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):
Pterocaulon pycnostachyum   FAMILY Asteraceae__   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pterocaulon pycnostachyum   FAMILY Asteraceae__

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

Pterocaulon pycnostachyum

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

Pterocaulon pycnostachyum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-41-001:

Pterocaulon pycnostachyum   FAMILY Asteraceae__

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

Pterocaulon undulatum

 

COMMON NAME:
Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem


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

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Keith Bradley    kab_p_pycnostachyum_6460

January    Miami-Dade County    FL

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Keith Bradley    kab_p_pycnostachyum_6474

January    Miami-Dade County    FL

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Alan S. Weakley    asw_995514165189641

April        FL

Apalachicola National Forest

The stems and leaf undersurfaces creamy-white floccose-tomentose, per Weakley's Flora (2022).

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

JK Marlow    jkm0505s_08

May    Williamsburg County    SC

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

JK Marlow    jkm0505s_09

May    Williamsburg County    SC

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

JK Marlow    jkm090516_219

May    Charleston County    SC

Francis Marion National Forest

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Richard and Teresa Ware    rtw_p_pycnostachyum_2

July        

Leaf bases decurrent down the stem, per Weakley's Flora (2022).

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

Richard and Teresa Ware    rtw_p_pycnostachyum_5

July        

Heads in oblong, terminal spikes, per Weakley's Flora (2022).

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

JK Marlow    jkm081009_085

October    Dorchester County    SC

image of Pterocaulon pycnostachyum, Black Snakeroot, Dense-spike Blackroot, Pineland Wingstem

JK Marlow    jkm081009_088

October    Dorchester County    SC

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Pterocaulon pycnostachyum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pterocaulon pycnostachyum   FAMILY Asteraceae__

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

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 19-20-21
Pterocaulon pycnostachyum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-41-001:
Pterocaulon pycnostachyum   FAMILY Asteraceae__

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

 

Find by SCIENTIFIC NAME:

1957

Forb
Perennial

Habitat: Longleaf pine sandhills, pine flatwoods, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Coastal Plain

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

LEAVES:
Simple

FLOWER:
Spring/Summer
Discoid flowers very small
Rays: Absent
Inferior ovary
Bisexual

FRUIT:
Spring/Summer
Reddish-brown
Achene

 

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



 


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