Carolinas and Georgia

644

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

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus angustifolius   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-002:
Helianthus angustifolius   FAMILY Asteraceae

 

COMMON NAME:
Narrowleaf Sunflower , Swamp Sunflower


map
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Look for it in savannas, ditches, marshes, other wet habitats, per Weakley's Flora

Forb
Perennial

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

Common (uncommon in Piedmont, rare in Mountains)

 

full sun partial shade ...Wet ...Moist ...Variable ...Dry

LEAVES:
Simple
Lower opposite, upper alternate

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Purplish-red
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!



Helianthus angustifolius   FAMILY Asteraceae

Narrowleaf Sunflower , Swamp Sunflower