Helianthus annuus

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Helianthus annuus L.

alt=Description of SunflowerSunset.jpg picture.
Order Asterales
Family Compositae
Genus Helianthus

2n = 34

Origin : United States and Mexico

wild and cultivated

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French {{{french}}}



Popular names

  • English: sunflower
  • French: tournesol

see more European names

Biology

Classification

Cultivars

History

It comes from the same wood engraving. It represents a cultivated type with only one big head. Leaves are drawn as alternate, although they are in fact opposite decussate.

Read Sturtevant's article.

Uses

References

Links