • Begonia longibarbata Brade • Begonia longibractea Merr. • Begonia longicarpa K.Y.Guan & D.K.Tian • Begonia longicaulis Ridl. • Begonia longifolia Blume • Begonia longimaculata Irmsch. • Begonia longinoda Merr. • Begonia longipedunculata Golding & Kareg. • Begonia longipetiolata Gilg • Begonia longirostris Benth. • Begonia longiscapa Warb. • Begonia longiseta Irmsch. • Begonia longistipula Merr. • Begonia longistyla Y.M.Shui & W.H.Chen • Begonia longivillosa A.DC. • Begonia lopensis Sosef & M.E.Leal • Begonia lophoptera Rolfe • Begonia loranthoides Hook.f. • Begonia lossiae L.Kollmann • Begonia louis-williamsii Burt-Utley • Begonia lowiana King • Begonia lubbersii E.Morren • Begonia lucidissima Golding & Kareg. • Begonia lucifuga Irmsch. • Begonia ludicra A.DC. • Begonia ludwigii Irmsch. • Begonia lugonis L.B.Sm. & Wassh. • Begonia lukuana Y.C.Liu & C.H.Ou • Begonia lunaris E.L.Jacques • Begonia lunatistyla Irmsch. • Begonia luochengensis S.M.Ku, C.I Peng & Yan Liu • Begonia lushaiensis C.E.C.Fisch. • Begonia lutea L.B.Sm. & B.G.Schub. • Begonia luxurians Scheidw. • Begonia luzhaiensis T.C.Ku • Begonia luzonensis Warb. • Begonia lyallii A.DC. • Begonia lyman-smithii Burt-Utley & Utley • Begonia lyniceorum Burt-Utley ==M==

• Begonia macduffieana L.B.Sm. & B.G.Schub. • Begonia macgregorii Merr. • Begonia machrisiana L.B.Sm. & B.G.Schub. • Begonia macintyreana M.Hughes • Begonia macra A.DC. • Begonia macrocarpa Warb. • Begonia macrotis Vis. • Begonia macrotoma Irmsch. • Begonia maculata Raddi • Begonia madaiensis Kiew • Begonia madecassa Keraudren • Begonia maestrensis Urb. • Begonia magdalenae L.B.Sm. & B.G.Schub. • Begonia magdalenensis Brade • Begonia majungaensis Guillaumin • Begonia makrinii C.V. Morton ex Burt-Utley & K. Utley • Begonia malabarica Lam. • Begonia malachosticta Sands • Begonia malindangensis Merr. • Begonia malipoensis S.H.Huang & Y.M.Shui • Begonia malmquistiana Irmsch. • Begonia mamutensis Sands • Begonia mananjebensis Humbert • Begonia mangorensis Humbert • Begonia manhaoensis S.H.Huang & Y.M.Shui • Begonia manicata Brongn. • Begonia manillensis A.DC. • Begonia mannii Hook.f. • Begonia manuselaensis, endemic of Manusela National Park on karst lowland, Ceram Island • Begonia maracayuensis Parodi • Begonia mariae L.B.Sm. • Begonia mariannensis Wassh. & McClellan • Begonia mariti Burt-Utley • Begonia marnieri Keraudren • Begonia marojejyensis Humbert • Begonia martabanica A.DC. • Begonia masarangensis Irmsch. • Begonia mashanica D.Fang & D.H.Qin • Begonia masoalaensis M.Hughes • Begonia masoniana Irmsch. ex Ziesenh. • Begonia matogrossensis L.B.Sm. ex S.F.Sm. & Wassh. • Begonia mattos-silvae L.B.Sm. ex S.F.Sm. & Wassh. • Begonia matudae Burt-Utley & Utley • Begonia maurandiae A.DC. • Begonia maxwelliana King • Begonia mayasiana L.B.Sm. & B.G.Schub. • Begonia maynensis A.DC. • Begonia mazae Ziesenh. • Begonia mbangaensis Sosef • Begonia mearnsii Merr. • Begonia media Merr. & L.M.Perry • Begonia medusae Linden • Begonia megacarpa Merr. • Begonia megalantha Merr. • Begonia megalophyllaria C.Y.Wu • Begonia megaptera A.DC. • Begonia mekonggensis Girm. & Wiriad. • Begonia melanobullata C.