OF THE CAROLINAS & GEORGIA

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

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


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus radula   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America
Helianthus radula

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-001:
Helianthus radula   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus radula

 

COMMON NAME:
Roundleaf Sunflower, Rayless Sunflower


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

image of Helianthus radula, Roundleaf Sunflower, Rayless Sunflower

Keith Bradley    kab_h_radula_4821

November    Collier County    FL

Big Cypress National Preserve

Ray flowers absent; disc flowers purplish-red, per Vascular Flora of the Carolinas.

image of Helianthus radula, Roundleaf Sunflower, Rayless Sunflower

Keith Bradley    kab_h_radula_4826

November    Collier County    FL

Big Cypress National Preserve

 

WEAKLEY'S FLORA (4/24/22):
Helianthus radula   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus radula   FAMILY Asteraceae__

SYNONYMOUS WITH Flora of North America
Helianthus radula

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-65-001:
Helianthus radula   FAMILY Asteraceae__

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Helianthus radula

 

Find by SCIENTIFIC NAME:

3972

Forb
Perennial

Native to South Carolina & Georgia

Common in GA, uncommon in SC

Habitat: Longleaf pine sandhills and dryish savannas, and dry pine flatwoods, 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 & low opposite
Petioles winged

RHIZOMES? STOLONS?
Rhizomes short

FLOWER:
Summer/Fall
Disc: Purplish-red
Rays: Absent
Disc flowers bisexual and fertile
Inferior ovary

Flower heads solitary and terminal

FRUIT:
Summer/Fall
Dark brown
Nutlet

 

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



 


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