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):
Tetragonotheca helianthoides   FAMILY Asteraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Tetragonotheca helianthoides   FAMILY Asteraceae

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

Tetragonotheca helianthoides

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

Tetragonotheca helianthoides

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-60-001:

Tetragonotheca helianthoides   FAMILY Asteraceae

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

Tetragonotheca helianthoides

 

COMMON NAME:
Pineland Squarehead, Pineland-ginseng


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

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_tehe2_001_lvd

        

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

JK Marlow    jkm180504_1663

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

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 (Sorrie, 2011).

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

JK Marlow    jkm180504_1667

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

JK Marlow    jkm180504_1693

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

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 (Nelson, 2006).

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

JK Marlow    jkm180504_466

May    Meriwether-Talbot Counties    GA

Sprewell Bluff WMA

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

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 (Sorrie, 2011).

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

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 (Sorrie, 2011).

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

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 (Sorrie, 2011).

image of Tetragonotheca helianthoides, Pineland Squarehead, Pineland-ginseng

Will Stuart    wil_t_helianthoides_045

July    Richmond County    NC

North Carolina Sandhills Gamelands

Pollinator at work.

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Tetragonotheca helianthoides   FAMILY Asteraceae

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Tetragonotheca helianthoides

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-60-001:
Tetragonotheca helianthoides   FAMILY Asteraceae

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

 

Find by SCIENTIFIC NAME:

2739

Forb
Perennial

Habitat: Longleaf pine sandhills, sandy woodlands, open hammocks, roadsides, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain of GA & SC, common in GA Piedmont, uncommon in SC Piedmont (rare elsewhere in GA-NC-SC)

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

LEAVES:
Simple
Mostly opposite
Upper stem leaves sessile, lower stem leaves on short winged petioles
Margins toothed

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!



 


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