-I Peng & C. W. Lin. • Begonia melikopia Kiew • Begonia membranacea A.DC. • Begonia menchunaensis P.Gyeltshen & M.Hughes • Begonia mendumae M.Hughes • Begonia menglianensis Y.Y.Qian • Begonia mengtzeana Irmsch. • Begonia mentiens S.Julia & Kiew • Begonia meridensis A.DC. • Begonia meriraiensis S.Julia & Kiew • Begonia merrittii Merr. • Begonia mexicana G. Karst. ex Fotsch • Begonia meyeri-johannis Engl. • Begonia meysseliana Linden • Begonia michoacana L.B.Sm. & B.G.Schub. • Begonia micranthera Griseb. • Begonia microcarpa A.DC. • Begonia microptera Hook.f. • Begonia microsperma Warb. • Begonia mildbraedii Gilg • Begonia militaris L.B.Sm. & B.G.Schub. • Begonia mindanaensis Warb. • Begonia mindorensis Merr. • Begonia minicarpa H.Hara • Begonia minjemensis Irmsch. • Begonia minor Jacq. • Begonia minuta Sosef • Begonia minutiflora Sands • Begonia minutifolia N.Hallé • Begonia miranda Irmsch. • Begonia modestiflora Kurz • Begonia molinana Burt-Utley • Begonia molleri (C.DC.) Warb. • Begonia mollicaulis Irmsch. • Begonia mollis A.DC. • Begonia monadelpha (Klotzsch) Ruiz & Pav. ex A.DC. • Begonia monantha Warb. • Begonia monicae Aymonin & Bosser • Begonia monophylla Pav. ex A.DC. • Begonia montana (A.DC.) Warb. • Begonia montis-bismarckii Warb. • Begonia montis-elephantis J.J.de Wilde • Begonia mooreana (Irmsch.) L.L.Forrest & Hollingsw. • Begonia morelii Irmsch. ex Kareg. • Begonia morifolia T.T.Yu • Begonia morii Burt-Utley • Begonia morrisiorum Rekha Morris & P.D.McMillan • Begonia morsei Irmsch. • Begonia moszkowskii Irmsch. • Begonia moysesii Brade • Begonia mucronistipula C.DC. • Begonia multangula Blume • Begonia multibracteata Girm. • Begonia multidentata Warb. • Begonia multijugata M.Hughes • Begonia multinervia Liebm. • Begonia multistaminea Burt-Utley • Begonia muricata Blume • Begonia murina Craib • Begonia murudensis Merr. • Begonia mystacina L.B.Sm. & Wassh. • Begonia mysteriosa L.Kollmann & A.P.Fontana • Begonia masilig J.Collantes, C.J.P.Dela Cruz & Y.P.Ang, ==N==

• Begonia naemma Y.P.Ang, Aumentado & Magtoto • Begonia nagaensis Kiew & S.Julia • Begonia nana L'Hér. • Begonia nantoensis M.J.Lai & N.J.Chung • Begonia napoensis L.B.Sm. & Wassh. • Begonia naumoniensis Irmsch. • Begonia neglecta A.DC. • Begonia negrosensis Elmer • Begonia nelumbiifolia Cham. & Schltdl. • Begonia nemoralis L.B.Sm. & B.G.Schub. • Begonia neocomensium A.DC. • Begonia neoharlingii L.B.Sm. & Wassh. • Begonia neoperrieri Humbert ex Aymonin & Bosser • Begonia neopurpurea L.B.Sm. & Wassh. • Begonia nepalensis (A.DC.) Warb. • Begonia nevadensis Dorr • Begonia niahensis K.G.Pearce • Begonia nigritarum Steud. • Begonia ningmingensis D.Fang, Y.G.Wei & C.I Peng • Begonia nivea Parish ex Kurz • Begonia nobmanniae D.C.Thomas & Ardi • Begonia noraaunorae Blasco, Tandang, Alejandro & Rubite • Begonia nossibea A.DC. • Begonia notata Craib • Begonia notiophila Urb. • Begonia novalombardiensis L.Kollmann • Begonia novogranatae A.DC. • Begonia novoguineensis Merr. & L.M.Perry • Begonia nubicola L.B.Sm. & B.G.Schub. • Begonia nuda Irmsch. • Begonia nummulariifolia Putz. • Begonia nurii Irmsch. • Begonia nuwakotensis S.Rajbh. • Begonia nyassensis Irmsch. • Begonia nymphaeifolia T.T.Yu ==O==

