Robert W. Freckmann Herbarium
University of Wisconsin - Stevens Point

Vascular Plants

Plants of Wisconsin

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  Helianthus pauciflorus Nutt. image
Photographer: Merel R. Black           

Hugh H. Iltis

Merel R. Black

Merel R. Black

Robert W. Freckmann
Family Asteraceae
Helianthus pauciflorus Nutt.
few-leaved sunflower, stiff sunflower
Helianthus: derived from two Greek words helios, "sun," and anthos, "flower," in reference to the sunflower's supposed tendency to always turn toward the sun
pauciflorus: few-flowered
County distribution map- click for detailed distribution maps.
Detailed Distribution:
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Status: Native
Plant: erect, perennial, 1' - 6 1/2' tall forb; stems usually leafless near the top
Flower: head 2" - 3 1/2" wide, 10-21 yellow rays; 1/2"-1" wide, reddish-purple disk; bracts (phyllaries) short, compact; inflorescence of one to a few, long-stalked heads; blooms Aug.-Sept.
Leaf:2 1/2 to 8 times as long as wide, mostly all opposite, tapering to a short stalk, very rough, often folded upward along the midrib, up to 15 pairs below the inflorescence leaf drawing
Habitat: prairies, roadsides
Notes: very similar to H. X laetiflorus but with shorter leaf stalks and reddish-purple disks
(Glossary)

More Information Natural Communities Herbarium Specimens
All Helianthus list Google- Images or Text

Flora of North America (off site)
Synonyms 
There are no synonyms for this taxon.

Vascular Plants

Plants of Wisconsin

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