Genus Helianthus L.


Summary
Genus number:
5474
Last updated:
6 January 2011
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Common name(s):

sunflower
Accession count:

6583 (5390  active, 5018  available) in National Plant Germplasm System
Comments:
all accepted species are in GRIN


Synonyms
Synonym(s)

Images (147 total. Click on image for more.)
Habit

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References:
  1. Mason, C. M. 2018. How old are sunflowers? A molecular clock analysis of key divergences in the origin and diversification of Helianthus (Asteraceae). Int. J. Pl. Sci. 179:182-191.
  2. 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. Note: some sections resolved as polyphyletic
  3. Food and Agriculture Organization of the United Nations International Treaty on Plant Genetic Resources for Food and Agriculture Note: food crop, sunflower genepool
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/taxonomygenus?id=5474. Accessed 11 May 2026.