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Taxon:  Helianthus debilis Nutt.



Summary
Genus:
Helianthus
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Nomen number:
70328
Place of publication:
Trans. Amer. Philos. Soc. ser. 2, 7:367. 1841
Verified:
03/08/2010 ARS Systematic Botanists.
Accessions:
3 (3  active, 2  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Helianthus debilis Nutt. subsp. cucumerifolius (Torr. & A. Gray) Heiser (1 active accession[s])
Helianthus debilis Nutt. subsp. debilis (1 active accession[s])
Helianthus debilis Nutt. subsp. silvestris Heiser (4 active accession[s])
Helianthus debilis Nutt. subsp. tardiflorus Heiser (2 active accession[s])
Helianthus debilis Nutt. subsp. vestitus (E. Watson) Heiser (2 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
No images


Reference(s)
  1. Aldén, B., S. Ryman & M. Hjertson. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin). 2009
  2. Chandler, J. M. et al. 1986. Chromosomal differentiation among annual Helianthus species. Syst. Bot. 11:354-371.
  3. Chandler, J. M. et al. 1986. Chromosomal differentiation among annual Helianthus species. Syst. Bot. 11:354-371.
  4. Christov, M. et al. 2009. Wild species of Helianthus L. - Sources of resistance to the parasite Orobanche cumana Wallr. Helia 32:65-74.
  5. Englert, J. M. et al. USDA-NRCS Improved conservation plant materials released by NRCS and cooperators. 1999-
  6. Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
  7. FNA Editorial Committee. Flora of North America. 1993-
  8. Georgieva-Todorova, J. 1984. Interspecific hybridization in the genus Helianthus L. Z. Pflanzenzücht. 93:265-279.
  9. Germishuizen, G. & N. L. Meyer, eds. Plants of southern Africa: an annotated checklist. Strelitzia 14. 2003
  10. Giordani, T. et al. 2003. Analysis of a dehydrin encoding gene and its phylogenetic utility in Helianthus. Theor. Appl. Genet. 107:316-325.
  11. Giordani, T. et al. 2003. Analysis of a dehydrin encoding gene and its phylogenetic utility in Helianthus. Theor. Appl. Genet. 107:316-325.
  12. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):45-48.
  13. Hnatiuk, R. J. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11. 1990
  14. Huxley, A., ed. The new Royal Horticultural Society dictionary of gardening. 1992
  15. Kim, S.-C. & L. H. Rieseberg. 1999. Genetic architecture of species differences in annual sunflowers: Implications for adaptive trait introgression. Genetics 153:965-977.
  16. Kim, S.-C. & L. H. Rieseberg. 1999. Genetic architecture of species differences in annual sunflowers: Implications for adaptive trait introgression. Genetics 153:965-977.
  17. Liberty Hyde Bailey Hortorium. Hortus third. 1976
  18. Radford, A. E. et al., eds. Vascular flora of the southeastern United States. 1980-
  19. Rieseberg, L. G. et al. 1990. Helianthus annuus ssp. texanus has chloroplast DNA and nuclear ribosomal RNA genes of Helianthus debilis ssp. cucumerifolius. Proc. Natl. Acad. Sci. U.S.A. 87:593-597.
  20. Rogers, C. E. et al. 1982. Sunflower species of the United States. 7-8.
  21. Schilling, E. E. 1997. Phylogenetic analysis of Helianthus (Asteraceae) based on chloroplast DNA restriction site data. Theor. Appl. Genet. 94:925-933.
  22. Seiler, G. J. et al. 1991. Renewable resources from wild sunflowers (Helianthus spp., Asteraceae). Econ. Bot. 45:4-15.
  23. Sossey-Alaoui, K. et al. 1998. Evidence for several genomes in Helianthus. Theor. Appl. Genet. 97:422-430.
  24. Sossey-Alaoui, K. et al. 1998. Evidence for several genomes in Helianthus. Theor. Appl. Genet. 97:422-430.
  25. Tikhomirov, V. T. & P. V. Chiryaev. 2005. Sources of resistance to diseases in original material of sunflower. Helia 28:101-106.
  26. Tikhomirov, V. T. & P. V. Chiryaev. 2005. Sources of resistance to diseases in original material of sunflower. Helia 28:101-106.
  27. Timme, R. E. et al. 2007. High-resolution phylogeny for Helianthus (Asteraceae) using the 18S-26S ribosomal DNA external transcribed spacer. Amer. J. Bot. 94:1837-1852.
  28. Timme, R. E. et al. 2007. High-resolution phylogeny for Helianthus (Asteraceae) using the 18S-26S ribosomal DNA external transcribed spacer. Amer. J. Bot. 94:1837-1852.
Common names
English
beach sunflower –
weak sunflower –
Swedish
miniatyrsolros –
Distribution
order_codeStatusContinentSubcontinentCountryStateNote
1NativeNorthern AmericaSouth-Central U.S.A.United StatesTexas 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesAlabama 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesFlorida 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesLouisiana 
1NativeNorthern AmericaSoutheastern U.S.A.United StatesMississippi 
4NaturalizedAfricaSouthern AfricaSouth Africa  
4NaturalizedAustralasiaAustraliaAustralia  
4NaturalizedNorthern America United States  
Native
Northern America
  • SOUTH-CENTRAL U.S.A.: United States [Texas]
  • SOUTHEASTERN U.S.A.: United States [Alabama, Florida, Louisiana, Mississippi]
Naturalized
Africa
  • SOUTHERN AFRICA: South Africa
Australasia
  • AUSTRALIA: Australia
Northern America
  • REGION: United States
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=70328. Accessed 8 December 2025.

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