Rosularia was originally described by
De Candolle (1828) as a section of the genus
Umbilicus, and raised to the level of genus by
Stapf (1923) Thus the genus bears the
botanical authority (
DC)
Stapf of both authors. In 1930,
Berger included it in family
Crassulaceae subfamily Sedoideae, as one of 9 genera. He further divided it into two sections (Eu-Rosularia and Ornithogalopsis) and further series, transferring some species of
Sedum to it. Since then, a number of species have been transferred in and out of the genus, including
S. sempervivoides, which at one stage was placed in
Prometheum. The genus
Sempervivella was submerged in
Rosularia. The genus is now placed within the Leucosedum clade, tribe Sedeae, subfamily
Sempervivoideae of the
Crassulaceae, but is embedded within
Sedum paraphyletically.
Species Rosularia contains about 28 species. The following species and subspecies were accepted by
The Plant List (2013): •
Rosularia adenotricha (Wall. ex Edgew.) C.-A. Jansson •
Rosularia adenotricha subsp. viguieri (Raym.-Hamet) C.-A. Jansson •
Rosularia aizoon (Fenzl) A. Berger •
Rosularia alpestris (Kar. & Kir.) Boriss •
Rosularia alpestris subsp. marnieri(Raymond-Hamet ex H. Ohba) Eggli •
Rosularia blepharophylla Eggli •
Rosularia borissovae U.P.Pratov •
Rosularia chrysantha (Boiss. & Heldr. ex Boiss.) Takhtajan •
Rosularia cypria (Holmboe) Meikle •
Rosularia davisii Muirhead •
Rosularia elymaitica (Boiss. & Hausskn. ex Boiss.) A. Berger •
Rosularia glabra (Regel & Winkl.) A.Berger •
Rosularia globulariifolia (Fenzl) A. Berger •
Rosularia haussknechtii (Boiss. & Reut. ex Boiss.) A. Berger •
Rosularia jaccardiana (Maire & Wilczek) H. Ohba •
Rosularia libanotica (L.) Sam. •
Rosularia lineata (Boiss.) A.Berger •
Rosularia lutea Boriss. •
Rosularia pallida (Schott & Kotschy) Stapf •
Rosularia pallidiflora (Holmboe) Meikle •
Rosularia persica (Boiss.) A. Berger •
Rosularia pilosa (Fischer ex M. Bieberstein) Boriss. •
Rosularia platyphylla (Schrenk) A.Berger •
Rosularia radicosa (Boiss. & Hohen.) Eggli •
Rosularia rechingeri C.-A. Jansson •
Rosularia rosulata (Edgew.) H. Ohba •
Rosularia schischkinii Boriss. •
Rosularia sedoides (Decne.) H. Ohba •
Rosularia semiensis (J. Gay ex A. Richard) H. Ohba •
Rosularia sempervivoides (Fischer ex M. Bieberstein) Boriss. •
Rosularia serpentinica (Werderm.) Muirhead •
Rosularia serrata (L.) A.Berger •
Rosularia subspicata (Freyn) Boriss. ==Distribution and habitat==