Helianthus is derived from Greek
hēlios "sun" and
ánthos "flower", because its round flower heads in combination with the
ligules look like the
Sun. •
Helianthus agrestis Pollard – southeastern sunflower –
Florida,
Georgia •
Helianthus ambiguus Britt. –
Wisconsin,
Michigan,
Ohio,
New York •
Helianthus angustifolius L. – swamp sunflower –
Texas, northern
Florida to southern
Illinois,
Long Island, New York •
Helianthus annuus L. – common sunflower,
girasol – most of United States + Canada •
Helianthus anomalus S.F.Blake – western sunflower –
Nevada,
Utah,
Arizona,
New Mexico •
Helianthus argophyllus Torr. & A.Gray – silverleaf sunflower –
Texas,
North Carolina,
Florida •
Helianthus arizonensis R.C.Jacks. – Arizona sunflower – Arizona, New Mexico •
Helianthus atrorubens L. – purpledisk sunflower –
Louisiana,
Alabama, Georgia, Florida,
South Carolina, North Carolina,
Tennessee,
Kentucky,
Virginia •
Helianthus bolanderi A.Gray – serpentine sunflower –
California,
Oregon •
Helianthus × brevifolius E.Watson – Texas,
Indiana, Ohio •
Helianthus californicus DC. – California sunflower –
California •
Helianthus carnosus Small – lakeside sunflower – Florida •
Helianthus ciliaris DC. – Texas blueweed – United States:
Washington, California, Arizona, New Mexico, Nevada, Utah, Texas,
Oklahoma,
Colorado,
Kansas, Illinois; Mexico:
Tamaulipas,
Coahuila,
Chihuahua,
Sonora •
Helianthus cinereus Small –
Missouri, Kentucky, Indiana, Ohio •
Helianthus coloradensis Cockerell – prairie sunflower – Colorado, New Mexico •
Helianthus cusickii A.Gray – Cusick's sunflower – Washington, Oregon, California,
Idaho, Nevada •
Helianthus debilis Nutt. – cucumberleaf sunflower – Texas to
Maine,
Mississippi •
Helianthus decapetalus L. – thinleaf sunflower – eastern United States;
Ontario,
Quebec •
Helianthus deserticola Heiser – desert sunflower –
Arizona,
Nevada,
Utah •
Helianthus devernii T.M.Draper – red rock sunflower –
Nevada • †
Helianthus diffusus Sims – Missouri† •
Helianthus dissectifolius R.C.Jacks. –
Chihuahua,
Durango •
Helianthus divaricatus L. – woodland sunflower or rough woodland sunflower – eastern United States; Ontario, Quebec •
Helianthus × divariserratus R.W.Long Michigan, Indiana, Ohio,
Connecticut •
Helianthus × doronicoides Lam. – Texas,
Oklahoma,
Arkansas, Missouri,
Iowa,
Minnesota, Illinois, Kentucky, Indiana, Ohio,
Pennsylvania, Michigan,
New Jersey, Virginia •
Helianthus eggertii Small – Alabama, Kentucky, and Tennessee •
Helianthus exilis A.Gray – California •
Helianthus floridanus A.Gray ex Chapm. – Florida sunflower – Louisiana, Alabama, Georgia, Florida, South Carolina, North Carolina •
Helianthus giganteus L. – giant sunflower – eastern United States; most of Canada •
Helianthus glaucophyllus D.M.Sm – whiteleaf sunflower – Tennessee, South Carolina, North Carolina •
Helianthus × glaucus Small – scattered locales in southeastern United States •
Helianthus gracilentus A.Gray – slender sunflower – California •
Helianthus grosseserratus M.Martens – sawtooth sunflower –
Great Plains,
Great Lakes, Ontario, Quebec •
Helianthus heterophyllus Nutt. – variableleaf sunflower – Coastal plain of Texas to North Carolina •
Helianthus hirsutus Raf. – hairy sunflower – central and eastern United States, Ontario •
Helianthus × intermedius R.W.Long – intermediate sunflower – scattered locales in United States •
Helianthus laciniatus A.Gray – alkali sunflower – United States: Arizona, New Mexico, Texas; Mexico:
Coahuila,
Nuevo León •
Helianthus × laetiflorus Pers. – cheerful sunflower, mountain sunflower – scattered in eastern and central United States; Canada •
