OF THE CAROLINAS & GEORGIA

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

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Chasmanthium laxum   FAMILY Poaceae

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)

Chasmanthium laxum var. laxum

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

Chasmanthium laxum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-001:

Uniola laxa   FAMILY Poaceae

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

Uniola laxa

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

Uniola laxa

 

COMMON NAME:
Slender Woodoats, Slender Spikegrass


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

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_chla6_004_lvd

        

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_unla4_001_lvd

        

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_unla4_002_lvd

        

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    jkm060730_031

July    Pickens County    SC

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    jkm060730_032

July    Pickens County    SC

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    jkm060730_033

July    Pickens County    SC

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

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    jkm0510b_01

October    Greenville County    SC

Similar to C. sessiliflorum except sheaths hairless, blades 3-6mm wide, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    jkm231025_6351

October    Greenville County    SC

Ashmore Heritage Preserve

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    s051015_d

October    Greenville County    SC

Collar (junction of leaf & sheath) glabrous or nearly so, leaves 3-7mm wide, per Weakley's Flora.

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    s081102_c

November    Columbia County    GA

image of Chasmanthium laxum, Slender Woodoats, Slender Spikegrass

JK Marlow    s081102_d

November    Columbia County    GA

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Chasmanthium laxum   FAMILY Poaceae

SYNONYMOUS WITH Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
Chasmanthium laxum var. laxum

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 25
Chasmanthium laxum

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-10-001:
Uniola laxa   FAMILY Poaceae

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

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

 

Find by SCIENTIFIC NAME:

2160

Grass, Sedge, or Rush
Perennial

Habitat: Savanna-pocosin ecotones, sandhill-pocosin ecotones, moist hardwood swamps, other moist habitats, per Weakley's Flora

Native to the Carolinas & Georgia

Common (uncommon in SC Mountains, rare in NC Mountains)

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

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Spring/Summer/Fall

Inflorescence a panicle

FRUIT:
Spring/Summer/Fall
Grain brownish/Blackish
Grain

 

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



 


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