LEAVENWORTH’S SEDGE
File Size: 49 KB
 
Carex leavenworthii  Dewey
Woodson County, Kansas
Perennial
Height: 4-32 inches
Family: Cyperaceae - Sedge Family
Flowering Period:   April, May, June
Culms: Slender, strongly triangular, rough; base pale brown, wider than distal portion of culm.
Leaves: Blades 3-5, pale green, flat, 1 to 16 inches long, .04 to .16 inch wide, on lower third of culm.
Sheaths: Tight around culm, green or green-and-white-mottled, fronts hyaline; ligule U-shaped, to .08 inch, usually longer than wide. 
Ligules: U-shaped, to .08 inch, usually longer than wide. 
Inflorescences: Dense heads; bracts subtending inflorescence hair-like, .08 to .8 inch long, shorter than inflorescence; spikes 3-8, crowded, nearly spherical to oblong, .28 to .8 inch long, .4 inch wide, staminate spikes above pistillate, spikes with 6-10 ascending or spreading perigynia; staminate spikes scales pale brown, narrowly lanceolate, to .06 inch wide; pistillate scales hyaline with green mid-vein, ovate, .06 to .1 inch long, ca. .04 inch wide, about half as long as perigynia, acute to cuspidate; perigynia pale green, ovate, .1 to .14 inch, broadest at base, tapering to short, minutely toothed beak.
Fruits: Achene, nearly circular, .04 to .06 inch; stigmas 2, rust-colored.
Habitat: Open woods, woodland edges, dry grasslands, roadsides; sandy or calcareous soils.
Distribution: East 1/2 of Kansas
Origin: Native
Comments: Forms loose tufts.

Leavenworth’s sedge
50 KB
Woodson County, Kansas