Vincent Van Gogh's painting 'Sunflowers' (F453), select to view full-size
A group of about 70 related plants in ✽ aster / ✽ daisy / 🌻︎ sunflower  family Asteraceae.

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Most species are native to North America and Central America, with 3 species native to South America.

⚘❀ National flower of 🇺🇦 Ukraine.  Whose flag is often said to be:
 ◼︎blue of the sky, over
 ◼︎yellow fields of 🌻︎ sunflowers or 🌾︎ wheat.
(Not accurate, but it's great imagery!)

Uses by native peoples
(Ethnobotany database)

Helianthus hosts caterpillars of 77 species
of butterflies and moths, in some areas.

Learn more about 🌻︎ sunflower genus Helianthus

🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Flora of North America NRCS PLANTS db Wikipedia