Native & Naturalized Plants of the Carolinas & Georgia


3445

Forb
Perennial

Native to Georgia (introduced in NC)
Documented growing wild in GA NC -

Rare

Look for it in sandstone and granite glades and woodlands, loamy to xeric longleaf pine sandhills, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Basal & opposite (reduced upward)

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!



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

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus longifolius   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-65-008:
Helianthus longifolius   FAMILY Asteraceae

 

COMMON NAME:
Longleaf Sunflower


Click or hover over the thumbnails to see larger pictures.

image of Helianthus longifolius

JK Marlow    jkm110416_753

April    Etowah County    AL

image of Helianthus longifolius

Richard and Teresa Ware    rtw_h_longifolius

September        

Leaves 10-20x as long as wide, basally disposed, glabrous, per Weakley's Flora.

image of Helianthus longifolius

Richard and Teresa Ware    rtw_h_longifolius_4b

September        

8-13 ray florets. Disc florets' lobes yellow; anthers dark, appendages dark, per Flora of North America.

image of Helianthus longifolius

Richard and Teresa Ware    rtw_h_longifolius_lrc

September