Native & Naturalized Plants of the Carolinas & Georgia

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653

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common (rare in Coastal Plain)

Look for it in woodlands & roadsides, per Weakley's Flora

map
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full sun partial shade shade ...Variable

LEAVES:
Simple
Opposite, sometimes alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile
Inferior ovary

FRUIT:
Summer/Fall
Brown
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA (11/30/12):
 Helianthus strumosus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
 Helianthus strumosus   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-019:
 Helianthus strumosus   FAMILY Asteraceae

 

COMMON NAME:
 Roughleaf Sunflower, Pale-leaf Woodland Sunflower

Click or hover over the thumbnails to see larger pictures.

image of Helianthus strumosus, Roughleaf Sunflower, Pale-leaf Woodland Sunflower

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hest_001_lvd

        

image of Helianthus strumosus, Roughleaf Sunflower, Pale-leaf Woodland Sunflower

Richard and Teresa Ware    rtw_h_strumosus_2

September        

Differs from H. tuberosus in its glabrous/glabrate stems and lack of tubers, per Flora of North America.

image of Helianthus strumosus, Roughleaf Sunflower, Pale-leaf Woodland Sunflower

Richard and Teresa Ware    rtw_h_strumosus_9

September        

Phyllaries erect, loose, or squarrose, equaling or slightly surpassing discs, per Flora of North America.