• Begonia oaxacana A.DC. • Begonia oblanceolata Rusby • Begonia obliqua L. • Begonia obliquifolia S.H.Huang & Y.M.Shui • Begonia oblongata Merr. • Begonia oblongifolia Stapf • Begonia obovatistipula C.DC. • Begonia obovoidea Craib • Begonia obscura Brade • Begonia obsolescens Irmsch. • Begonia obtecticaulis Irmsch. • Begonia obtusifolia Merr. • Begonia obversa C.B.Clarke • Begonia occhionii Brade • Begonia octopetala L'Hér. • Begonia odeteiantha Handro • Begonia oellgaardii L.B.Sm. & Wassh. • Begonia olbia Kerch. • Begonia oligandra Merr. & L.M.Perry • Begonia oligantha Merr. • Begonia oligophylla Blume ex Miq. • Begonia oliveri L.B.Sm. & B.G.Schub. • Begonia olsoniae L.B.Sm. & B.G.Schub. • Begonia ophiogyna L.B.Sm. & B.G.Schub. • Begonia opuliflora Putz. • Begonia orbiculata Jack • Begonia orchidiflora Griff. • Begonia oreodoxa Chun & F.Chun • Begonia oreophila Kiew • Begonia organensis Brade • Begonia ornithocarpa Standl. • Begonia ornithophylla Irmsch. • Begonia otophora Merr. & L.M.Perry • Begonia otophylla L.B.Sm. & B.G.Schub. • Begonia ovatifolia A.DC. • Begonia oxyanthera Warb. • Begonia oxyloba Welw. ex Hook.f. • Begonia oxysperma A.DC. • Begonia oxyura Merr. & L.M.Perry • Begonia ozotothrix D.C.Thomas ==P==

• Begonia pachyrhachis L.B.Sm. & Wassh. • Begonia padangensis Irmsch. • Begonia paganuccii Gregório & J.A.S. Costa • Begonia palawanensis Merr. • Begonia paleacea Kurz • Begonia paleata A.DC. • Begonia palmata D.Don • Begonia palmeri S.Watson • Begonia panayensis Merr. • Begonia panchtharensis S.Rajbh. • Begonia paniculata Parodi • Begonia pantherina Putz. ex Linden • Begonia paoana Kiew & S.Julia • Begonia papuana Warb. • Begonia papyraptera Sands • Begonia paraguayensis Parodi • Begonia paranaensis Brade • Begonia parcifolia C.DC. • Begonia parilis Irmsch. • Begonia parishii C.B.Clarke • Begonia parodiana L.B.Sm. & B.G.Schub. • Begonia parva Merr. • Begonia parviflora Poepp. & Endl. • Begonia parvifolia Schott • Begonia parvilimba Merr. • Begonia parvistipulata Irmsch. • Begonia parvula H.Lév. & Vaniot • Begonia parvuliflora A.DC. • Begonia pasamanensis M.Hughes • Begonia pastoensis A.DC. • Begonia paucilobata C.Y.Wu • Begonia paulensis A.DC. • Begonia paupercula King • Begonia pavonina Ridl. • Begonia payung S.Julia & Kiew • Begonia pearcei Hook.f. • Begonia pectennervia L.B.Sm. & Wassh. • Begonia pedata Liebm. • Begonia pedatifida H.Lév. • Begonia pediophylla Merr. & L.M.Perry • Begonia pedunculosa Wall. • Begonia peekelii Irmsch. • Begonia peii C.Y.Wu • Begonia pelargoniiflora J.J.de Wilde & J.C.Arends • Begonia peltata Otto & Dietr. • Begonia peltatifolia Li • Begonia peltifolia Schott • Begonia peltigera Irmsch. • Begonia pendula Ridl. • Begonia pengii S.M.Ku & Yan Liu • Begonia pennellii L.B.Sm. & B.G.Schub. • Begonia penrissenensis Kiew & S.Julia • Begonia pensilis L.B.Sm. & Wassh. • Begonia pentaphragmifolia Ridl. • Begonia pentaphylla Walp. • Begonia peperomioides