Native & Naturalized Plants of the Carolinas & Georgia


2739

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common in GA & SC Coastal Plain & GA Pdmt (rare elsewhere in GA-NC-SC) (endemic)

Look for it in sandhills, sandy woodlands, open hammocks, roadsides, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade

LEAVES:
Simple
Opposite
Upper stem leaves sessile, lower stem leaves on short winged petioles

FLOWER:
Spring/Summer
Rays: Yellow
Disc: Yellow
4 outer foliaceous phyllaries form a quadrangle hiding small narrow inner ones
Flower heads with 6-14 ray flowers
Inferior ovary
Flower heads solitary and terminal

FRUIT:
Spring/Summer
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 (5/21/15):
Tetragonotheca helianthoides   FAMILY Asteraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Tetragonotheca helianthoides   FAMILY Asteraceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-60-001:
Tetragonotheca helianthoides   FAMILY Asteraceae

 

COMMON NAME:
Squarehead, Pineland-ginseng


Click or hover over the thumbnails to see larger pictures.

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_1663

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_1666

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

There are 6-14 yellow rays, well-separated from one another, per Wildflowers of the Sandhills Region.

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_1667

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_1693

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_465

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

Stem and leaves hairy and somewhat sticky from tiny beadlike glands, per Atlantic Coastal Plain Wildflowers.

image of Tetragonotheca helianthoides

JK Marlow    jkm180504_466

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides

Richard and Teresa Ware    rtw_t_helianthoides

May        

Squarehead gets its name from the 4 outer bracts just below the flower head, per Wildflowers of the Sandhills Region.

image of Tetragonotheca helianthoides

Will Stuart    wil_t_helianthoides_291

May    Richmond County    NC

North Carolina Sandhills Gamelands

Stems erect to ascending, 1-3' tall, few-branched, pubescent, per Wildflowers of the Sandhills Region.

image of Tetragonotheca helianthoides

Will Stuart    wil_t_helianthoides_304

May    Richmond County    NC

North Carolina Sandhills Gamelands

Upper stem leaves sessile, the lower on short winged stalks; margins toothed, per Wildflowers of the Sandhills Region.

image of Tetragonotheca helianthoides

Will Stuart    wil_t_helianthoides_045

July    Richmond County    NC

North Carolina Sandhills Gamelands

Pollinator at work.