Helianthus pauciflorus subsp. subrhomboideus (Rydb.) O.Spring & E.E.Schill.
Family: Asteraceae
few-leaved sunflower,  more...
[Helianthus laetiflorus var. subrhomboideus Pers.,  more]
Helianthus pauciflorus subsp. subrhomboideus image
from USDA Plants website  
Description Not Yet Available
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