Hook.f. • Begonia perakensis King • Begonia per-dusenii Brade • Begonia peristegia Stapf • Begonia pernambucensis Brade • Begonia perpusilla A.DC. • Begonia perrieri Bois • Begonia perryae L.B.Sm. & Wassh. • Begonia peruibensis Handro • Begonia peruviana A.DC. • Begonia petasitifolia Brade • Begonia petrensis C.Y.Ling & S.Julia • Begonia pseudodryadis C.Y.Wu • Begonia pseudoglauca Irmsch. • Begonia pseudolateralis Warb. • Begonia pseudoleprosa C.I Peng, Yan Liu & S.M.Ku • Begonia pseudolubbersii Brade • Begonia pseudomuricata Girm. • Begonia pseudoviola Gilg • Begonia psilophylla Irmsch. • Begonia pteridiformis Phutthai • Begonia pubescens Ridl. • Begonia pudica L.B.Sm. & B.G.Schub. • Begonia pulchella Raddi • Begonia pulcherrima Sosef • Begonia pulchra (Ridl.) L.L.Forrest & Hollingsw. • Begonia pululahuana C.DC. • Begonia pulvinifera C.I Peng & Yan Liu • Begonia pumila Craib • Begonia pumilio Irmsch. • Begonia punbatuensis Kiew • Begonia punchak Kiew & S.Julia • Begonia purdieana A.DC. • Begonia purpureofolia S.H.Huang & Y.M.Shui • Begonia purpusii Houghton ex Ziesenh. • Begonia puspitae Ardi • Begonia pustulata Liebm. • Begonia puttii Craib • Begonia pycnantha Urb. & Ekman • Begonia pygmaea Irmsch. • Begonia pyrrha Ridl. ==Q==

• Begonia quadrialata Warb. • Begonia quaternata L.B.Sm. & B.G.Schub. • Begonia quercifolia A.DC. • Begonia quinquealata C.I Peng & Rubite & C.W.Lin ==R==

• Begonia rabilii Craib • Begonia racemiflora Ortgies ex C.Chev. • Begonia racemosa Jack • Begonia rachmatii Tebbitt • Begonia radicans Vell. • Begonia rafael-torresii Burt-Utley • Begonia raimondii Irmsch. • Begonia rajah Ridl. • Begonia ramentacea Paxton • Begonia ramosii Merr. • Begonia randiana Merr. & L.M.Perry • Begonia rantemarioensis D.C.Thomas & Ardi • Begonia ravenii C.I.Peng & Y.K.Chen • Begonia razafinjohanyi Aymonin & Bosser • Begonia reflexisquamosa C.Y.Wu • Begonia reginula Kiew • Begonia × reichenheimii G. Bartsch • Begonia relicta L.B.Sm. & B.G.Schub. • Begonia renifolia Irmsch. • Begonia reniformis Dryand. • Begonia repens Lam. • Begonia repenticaulis Irmsch. • Begonia retinervia D.Fang, D.H.Qin & C.I Peng • Begonia retusa O.E.Schulz • Begonia rex Putz. • Begonia rheifolia Irmsch. • Begonia rhizocaulis (Klotzsch) A.DC. • Begonia rhodantha Ridl. • Begonia rhodochaeta S.Julia & Kiew • Begonia rhodochlamys L.B.Sm. & B.G.Schub. • Begonia rhodophylla C.Y.Wu • Begonia rhoephila Ridl. • Begonia rhyacophila Kiew • Begonia rhynchocarpa Y.M.Shui & W.H.Chen • Begonia rieckei Warb. • Begonia riedelii A.DC. • Begonia rigida (Klotzsch) Regel ex A.DC. • Begonia rimarum Craib • Begonia riparia Irmsch. • Begonia rizalensis Merr. • Begonia robinsonii Ridl. • Begonia robusta Blume • Begonia rockii Irmsch. • Begonia roezlii Regel • Begonia rongjiangensis T.C.Ku • Begonia rosacea Putz. • Begonia roseibractea Ziesenh. • Begonia rossmanniae A.DC. • Begonia rostrata Welw. ex Hook.f. • Begonia rotunda Vell. • Begonia rotundifolia Lam. • Begonia rotundilimba S.H.Huang & Y.M.Shui • Begonia roxburghii A.DC. • Begonia rubella Buch.