Family: Cyperaceae
Taxonomy: Plantae > Tracheophyta > Liliopsida > Poales > Cyperaceae > Cyperus > C. haspan
Common name [English]: Sheathed flat sedge
Vernacular name [Malayalam]:
Habitat: Along banks of streams, paddy fields and marshy areas
Description: Erect, spaced, rhizomatous perennials; rhizome long, creeping; roots red-purple; culms 15-35 cm tall, triquetrous. Leaves few, basal, 2-10 x 0.2-0.5 cm, linear, apex acute, sometimes reduced to lanceolate appendage of sheaths; sheaths upto 5 cm long, reddish brown. Inflorescence compound, many-rayed, 4-9 cm across, ultimate branches ending in digitately arranged clusters of spikelets; leafy bracts 2-3, the longest upto 6 cm long. Spikelets 5-10 x 1-2 mm, linear-lanceolate, compressed. Glumes 1.5-2 x 0.5-1 mm, oblong-ovate, mucronulate, keeled. Stamens 2-3; connective bristly at top. Stigmas 3. Nut c. 0.5 x 0.5 mm, obovoid, trigonous, broadly stipitate, cream-yellow, verruculose.
Flowering and Fruiting: Throughout the year
Uses: The plant is a source of materials for weaving into mats and baskets.
Cultivation: wild
References
http://www.plantsoftheworldonline.org
https://indiabiodiversity.org