Helianthus laevigatus Torr. & A.Gray – smooth sunflower – Georgia, South Carolina, North Carolina, Virginia, Maryland,
West Virginia •
Helianthus lenticularis Douglas ex Lindl. Minnesota to North Dakota, Idaho, Missouri, Texas •
Helianthus longifolius Pursh – longleaf sunflower – Alabama, Georgia, North Carolina •
Helianthus × luxurians (E.Watson) E.Watson –
Great Lakes region •
Helianthus maximiliani Schrad. – Maximillian sunflower – much of United States and Canada •
Helianthus membranifolius Poir. – Cayenne Island
French Guiana •
Helianthus microcephalus Torr. & A.Gray – eastern United States •
Helianthus mollis Lam. – downy sunflower, ashy sunflower – Ontario, eastern and central United States •
Helianthus multiflorus L. – manyflower sunflower – Ohio •
Helianthus navarri Phil. –
Chile •
Helianthus neglectus Heiser – neglected sunflower – New Mexico, Texas •
Helianthus niveus (Benth.) Brandegee – showy sunflower – United States: California,
Arizona; Mexico:
Baja California,
Baja California Sur •
Helianthus nuttallii Torr. & A.Gray – western and central United States, Canada •
Helianthus occidentalis Riddell – fewleaf sunflower, western sunflower – Great Lakes region, scattered in southeastern United States •
Helianthus × orgyaloides Cockerell – Colorado, Kansas •
Helianthus paradoxus Heiser – paradox sunflower – Utah, New Mexico, Texas •
Helianthus pauciflorus Nutt. – stiff sunflower – central United States, Canada •
Helianthus petiolaris Nutt. – prairie sunflower, lesser sunflower – much of United States, Canada •
Helianthus porteri (A.Gray) Pruski – Porter's sunflower – Alabama, Georgia, South Carolina, North Carolina •
Helianthus praecox Engelm. & A.Gray Texas sunflower – Texas • †
Helianthus praetermissus – New Mexico sunflower – New Mexico† •
Helianthus pumilus Nutt. – little sunflower – Colorado,
Wyoming,
Montana, Utah, Idaho •
Helianthus radula (Pursh) Torr. & A.Gray – rayless sunflower – Louisiana, Mississippi, Alabama, Georgia, South Carolina, Florida •
Helianthus resinosus Small – resindot sunflower – Mississippi, Alabama, Georgia, South Carolina, North Carolina, Florida •
Helianthus salicifolius A.Dietr. – willowleaf sunflower – Texas, Oklahoma, Kansas, Missouri, Illinois, Wisconsin, Ohio, Pennsylvania, New York •
Helianthus sarmentosus Rich. – French Guiana •
Helianthus scaberrimus Elliott – South Carolina •
Helianthus schweinitzii Torr. & A.Gray – Schweinitz's sunflower – South Carolina, North Carolina •
Helianthus silphioides Nutt. – rosinweed sunflower –
Lower Mississippi Valley •
Helianthus simulans E.Watson – muck sunflower – southeastern United States •
Helianthus smithii Heiser – Smith's sunflower – Alabama, Georgia, Tennessee •
Helianthus speciosus Hook. –
Michoacán •
Helianthus strumosus L. – eastern and central United States, Canada •
Helianthus subcanescens (A.Gray) E.Watson –
Manitoba, north-central United States •
Helianthus subtuberosus Bourg. •
Helianthus tuberosus L. – Jerusalem artichoke, sunchoke, earth-apple, topinambur – much of United States and Canada •
Helianthus verticillatus Small – whorled sunflower – Alabama, Georgia, Tennessee
Formerly included The following species were previously included in the genus
Helianthus. •
Helianthella quinquenervis (Hook.) A.Gray (as
H. quinquenervis Hook.) •
Helianthella uniflora (Nutt.) Torr. & A.Gray (as
H. uniflorus Nutt.) •
Pappobolus imbaburensis (Hieron.) Panero (as
H. imbaburensis Hieron.) •
Viguiera procumbens (Pers.) S.F.Blake (as
H. procumbens Pers.) ==Uses==