File Size: 164 KB
Carex aggregata  Mack.
Anderson County, Kansas
Height: 12 to 40 inches
Family: Cyperaceae - Sedge Family
Flowering Period:   April, May
Also Called: Glomerate sedge.
Culms: Tufted. Culm erect, triangular, rough, base pale brown, sides usually grooved.
Leaves: 3-7, pale green, flat, to 20 inches long, 1/8 to 1/5 inch wide, shorter than culm.
Sheaths: Open, loose, throat thickened, upper side green and white mottled, lower side sometimes red dotted.
Ligules: About as wide as long.
Inflorescences: Elongated head, crowded or sometimes interrupted, 1 to 2 inches long, 1/3 to 1/2 inch wide; bracts subulate, to 1 1/5 inch, sometimes absent; spikes 5-10, ascending to spreading; staminate flowers above pistillate; staminate scales pale brown, narrow, acuminate; pistillate scales clear or pale brown with green midvein, ovate, shorter and narrower than perigynia, tips acute to acuminate, less commonly awned; perigynia 5-15 per spike, pale green to pale brown, ovoid, 1/8 to 1/6 inch long, 1/12 to 1/8 inch wide, beak 2-toothed, serrulate.
Fruits: Achenes, circular to elliptic-circular, ca. 1/12 inch, apiculate; stigmas 2, reddish brown.
Habitat: Open woods, meadows; usually on calcareous soils.
Distribution: East 1/3 of Kansas
Origin: Native
Comments: Carex aggregata closely resembles Carex gravida. It has darker green perigynia with longer beaks than Carex gravida.

Clustered sedge
151 KB
Anderson County, Kansas