Description
provided by eFloras
Herbs, perennial, loosely cespitose, 0.25--1.6 dm. Culms nearly terete. Cataphylls 2--4. Leaves basal, 1--4; sheaths loose; auricles absent or rounded, 0.5 mm; blade imperfectly septate, ascending, nearly terete, 2--7 cm x 0.5--1.5 mm. Inflorescences heads, 1--2(--4)-flowered; primary bracts much longer than inflorescence. Flowers: tepals brown to blackish, oblong, 2.5--4 mm, apex obtuse; outer and inner series nearly equal; stamens 6, filaments 1--1.5 mm, anthers 0.5--0.7 mm; style deciduous, 0.3--0.4 mm. Capsules pale with dark purplish valve margins, pseudo-3-locular, oblate to narrowly ovoid, 4--5.5 x 1.7--2.3 mm, exceeding perianth, apex retuse. Seeds yellowish tan, fusiform-ovoid, 0.7--0.9 mm, short tailed. 2n = 120.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Greenland; Alta., B.C., Man., Nfld. and Labr. (Labr.), N.W.T., Nunavut, Ont., Que., Yukon; Alaska, Colo., Mont., Wyo.; n Europe; Asia..
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Flowering and fruiting summer.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Wet tundra and mossy margins of ponds and streams, wet gravel and open, rocky slopes in alpine zones; 10--3400m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Juncus biglumis: Brief Summary
provided by wikipedia EN
Juncus biglumis, called the two-flowered rush, is a species of flowering plant in the genus Juncus, native to the subarctic and subalpine Northern Hemisphere. It has three divergent genetic lineages that may represent cryptic species.
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- Wikipedia authors and editors