Helianthus annuus, sunflower, is an important member of the family Compositae. For humans and livestock worldwide it is an important source of oil and a complementary source of protein. Also humans use the plant as an ornamental flower and a source of chemical feedstocks. H. annuus is a diploid species with n= 17 and an estimated genome size of 2871-3189 Mbp.
Twenty genetic maps are available in Map Viewer. Detailed information about the maps is available in the BioProject database.