OF THE CAROLINAS & GEORGIA

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

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



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Leersia oryzoides   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 24 (2007)

Leersia oryzoides

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-62-004:

Leersia oryzoides   FAMILY Poaceae

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

Leersia oryzoides

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

Homalocenchrus oryzoides

 

COMMON NAME:
Rice Cutgrass


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

image of Leersia oryzoides, Rice Cutgrass

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_hoor3_001_lvd

        

image of Leersia oryzoides, Rice Cutgrass

USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950    pnd_leor_002_lvd

        

Culms slender, weak, often decumbent at base, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Leersia oryzoides, Rice Cutgrass

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_leor_008_lvd

        

image of Leersia oryzoides, Rice Cutgrass

JK Marlow    jkm210507_0077

May    Greenville County    SC

Blackwell Heritage Preserve

image of Leersia oryzoides, Rice Cutgrass

JK Marlow    jkm210603_0937

June    Greenville County    SC

Blackwell Heritage Preserve

image of Leersia oryzoides, Rice Cutgrass

JK Marlow    jkm210706_1868

July    Greenville County    SC

Blackwell Heritage Preserve

image of Leersia oryzoides, Rice Cutgrass

JK Marlow    jkm210709_1997

July    Greenville County    SC

Blackwell Heritage Preserve

Leaf margins & sheaths armed with minute spines which can scratch severely, per How to Know the Grasses: Pictured Key Nature Series (Pohl, 1954).

image of Leersia oryzoides, Rice Cutgrass

JK Marlow    jkm210709_1998

July    Greenville County    SC

Blackwell Heritage Preserve

The plants are very rough to the touch, per How to Know the Grasses: Pictured Key Nature Series (Pohl, 1954).

image of Leersia oryzoides, Rice Cutgrass

Gill Newberry    gn10_leersia

October        

Spikelets elliptic, sparsely hispidulous, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Leersia oryzoides, Rice Cutgrass

Gill Newberry    gn10_leersia_habitat

October        

Sheaths and blades strongly retrorsely scabrous, blades mostly 8-10mm wide, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

image of Leersia oryzoides, Rice Cutgrass

Gill Newberry    gn10_leersia2

October        

Axillary panicles partly included in the sheaths, spikelets cleistogamous, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Leersia oryzoides   FAMILY Poaceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 24
Leersia oryzoides

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 029-62-004:
Leersia oryzoides   FAMILY Poaceae

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

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

 

Find by SCIENTIFIC NAME:

2041

Grass, Sedge, or Rush
Perennial

Habitat: marshes, riverbanks, pond-shores, and a wide diversity of other wetlands, per Weakley's Flora

Native to the Carolinas & Georgia

Common (uncommon in GA Coastal Plain)

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.)

IS THE PLANT "ARMED"?
Leaf margins and sheaths armed with minute spines which can scratch severely

LEAVES:
Simple
Alternate, 2-ranked

FLOWER:
Summer/Fall
3 stamens

Inflorescence a panicle

FRUIT:
Summer/Fall
Grain reddish
Grain

 

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



 


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