Native & Naturalized Plants of the Carolinas & Georgia


460

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Common

Look for it in shaded mesic to dry woodlands, per Weakley's Flora

map
To see a detailed map, click here

 

shade ...Moist ...Dry

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!



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

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Dichanthelium boscii   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-81-062:
Panicum boscii   FAMILY Poaceae

GREATER THAN Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Panicum boscii var. boscii

GREATER THAN Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Panicum boscii var. molle

 

COMMON NAME:
Bosc's Witchgrass, Bosc's Panicgrass


Click or hover over the thumbnails to see larger pictures.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_pabo5_001_lvd

        

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_pabo5_002_lhd

        

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100514_085

May    Greenville County    SC

Ashmore Heritage Preserve

Spikelets over 4mm long, per How to Know the Grasses by R.W. Pohl.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100514_085b

May    Greenville County    SC

Ashmore Heritage Preserve

Spikelets 3.7-4.2mm long; rachis and spreading-ascending branches villous, per Vascular Flora of the Carolinas.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100514_085c

May    Greenville County    SC

Ashmore Heritage Preserve

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100514_092

May    Greenville County    SC

Ashmore Heritage Preserve

[This one measured about 27mm.] Blades 12-40mm wide, per Weakley's Flora.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm180506_478

May    Crawford County    GA

Culms 40-70cm tall, glabrous or minutely puberulent, per Manual of the Grasses of the United States.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100611_017

June    Stanly County    NC

Morrow Mountain State Park

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm100611_018

June    Stanly County    NC

Morrow Mountain State Park

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

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    s050604_l2

June    Greenville County    SC

Blade margins scaberulose, bases cordate, long-ciliate, per Vascular Flora of the Carolinas.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    s050604_l3

June    Greenville County    SC

Panicle 6-12cm long, spikelets 4-4.5mm long, about half as wide, per Manual of the Grasses of the United States.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm090717_107

July    Georgetown County    SC

Hobcaw Barony

Internodes glabrous, puberulent, or papillose-pilose, per Vascular Flora of the Carolinas.

image of Dichanthelium boscii, Bosc's Witchgrass, Bosc's Panicgrass

JK Marlow    jkm090717_111

July    Georgetown County    SC

Hobcaw Barony

The nodes of the stems are bearded with soft hairs, per How to Know the Grasses by R.W. Pohl.