Native & Naturalized Plants of the Carolinas & Georgia


2737

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common (uncommon in Mtns south of NC, rare in Coastal Plain south of VA)

Look for it on bog edges, moist thickets, ditches, per Weakley's Flora

map
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...Wet ...Moist

LEAVES:
Simple
Mostly alternate, lowermost opposite
Petioles .3-1.5cm long

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

FRUIT:
Summer/Fall
Blackish/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 giganteus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus giganteus   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-021:
Helianthus giganteus   FAMILY Asteraceae

 

COMMON NAME:
Tuberous Sunflower, Swamp Sunflower, Tall Sunflower