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Brown Flatsedge
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Brown Flatsedge
A Native Photo: Shashidharswamy Hiremath
Common name: Brown Flatsedge, Brown Galingale • Kannada: ಕಾಡು ಜೇಕು Kadu Jeku, ಸಣ್ಣ ಜೇಕಿನ ಗಡ್ಡೆ Sanna Jekin Gadde
Botanical name: Cyperus fuscus    Family: Cyperaceae (Sedge family)
Synonyms: Cyperus forsskalii, Cyperus virescens, Cyperus viridis

Brown Flatsedge is an annual herb, 10-30 cm, forming small clusters. Stem is 1-1.5 mm in diameter, trigonous, smooth. Leaves are basal, shorter than stem; sheaths 20-40 mm, brown or reddish brown, mouth margin concave Leaf blades are 2-3 mm wide, flat or keeled, margins smooth, tip long, trigonous, pointed, scabrous. Inflorescence is an irregular, spreading multiple spike, primary branches often up to 3 cm, with tubular prophyll, ending into cluster of up to about 50 spikes; lowest 2-3 bracts foliose, 3-10 cm, sheath-less, margins and midnerve below scabrous, base with scarious margins. Spikes 3-15 x 1.5-2 mm, compressed, tight, with 10-40 glumes; axis laterally compressed or four-edged, brown or, usually, dark reddish brown, shiny, almost straight, internodes about 0.5 mm. Brown Flatsedge is native to Macaronesia, Europe, Medit. to China, at altitudes of 100-2000 m. Flowering: June-August.

Identification credit: Shashidharswamy Hiremath Photographed in Haveri-Dist, Karnataka.

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