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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Chasmanthium from the Vascular Plants of North Carolina.
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Chasmanthium sessiliflorum
FAMILY
Poaceae
INCLUDED WITHIN Flora of North America
Chasmanthium sessiliflorum
INCLUDED WITHIN Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Chasmanthium laxum var. 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.
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_chse2_004_lvd
)
USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_unse2_001_lvd
)
JK Marlow jkm090102_039
January Walker County GA
The Pocket on Pigeon Mountain
)
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).
)
JK Marlow jkm0508f_35b
August Greenville County SC
Ashmore Heritage Preserve
)
JK Marlow jkm180814_3785
August McCormick County SC
Parks Mill
)
JK Marlow jkm130922_480
September Pickens County SC
Table Rock State Park
)
JK Marlow jkm071028_057
October McCormick County SC
Sumter National Forest: Edgefield Ranger District
)
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).
)
JK Marlow jkm071028_122
October Edgefield County SC
Sumter National Forest: Edgefield Ranger District
)
Keith Bradley kab_c_sessiliflorum_3114
October Richland County SC
Guignard Park
)
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).
)
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
Flora of North America
Chasmanthium sessiliflorum
INCLUDED WITHIN
Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Chasmanthium laxum var. 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
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)
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!
- Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005) p210
- Manual of the Grasses of the United States (Hitchcock & Chase, 1950) p181
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p411
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005) p400