OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Danthonia compressa   FAMILY Poaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25 (2003)

Danthonia compressa

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-32-002:

Danthonia compressa   FAMILY Poaceae

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

Danthonia compressa

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

Danthonia compressa

 

COMMON NAME:
Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback


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

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

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

        

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

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

        

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    jkm0405s_33

May    Transylvania County    NC

DuPont State Forest

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    jkm0405t_15

May    Transylvania County    NC

DuPont State Forest

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

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 (Hitchcock & Chase, 1950).

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

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 (Hitchcock & Chase, 1950).

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    jkm230609_3932

June    Jackson County    NC

Whiteside Mountain

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

Patrick D. McMillan    pdmdcompressa_lvl

June    Avery County    NC

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

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 (Hitchcock & Chase, 1950).

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    jkm0407m_17

July    Sevier County    TN

Great Smoky Mountains National Park

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    jkm0407u_14

July    Mitchell County    NC

The Roan Highlands

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

JK Marlow    s040713_fh

July    Sevier County    TN

Great Smoky Mountains National Park

image of Danthonia compressa, Mountain Oatgrass, Flattened Oatgrass, Allegheny Flyback

Patrick D. McMillan    pdmdcompressa_brp

Month Unknown        NC

Blue Ridge Parkway

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Danthonia compressa   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Danthonia compressa

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-32-002:
Danthonia compressa   FAMILY Poaceae

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

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

 

Find by SCIENTIFIC NAME:

433

Grass, Sedge, or Rush
Perennial

Habitat: Grassy balds, thin soils around rock outcrops, woodlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains, rare in Piedmont

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

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!



 


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