One-Flowered Rush
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One-Flowered Rush
P Native Photo: Tabish
Common name: One-Flowered Rush
Botanical name: Juncus uniflorus    Family: Juncaceae (Rush family)

One-Flowered Rush is an erect, densely clustered, perennial herb, 2-3 cm tall. Rhizomes are brown to reddish-brown. Stem leaves are 1-2 basal or nearly basal, 10-45 x 0.1-0.4 mm, narrowly thread-like, bitubular, deeply channelled above, blunt at tip, ears 0.1-0.2 mm long, whitish, transparent, pointed or nearly pointed at tip. Flower-heads are borne at the top of flowering-stems, single flowered, bracts usually 2, lower one aristate, equalling or just exceeding tepals. Tepals are narrowly lanceshaped, pale reddish- brown or straw coloured, margins narrowly membranous, pointed to tapering at tip, nearly equal or inner slightly longer 2.5-40 x 0.5-0.9 mm. Stamens are 6, shorter than tepals; filaments shorter than anthers, anthers 1.2-1.8 mm long. Style is 1.0-1.8 mm long, stigma lobes 1.8-3.5 mm long, erect, very fine, pink or red. Capsules are narrowly ellipsoid-trigonous, 3.0-3.5 x 0.5-1.5 mm, including beak, equalling to or slightly longer than tepals, dark brown to blackish-brown, shiny, beak short. One-Flowered Rush is found in Sikkim, Bhutan, China, Nepal and Tibet at altitudes of 3500-4500 m. Flowering: June-October.

Identification credit: Tabish Photographed beyond Tsomgo lake, Sikkim.

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