Summary
Verified:
03/08/2010
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- FNA Editorial Committee. Flora of North America. 1993-
- Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):52.
- Rieseberg, L. H. 1991. Homoploid reticulate evolution in Helianthus (Asteraceae): evidence from ribosomal genes. Amer. J. Bot. 78:1218-1237.
- Rogers, C. E. et al. 1982. Sunflower species of the United States. 14.
- Yushkina, L. L. et al. 2009. Cytogenetic analysis of interspecific hybrid Helianthus praecox × H. annuus, its parental forms, and two backcrosses. Cytol. & Genet. 43:33-37.
- Yushkina, L. L. et al. 2009. Cytogenetic analysis of interspecific hybrid Helianthus praecox × H. annuus, its parental forms, and two backcrosses. Cytol. & Genet. 43:33-37.
Common names
English
premature sunflower – Texas sunflower –
Distribution
| order_code | Status | Continent | Subcontinent | Country | State | Note |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | |
Native
Northern America
-
SOUTH-CENTRAL U.S.A.:
United States [Texas]
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=300258.
Accessed 10 December 2025.