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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Chasmanthium from the Vascular Plants of North Carolina.
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.
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_chla6_004_lvd
)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_unla4_001_lvd
)
USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950 pnd_unla4_002_lvd
)
JK Marlow jkm060730_031
July Pickens County SC
)
JK Marlow jkm060730_032
July Pickens County SC
)
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).
)
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).
)
JK Marlow jkm231025_6351
October Greenville County SC
Ashmore Heritage Preserve
)
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.
)
JK Marlow s081102_c
November Columbia County GA
)
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
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)
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:
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!
- Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005) p210
- Manual of the Grasses of the United States (Hitchcock & Chase, 1950) p182
- 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
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