OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Dichanthelium commutatum +   FAMILY Poaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Dichanthelium commutatum   FAMILY Poaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Dichanthelium commutatum

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)

Dichanthelium commutatum

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-81-059:

Panicum commutatum   FAMILY Poaceae

 

COMMON NAME:
Variable Witchgrass


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

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_dico2_001_lvd

        

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_paas3_001_lvd

        

Panicum ashei = D. commutatum var. ashei

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_paas3_002_lhd

        

Panicum ashei = D. commutatum var. ashei

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_paco21_001_lvd

        

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_paco21_002_lhd

        

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_paeq2_001_lhd

        

Panicum equilaterale < D. commutatum var. commutatum

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_pamu10_001_lvd

        

Panicum mutabile < D. commutatum var. commutatum

image of Dichanthelium commutatum +, Variable Witchgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_pamu10_002_lhd

        

Panicum mutabile < D. commutatum var. commutatum

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm230418_2656

April    Pickens County    SC

Glassy Mountain Heritage Preserve

image of Dichanthelium commutatum +, Variable Witchgrass

Patrick D. McMillan    pdmdcommutatum_home1

April    Anderson County    SC

Panicle 6-12 cm long, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm060506_048

May    Oconee County    SC

Clemson Forest

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200525_5225

May    Greenville County    SC

Tall Pines Wildlife Management Area

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200525_5228

May    Greenville County    SC

Tall Pines Wildlife Management Area

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200525_5229

May    Greenville County    SC

Tall Pines Wildlife Management Area

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200526_5337

May    Greenville County    SC

Tall Pines Wildlife Management Area

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200528_5365

May    Greenville County    SC

Tall Pines Wildlife Management Area

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200531_5508

May    Greenville County    SC

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200531_5526

May    Greenville County    SC

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm200531_5531

May    Greenville County    SC

image of Dichanthelium commutatum +, Variable Witchgrass

Patrick D. McMillan    pdmdcommutatum_huger

May    Berkeley County    SC

Francis Marion National Forest

Blades glabrous, margins scaberulose, bases cordate, frequently ciliate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm120623_200

June    Greenville County    SC

Ashmore Heritage Preserve

Vernal culms 40-75cm tall, erect, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm120623_203

June    Greenville County    SC

Ashmore Heritage Preserve

image of Dichanthelium commutatum +, Variable Witchgrass

JK Marlow    jkm0407b_29

July    Rutherford County    NC

Chimney Rock Park

Later leaves somewhat reduced, jutting out from stem, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Dichanthelium commutatum +   FAMILY Poaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Dichanthelium commutatum   FAMILY Poaceae

INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Dichanthelium commutatum

INCLUDED WITHIN Floristic Synthesis of North America (Kartesz, 1999)
Dichanthelium commutatum

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-81-059:
Panicum commutatum   FAMILY Poaceae

 

Find by SCIENTIFIC NAME:

461

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Common to rare, depending on variety

map
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
Alternate, 2-ranked, and often a basal rosette of overwintering leaves

FLOWER:
Spring/Summer/Fall

Early-season ("spring") panicles terminal; later "autumnal" panicles are lateral

FRUIT:
Spring/Summer/Fall
Grain yellowish/Purplish
Grain

 

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



 


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