Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus radula
FAMILY
Asteraceae__
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus radula
FAMILY
Asteraceae__
SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)
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.
)
Alan S. Weakley asw_552542783674310
April FL
Apalachicola National Forest
A rosette of orbicular to nearly round leaves, borne flat against the ground, per Weakley's Flora (2022).
)
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 (Radford, Ahles, & Bell, 1968).
)
Keith Bradley kab_h_radula_4826
November Collier County FL
Big Cypress National Preserve
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus radula
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Helianthus radula
FAMILY
Asteraceae__
SYNONYMOUS WITH
Flora of North America north of Mexico, vol. 19-20-21
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
3972
Forb
Perennial
Habitat: Longleaf pine sandhills and dryish savannas, and dry pine flatwoods, per Weakley's Flora
Native to South Carolina & Georgia
Common in GA, uncommon in SC
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple
Basal & low opposite
Petioles winged
RHIZOMES? STOLONS?
Rhizomes short
FLOWER:
Summer/Fall
Disc: Purplish-red
Rays: Absent
Inferior ovary
Disc flowers bisexual and fertile
Flower heads solitary and terminal
FRUIT:
Summer/Fall
Dark brown
Nutlet
TO LEARN MORE about this plant, look it up in a good book!
- Everglades Wildflowers (Hammer, 2002, 2015) p025
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p362
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p089
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".