Helianthus debilis Nutt. subsp. debilis GRIN-Global

Taxon: Helianthus debilis Nutt. subsp. debilis

Summary

Genus:

Helianthus

Family:

Asteraceae (alt. Compositae)

Subfamily:

Asteroideae

Tribe:

Heliantheae

Nomen number:

300254

Verified:

03/08/2010 ARS Systematic Botanists.

Accessions:

1 (1 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Helianthus debilis Nutt. (3 active accession[s])
Helianthus debilis Nutt. subsp. cucumerifolius (Torr. & A. Gray) Heiser (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

Homotypic Synonym(s)

Helianthus annuus L. var. debilis (Nutt.) Anashch.

No images

Reference(s)

FNA Editorial Committee. Flora of North America. 1993-
Giordani, T. et al. 2003. Analysis of a dehydrin encoding gene and its phylogenetic utility in Helianthus. Theor. Appl. Genet. 107:316-325.
Giordani, T. et al. 2003. Analysis of a dehydrin encoding gene and its phylogenetic utility in Helianthus. Theor. Appl. Genet. 107:316-325.
Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22:48.
Jan, C. C. & J. M. Chandler. 1985. Transfer of powdery mildew resistance from Helianthus debilis Nutt. to cultivated sunflower. Crop Sci. (Madison) 25:664-666.
Jan, C. C. & J. M. Chandler. 1985. Transfer of powdery mildew resistance from Helianthus debilis Nutt. to cultivated sunflower. Crop Sci. (Madison) 25:664-666.
Radford, A. E. et al., eds. Vascular flora of the southeastern United States. 1980-
Rogers, C. E. et al. 1982. Sunflower species of the United States. 8.
Schilling, E. E. et al. 1998. Phylogenetic relationships in Helianthus (Asteraceae) based on nuclear ribosomal DNA internal transcribed spacer region sequence data. Syst. Bot. 23:177-87.
Schilling, E. E. et al. 1998. Phylogenetic relationships in Helianthus (Asteraceae) based on nuclear ribosomal DNA internal transcribed spacer region sequence data. Syst. Bot. 23:177-87.
Sossey-Alaoui, K. et al. 1998. Evidence for several genomes in Helianthus. Theor. Appl. Genet. 97:422-430.
Sossey-Alaoui, K. et al. 1998. Evidence for several genomes in Helianthus. Theor. Appl. Genet. 97:422-430.
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.
Vukich, M. et al. 2009. Genetic variability in sunflower (Helianthus annuus l.) and in the Helianthus genus as assessed by retrotransposons-based molecular markers. Theor. Appl. Genet. 119:1027-1038.
Vukich, M. et al. 2009. Genetic variability in sunflower (Helianthus annuus l.) and in the Helianthus genus as assessed by retrotransposons-based molecular markers. Theor. Appl. Genet. 119:1027-1038.

Common names

English
beach sunflower –

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note
1	Native	Northern America	Southeastern U.S.A.	United States	Florida

Native
Northern America

SOUTHEASTERN U.S.A.: United States [Florida]

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=300254. Accessed 8 December 2025.