OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Chasmanthium sessiliflorum var. sessiliflorum   FAMILY Poaceae   Go to FSUS key



INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Chasmanthium sessiliflorum   FAMILY Poaceae

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)

Chasmanthium laxum var. sessiliflorum

INCLUDED WITHIN Flora of North America north of Mexico, vol. 25 (2003)

Chasmanthium sessiliflorum

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-002:

Uniola sessiliflora   FAMILY Poaceae

INCLUDED WITHIN Manual of the Grasses of the US (Hitchcock & Chase, 1950)

Uniola sessiliflora

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Uniola longifolia

 

COMMON NAME:
Longleaf Woodoats, Longleaf Spikegrass, Upland Oats


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

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_chse2_004_lvd

        

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_unse2_001_lvd

        

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm090102_039

January    Walker County    GA

The Pocket on Pigeon Mountain

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm0508f_35

August    Greenville County    SC

Ashmore Heritage Preserve

Leaves 6-12mm wide, to 4 dm long, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm0508f_35b

August    Greenville County    SC

Ashmore Heritage Preserve

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm180814_3785

August    McCormick County    SC

Parks Mill

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm130922_480

September    Pickens County    SC

Table Rock State Park

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm071028_057

October    McCormick County    SC

Sumter National Forest: Edgefield Ranger District

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm071028_120

October    Edgefield County    SC

Sumter National Forest: Edgefield Ranger District

Spikelets with 1-4 fertile and 1 sterile flower, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm071028_122

October    Edgefield County    SC

Sumter National Forest: Edgefield Ranger District

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

Keith Bradley    kab_c_sessiliflorum_3114

October    Richland County    SC

Guignard Park

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

Keith Bradley    kab_c_sessiliflorum_3114b

October    Richland County    SC

Guignard Park

Spikelets flat, subsessile, glumes and lemmas weakly nerved, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Chasmanthium sessiliflorum var. sessiliflorum, Longleaf Woodoats, Longleaf Spikegrass, Upland Oats

JK Marlow    jkm211106_4759

November    Pickens County    SC

Palmetto Trail

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Chasmanthium sessiliflorum var. sessiliflorum   FAMILY Poaceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Chasmanthium sessiliflorum   FAMILY Poaceae

INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Chasmanthium laxum var. sessiliflorum

INCLUDED WITHIN Flora of North America north of Mexico, vol. 25
Chasmanthium sessiliflorum

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-002:
Uniola sessiliflora   FAMILY Poaceae

INCLUDED WITHIN Manual of the Grasses of the US (Hitchcock & Chase, 1950)
Uniola sessiliflora

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Uniola longifolia

 

Find by SCIENTIFIC NAME:

1570

Grass, Sedge, or Rush
Perennial

Habitat: Moist to dryish hardwood forests, swamps, other moist habitats, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Piedmont & Coastal Plain of GA & SC, rare in Carolina Mountains (uncommon elesewhere in GA & NC)

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

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

FLOWER:
Summer/Fall

Inflorescence a panicle or raceme

FRUIT:
Summer/Fall
Grain blackish
Grain

 

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



 


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