HEAVY SEDGE
File Size: 76 KB
 
Carex gravida  Bailey
Konza Prairie, Riley County, Kansas
Perennial
Height: 1 to 2 feet
Family: Cyperaceae - Sedge Family
Flowering Period:   April, May, June
Also Called: Heavy-fruit caric sedge.
Culms: Erect or ascending, slender, prominently triangular, light green, rough beneath inflorescences.
Leaves: Blades 4-6, flat, to 12 inches long, less than 1/3 inch wide, rough above, glabrous below; tips pointed
Sheaths: Open, loose, green and white spotted.
Ligules: Prominent
Inflorescences: Heads, dense, oblong or egg-shaped, .5 to 1.5 inch long, less than 3/5 inch wide, pale, composed of 5-15 rounded spikes; bracts bristle-like, shorter than heads or lowest about as long; spikes generally touching, sometimes interrupted by intervening space, sessile, appearing bristly; staminate flowers above pistillate flowers; pistillate scales ovate-lanceolate, dull green to brown, midvein conspicuous, about as long as perigynia, awn-tipped; perigynia to 15 per spike, oval to nearly circular, flattened, dull green to pale brown; margins greenish; beaks 2-toothed; staminate scales narrow, pale brown; tips gradually tapered to points.
Fruits: Achenes, small, flat, round, brownish yellow, 1-seeded; stigmas 2, reddish brown.
Habitat: Damp or drying prairies, open woods, swales, and roadside ditches, most abundant on limestone or chalk soils.
Distribution: Throughout Kansas.

Heavy sedge
65 KB
Konza Prairie, Riley County, Kansas
Heavy sedge
142 KB
Konza Prairie, Riley County, Kansas
Heavy sedge
146 KB
Konza Prairie, Riley County, Kansas
Heavy sedge inflorescence
68 KB
Konza Prairie, Riley County, Kansas
Heavy sedge leaves
142 KB
Konza Prairie, Riley County, Kansas
Heavy sedge spikes
41 KB
Mitchell County, Kansas
Heavy sedge
181 KB
Mitchell County, Kansas