-Ham. ex D.Don • Begonia rubellina L.H. Bailey • Begonia rubida Ridl. • Begonia rubiginosipes Irmsch. • Begonia rubinea Hong Z.Li & H.Ma • Begonia rubiteae M.Hughes • Begonia ruboides C.M.Hu • Begonia rubricaulis Hook. • Begonia rubriflora L.Kollmann • Begonia rubrifolia Merr. • Begonia rubrobracteolata S.Julia & C.Y.Ling • Begonia rubromarginata Gilg • Begonia rubronervata De Wild. • Begonia rubropilosa A.DC. • Begonia rubropunctata S.H.Huang & Y.M.Shui • Begonia rubrotincta L.B.Sm. & B.G.Schub. • Begonia rufa Thunb. • Begonia rufipila Merr. • Begonia rufosericea Toledo • Begonia ruhlandiana Irmsch. • Begonia rumpiensis Kupicha • Begonia rupium Irmsch. • Begonia ruschii L.Kollmann • Begonia russelliana L.B.Sm. ex S.F.Sm. & Wassh. • Begonia rutilans (Klotzsch) A.DC. • Begonia rwandensis J.C.Arends ==S==

• Begonia sabahensis Kiew & J.H.Tan • Begonia salaziensis (Gaudich.) Warb. • Begonia salesopolensis S.J.Gomes da Silva & Mamede • Begonia salisburyana Irmsch. • Begonia salomonensis Merr. & L.M.Perry • Begonia samarensis Merr. • Begonia sambiranensis Humbert ex Aymonin & Bosser • Begonia samhaensis M.Hughes & A.G.Mill. • Begonia sandalifolia C.B.Clarke • Begonia sandtii Houghton ex Ziesenh. • Begonia sanguinea Raddi • Begonia sanguineopilosa D.C.Thomas & Ardi • Begonia santarosensis Kuntze • Begonia santos-limae Brade • Begonia sarangica Kiew & S.Julia • Begonia sarasinorum Irmsch. • Begonia sarawakensis Ridl. • Begonia sarcocarpa Ridl. • Begonia sarmentosa L.B.Sm. & Wassh. • Begonia sartorii Liebm. • Begonia satrapis C.B.Clarke • Begonia saxicola A.DC. • Begonia saxifraga A.DC. • Begonia saxifragifolia Craib • Begonia scabrida A.DC. • Begonia scapigera Hook.f. • Begonia schaeferi Engl. • Begonia scharffiana Regel • Begonia schliebenii Irmsch. • Begonia schlumbergeriana Lem. • Begonia schulziana Urb. & Ekman • Begonia sciadiophora L.B.Sm. & B.G.Schub. • Begonia sciaphila Gilg ex Engl. • Begonia scintillans Dunn • Begonia scitifolia Irmsch. • Begonia scortechinii King • Begonia scottii Tebbitt • Begonia scutifolia Hook.f. • Begonia scutulum Hook.f. • Begonia secunda L.B.Sm. & Wassh. • Begonia seemanniana A.DC. • Begonia segerakensis C.Y.Ling & Kiew • Begonia stipulacea Willd. • Begonia stolzii Irmsch. • Begonia strachwitzii Warb. ex Irmsch. • Begonia strictinervis Irmsch. • Begonia strictipetiolaris Irmsch. • Begonia strigillosa A.Dietr. • Begonia strigosa (Warb.) L.L.Forrest & Hollingsw. • Begonia strigulosa (Hassk.) A.DC. • Begonia subacida Irmsch. • Begonia subalpestris A.Chev. • Begonia subcaudata Rusby ex L.B.Sm. & Schub. • Begonia subciliata A.DC. • Begonia subcoriacea C.I Peng, Yan Liu & S.M.Ku • Begonia subcostata Rusby • Begonia subcyclophylla Irmsch. • Begonia subelliptica Merr. & L.M.Perry • Begonia subhowii S.H.Huang • Begonia subisensis K.G.Pearce • Begonia sublobata Jack • Begonia sublongipes Y.M.Shui • Begonia subnummularifolia Merr. • Begonia suboblata D.Fang & D.H.Qin • Begonia suborbiculata Merr. • Begonia subpeltata Wight • Begonia subperfoliata Parish ex Kurz • Begonia subprostrata Merr. • Begonia subscutata De Wild. • Begonia subspinulosa Irmsch. • Begonia subtruncata Merr. • Begonia subvillosa Klotzsch • Begonia subviridis Craib • Begonia sudjanae C.