OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus verticillatus   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus verticillatus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Helianthus verticillatus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21 (2006)

Helianthus verticillatus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Helianthus ×verticillatus

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)

Helianthus ×verticillatus

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

Helianthus verticillatus

 

COMMON NAME:
Whorled Sunflower


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

image of Helianthus verticillatus, Whorled Sunflower

Richard and Teresa Ware    rtw_h_verticillat_1

September        

Rays 10-19. Disc florets with yellow lobes, dark anthers & yellow appendages, per Flora of North America.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Helianthus verticillatus   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Helianthus verticillatus   FAMILY Asteraceae

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Helianthus verticillatus

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Helianthus verticillatus

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Helianthus ×verticillatus

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Helianthus ×verticillatus

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

 

Find by SCIENTIFIC NAME:

3728

Forb
Perennial

Habitat: Seasonally wet to moist calcareous prairies, per Weakley's Flora

Native to Georgia

Rare

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

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
Usually whorled, sometimes opposite

FLOWER:
Summer/Fall
Rays: Yellow
Disc: Yellow
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers pistillate but sterile

FRUIT:
Summer/Fall
Achene

 

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



 


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