Taxon:  Helianthus angustifolius L.



Summary
Genus:
Helianthus
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Nomen number:
27922
Place of publication:
Sp. pl. 2:906.  1753
Verified:
03/08/2010 ARS Systematic Botanists.
Accessions:
55 (40  active, 29  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Homotypic Synonym(s)
Rudbeckia angustifolia (L.) L.

Images (3 total. Click on image for more.)
Habit

Conservation Status

Reference(s)
  1. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
  2. Clewell, A. F. 1985. Guide to the vascular plants of the Florida panhandle
  3. Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
  4. Ellis, J. R. et al. 2006. High genetic diversity in a rare and endangered sunflower as compared to a common congener. Molec. Ecol. 15:2345-2355. Note: this study found no evidence to support the recognition of Helianthus verticillatus as a hybrid derived from H. angustifolius
  5. FNA Editorial Committee. 1993-. Flora of North America.
  6. Georgieva-Todorova, J. 1984. Interspecific hybridization in the genus Helianthus L. Z. Pflanzenzücht. 93:265-279. Note: this study cited "complete incompatibility" between Helianthus angustifolius and H. annuus
  7. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
  8. Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
  9. Jarvis, C. E. & N. J. Turland, eds. 1998. Typification of Linnaean specific and varietal names in the Compositae (Asteraceae). Taxon 47:362. Note: typification
  10. Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
  11. Prabakaran, A. J. & M. Sujatha. 2004. Interspecific hybrid of Helianthus annuus × H. simulans: characterization and utilization in improvement of cultivated sunflower (H. annuus L.). Euphytica 135:275-282. Note: Netherlands journal of plant breeding
  12. Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.
  13. Radford, A. E. et al. 1964. Manual of the vascular flora of the Carolinas.
  14. Rogers, C. E. et al. 1982. Sunflower species of the United States 28.
  15. Seiler, G. J. et al. 2010. Oil concentration and fatty acid profile of wild Helianthus species from the southeastern United States. Industr. Crops Prod. 31:527-533. Note: this study examined two USDA accessions (PI 649936 & PI 649937) revealing a mean oil concentration of 298.2 g/kg
  16. Walters, S. M. et al., eds. 1986-2000. European garden flora.
  17. Wofford, B. E. Database of Tennessee vascular plants (on-line resource).
Common names
LanguageNameAlternate namenoteseqCitation
Englishnarrow-leaf sunflower  1Rogers, C. E. et al. 1982. Sunflower species of the United States 28.
Englishswamp sunflower  1Liberty Hyde Bailey Hortorium. 1976. Hortus third. A concise dictionary of plants cultivated in the United States and Canada
Swedishsumpsolros  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeNorthern AmericaNorth-Central U.S.A.United StatesIowa Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesMissouris.e.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesOklahomae.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesIndianas.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesNew Jersey Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesNew Yorks.e.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesOhios.e.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesPennsylvania Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaNortheastern U.S.A.United StatesWest Virginia FNA Editorial Committee. 1993-. Flora of North America.
1NativeNorthern AmericaSouth-Central U.S.A.United StatesTexas Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesAlabama Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesArkansas Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesDelaware Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesFlorida Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesGeorgia Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesKentucky Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesLouisiana Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesMaryland Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesMississippi Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesNorth Carolina Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesSouth Carolina Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesTennessee Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesVirginia Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
2Cultivated    also cult. 
4Naturalized    natzd. elsewhere 
Native
Northern America
  • NORTHEASTERN U.S.A.: United States [Indiana (s.), New Jersey, New York (s.e.), Ohio (s.e.), Pennsylvania, West Virginia]
  • NORTH-CENTRAL U.S.A.: United States [Iowa, Missouri (s.e.), Oklahoma (e.)]
  • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
  • SOUTH-CENTRAL U.S.A.: United States [Texas]
Cultivated (also cult.)
Naturalized (natzd. elsewhere)

Reference(s)
  1. FNA Editorial Committee. 1993-. Flora of North America.
  2. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):183-187.
Economic Uses
UsageTypeNoteReference
Environmentalornamental Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Environmentalornamental Walters, S. M. et al., eds. 1986-2000. European garden flora.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=27922. Accessed 12 May 2026.