Rhynchospora corniculata
shortbristle horned beaksedge, horned rush
Family
Cyperaceae
Leaf Arrangement
alternate
Leaf Type
simple
Growth Form
graminoid, emergent aquatic, aquatic
Flower Color
inconspicuous
Flower Month
July - September
Height (meters)
0.0 - 2.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Warm season
Wetland Class
OBL
Wetland Coefficient of Conservatism
5
Prairie Coefficient of Conservatism
1
Field Characters
An erect, perennial graminoid with 3-sided, leafy culms in tufts or from thick rhizomes. This species is large and robust and easily distinguished from other species. Triangular stem, leaf over 0.5" wide, leaf edge slightly serrate to smooth, purple spot at collar, seed has pronounced beak.
Natural History
Found in shallow water and mud throughout Louisiana and east and southeast Texas.
Habitat
Mud, ditches, marshes, swamp forests.