Native & Naturalized Plants of the Carolinas & Georgia


1023

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common (rare in GA-SC Coastal Plain, rare in GA Mountains)

Look for it in damp to dry soil of open woods and ditches, per Weakley's Flora

map
To see a detailed map, click here

 

partial shade ...Moist ...Dry

LEAVES:
Simple
Alternate, 2-ranked, and often a basal rosette of overwintering leaves

FLOWER:
Summer/Fall
Early-season ("spring") panicles terminal; later "autumnal" panicles are lateral

FRUIT:
Summer/Fall
Grain yellowish/Purplish
Grain

 

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



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

WEAKLEY'S FLORA (5/21/15):
Dichanthelium polyanthes   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Dichanthelium sphaerocarpon var. isophyllum   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America
Dichanthelium polyanthes

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-81-056:
Panicum polyanthes   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Panicum polyanthes

 

COMMON NAME:
Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass


Click or hover over the thumbnails to see larger pictures.

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_papo4_001_lvd

        

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200517_5044

May    Transylvania County    NC

DuPont State Forest

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm0506g_25

June    Oconee County    SC

Roadside

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm0506g_26

June    Oconee County    SC

Roadside

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200625_6021

June    Transylvania County    NC

DuPont State Forest

Nodes and internodes glabrous or puberulent. Leaf bases cordate, diliate, per Vascular Flora of the Carolinas.

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200625_6035

June    Transylvania County    NC

DuPont State Forest

Panicle longer than broad, conspicuously many-flowered, per The Grasses of North Carolina (Blomquist, 1948).

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200625_6036

June    Transylvania County    NC

DuPont State Forest

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200625_6054b

June    Transylvania County    NC

DuPont State Forest

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200625_6206

June    Transylvania County    NC

DuPont State Forest

Vernal culms erect, usually purplish below, tall (to 90cm); leaf ...

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190702_9607

July    Greenville County    SC

blades relatively long, spreading to ascending, the upper slightly reduced, per The Grasses of North Carolina (Blomquist, 1948).

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190702_9609

July    Greenville County    SC

Blades glabrous on both surfaces, per Vascular Flora of the Carolinas.

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190702_9662

July    Greenville County    SC

Leaf blades firm, white-margined, conspicuously striate, per The Grasses of North Carolina (Blomquist, 1948).

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190702_9665

July    Greenville County    SC

Panicle 5-20cm long. Spikelets 1.2-1.6mm, per Vascular Flora of the Carolinas.

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190726_00162

July    Transylvania County    NC

DuPont State Forest

This is a rather elegant witchgrass, 1.5-2.5 feet tall, ...

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190726_0160

July    Transylvania County    NC

DuPont State Forest

with gracefully proportioned leaves, and topped by a...

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190726_157

July    Transylvania County    NC

DuPont State Forest

long-elliptical (or cylindrical) inflorescence of numerous small spikelets, per Vascular Plants of North Carolina.

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200703_6338

July    Greenville County    SC

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm200703_6369

July    Greenville County    SC

Mid-culm blades to 25cm long, 14-30mm wide, the uppermost 10-15+ cm long, per Weakley's Flora (2020).

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190810_0626

August    Greenville County    SC

image of Dichanthelium polyanthes, Many-flowered Witchgrass, Small-fruited Witchgrass, Roundseed Witchgrass

JK Marlow    jkm190810_0627

August    Greenville County    SC