3727

Forb
Annual

Native to South Carolina & Georgia (introduced into NC)

Documented growing wild in GA NC SC

Rare to uncommon, endemic to AL-GA-SC Piedmont

Look for it in shallow soils over granite on low-elevation granite domes or flatrocks, per Weakley's Flora

To see a detailed map, click here

 

LEAVES:
Simple
Alternate, or the lower opposite

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

FRUIT:
Summer/Fall
Achene

 

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

• Wildflowers of the Atlantic Southeast p280
• Wildflowers of the Eastern United States p123

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

WEAKLEY'S FLORA (10/20/20):
Helianthus porteri   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus porteri   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933)
Viguiera porteri