Helianthus hirsutus Raf.
Helianthus hirsutus Raf. var. stenophyllus Torr. & A. Gray
Helianthus hirsutus Raf. var. trachyphyllus Torr. & A. Gray
Helianthus stenophyllus (Torr. & A. Gray) E.E. Watson
Stiffhair Sunflower, Hairy Sunflower
|Kingdom||Plantae||Plants, but not fungi, lichens, or algae|
|Subkingdom||Tracheobionta||Vascular plants—plants with a “circulatory system” for delivering water and nutrients|
|Division||Magnoliophyta||Flowering plants, also known as angiosperms|
|Class||Magnoliopsida||Dicotyledons—plants with two initial seed leaves|
|Subclass||Asteridae||A large class that encompasses asters|
|Order||Asterales||Flowering plants with a central disk flower and surrounding petals, like daisies|
|Family||Asteraceae||The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers|
|Genus||Helianthus||From Greek helios, “sun,” and anthos, “flower,” because it was believed that sunflowers turn to follow the sun|
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Helianthus hirsutus description by Thomas H. Kent, not updated.
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11/12/2012 · By Jacquelyn Boyt
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