Native & Naturalized Plants of the Carolinas & Georgia


433

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC SC

Common in Mountains, rare in Piedmont

Look for it on grassy balds, thin soils around rock outcrops, woodlands, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Basal & low alternate, 2-ranked

FLOWER:
Summer
Inflorescence a panicle

FRUIT:
Summer
Grain reddish
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):
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 029-32-002:
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Danthonia compressa

SYNONYMOUS WITH Flora of North America
Danthonia compressa

 

COMMON NAME:
Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback


Click or hover over the thumbnails to see larger pictures.

image of Danthonia compressa

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_daco_001_lvd

        

image of Danthonia compressa

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_daco_002_lvd

        

image of Danthonia compressa

JK Marlow    jkm0405s_33

May    Transylvania County    NC

DuPont State Forest

image of Danthonia compressa

JK Marlow    jkm0405t_15

May    Transylvania County    NC

DuPont State Forest

image of Danthonia compressa

JK Marlow    jkm0405t_20

May    Transylvania County    NC

DuPont State Forest

Culms rather loosely tufted, on average stouter and taller than D. spicata, per Manual of the Grasses of the United States.

image of Danthonia compressa

JK Marlow    s040523_a1

May    Transylvania County    NC

DuPont State Forest

Panicle 5-8cm long (rarely to 10cm), per Manual of the Grasses of the United States.

image of Danthonia compressa

JK Marlow    s040523_a2

May    Transylvania County    NC

DuPont State Forest

Slender branches bearing 2-3 spikelets, looser than D. spicata, per Manual of the Grasses of the United States.

image of Danthonia compressa

Patrick D. McMillan    pdmdcompressa_lvl

June    Avery County    NC

image of Danthonia compressa

JK Marlow    jkm0407m_02

July    Sevier County    TN

Great Smoky Mountains National Park

Blades elongate, some commonly 20-25cm long, 2-3mm wide, per Manual of the Grasses of the United States.

image of Danthonia compressa

JK Marlow    jkm0407m_17

July    Sevier County    TN

Great Smoky Mountains National Park

image of Danthonia compressa

JK Marlow    jkm0407u_14

July    Mitchell County    NC

The Roan Highlands

image of Danthonia compressa

JK Marlow    s040713_fh

July    Sevier County    TN

Great Smoky Mountains National Park

image of Danthonia compressa

Patrick D. McMillan    pdmdcompressa_brp

Month Unknown        NC

Blue Ridge Parkway