-A.Jansson • Begonia suffrutescens Merr. & L.M.Perry • Begonia summoglabra T.T.Yu • Begonia sunorchis C.Chev. • Begonia suprafastigiata Irmsch. • Begonia surculigera Kurz • Begonia susaniae Sosef • Begonia sutherlandii Hook.f. • Begonia sychnantha L.B.Sm. & Wassh. • Begonia sylvatica A.DC. • Begonia sylvestris A.DC. • Begonia symbeccarii L.L.Forrest & Hollingsw. • Begonia symbracteosa L.L.Forrest & Hollingsw. • Begonia symgeraniifolia L.L.Forrest & Hollingsw. • Begonia symhirta L.L.Forrest & Hollingsw. • Begonia sympapuana L.L.Forrest & Hollingsw. • Begonia symparvifolia L.L.Forrest & Hollingsw. • Begonia sympodialis Irmsch. • Begonia symsanguinea L.L.Forrest & Hollingsw. ==T==

• Begonia tabonensis C.I Peng & Rubite & C.W.Lin • Begonia tacana Ziesenh. • Begonia tafaensis Merr. & L.M.Perry • Begonia tafiensis Lillo • Begonia × taipeiensis C.I.Peng • Begonia taiwaniana Hayata • Begonia taliensis Gagnep. • Begonia taligera S.Rajbh. • Begonia tambelanensis (Irmsch.) Kiew • Begonia tampinica Burkill ex Irmsch. • Begonia tanala Humbert • Begonia tanauanensis Tandang, Bucay, K.F.Chung • Begonia tapatia Burt-Utley & McVaugh • Begonia tarokoensis M.J.Lai • Begonia tatoniana R.Wilczek • Begonia tawaensis Merr. • Begonia tayabensis Merr. • Begonia tayloriana Irmsch. • Begonia temburongensis Sands • Begonia tenera Dryand. • Begonia tenericaulis Ridl. • Begonia tengchiana C.I Peng & Y.K.Chen • Begonia tenuibracteata C.I Peng & Rubite & C.W.Lin • Begonia tenuicaulis A.DC. • Begonia tenuifolia Dryand. • Begonia tessaricarpa C.B.Clarke • Begonia tetralobata Y.M.Shui • Begonia tetrandra Irmsch. • Begonia teuscheri Linden ex André • Begonia teysmanniana (Miq.) Miq. ex B.D.Jacks. • Begonia thaipingensis King • Begonia thelmae L.B.Sm. & Wassh. • Begonia thiemei C.DC. • Begonia thomeana C.DC. • Begonia thomsonii A.DC. • Begonia thyrsoidea Irmsch. • Begonia tigrina Kiew • Begonia tiliifolia C.DC. • Begonia timorensis (Miq.) Golding & Kareg. • Begonia tiomanensis Ridl. • Begonia toledana L.B.Sm. & B.G.Schub. • Begonia toledoana Handro • Begonia tomentosa Schott • Begonia tominana Golding • Begonia tonduzii C.DC. ex T.Durand & Pittier • Begonia tonkinensis Gagnep. • Begonia torajana D.C.Thomas & Ardi • Begonia torricellensis Warb. • Begonia trianae (A.DC.) Warb. • Begonia tribenensis C.R.Rao • Begonia tribracteata Irmsch. • Begonia trichocarpa Dalzell • Begonia trichochila Warb. • Begonia trichopoda (Miq.) Miq. • Begonia trichosepala C.DC. ex Donn.Sm. • Begonia tricuspidata C.B.Clarke • Begonia trigonocarpa Ridl. • Begonia triradiata C.B.Clarke • Begonia triramosa Irmsch. • Begonia trispathulata (A.DC.) Warb. • Begonia tropaeolifolia A.DC. • Begonia trujillensis L.B.Sm. • Begonia trullifolia Guillaumin • Begonia truncatiloba Irmsch. • Begonia truncicola Sodiro ex C.DC. • Begonia tsaii Irmsch. • Begonia tsaratananensis Aymonin & Bosser • Begonia tsimihety Humbert • Begonia tsoongii C.Y.Wu • Begonia tuberculosa Girm. • Begonia tumbezensis Irmsch. • Begonia turbinata Ridl. • Begonia turrialbae Burt-Utley & Utley ==U==