OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA (4/24/22):
Helianthus longifolius   FAMILY Asteraceae   NEW! Click to go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus longifolius   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Helianthus longifolius

INCLUDING & INCLUDED WITHIN (MISIDENTIFICATION) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-008:
Helianthus longifolius   FAMILY Asteraceae

 

COMMON NAME:
Longleaf Sunflower


         To see larger pictures, click or hover over the thumbnails.

image of Helianthus longifolius, Longleaf Sunflower

JK Marlow    jkm110416_753

April    Etowah County    AL

image of Helianthus longifolius, Longleaf Sunflower

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, Longleaf Sunflower

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, Longleaf Sunflower

Richard and Teresa Ware    rtw_h_longifolius_lrc

September        

 

WEAKLEY'S FLORA (4/24/22):
Helianthus longifolius   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus longifolius   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Helianthus longifolius

INCLUDING & INCLUDED WITHIN (MISIDENTIFICATION) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-008:
Helianthus longifolius   FAMILY Asteraceae

 

Find by SCIENTIFIC NAME:

3445

Forb
Perennial

Native to Georgia

Rare

Habitat: Sandstone and granite glades and woodlands, loamy to xeric longleaf pine sandhills, per Weakley's Flora

map
NEW! Click here to see a map from Weakley's Flora of the Southeastern US showing range and abundance.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

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!



 


Find by SCIENTIFIC NAME: