|Scientific Name||Cyperus odoratus||USDA PLANTS Symbol||CYOD|
|Common Name||FRagrant Flatsedge, Rusty Flatsedge||ITIS Taxonomic Serial No.||39894|
|Description||Habitat: Wet soils and shallow water along shorelines, disturbed, muddy places, fresh or slightly brackish marshes; widespread.
Plant: Erect tufted annual or short-lived perennial with hairless, light-green, three-sided culms (stems) up to 36 inches tall.
Leaves: Usually 2 to 3 leaves along the lower third of the culm with ascending, arching, or widely spreading blades 3 to 12 inches long and 3/16 to nearly 1/2-inch wide; blades are V- or M-shaped in cross-section.
Inflorescence: Congested umbel or compound umbel of floral spikes up to 5 inches across and 4 inches tall above a whorl of several leafy bracts; usually 2 to 4 cylindrical spikes per cluster, each 1/2 to 1-1/2 inches long with 20 to 60 spikelets giving a bottle brush appearance; spikelets about 1/2-inch long, initially yellowish or whitish green, becoming yellowish or whitish brown then reddish brown or deep brown at maturity.
Bloom Period: Spring to fall, occasionally winter.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, Illinois Wildflowers, Minnesota Wildflowers and SEINet.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023