Comments
provided by eFloras
This is an easily recognizable species because of its spirally coiling awns and filamentous glume tips.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
provided by eFloras
Perennial, tufted. Culms 15–50 cm tall, 2–3-noded. Basal leaves 1/3–1/2 length of culms; leaf sheaths glabrous, longer than internodes; leaf blades acicular, convolute, up to 20 cm, outer surface smooth or scaberulous; ligule of basal and culm leaves ca. 0.6 mm, truncate, ciliolate. Panicle narrowly contracted, 14–18 cm, often exserted from uppermost leaf sheath at maturity; branches erect-ascending, awns of spikelets twisted together at panicle top to form a tail. Spikelets greenish or purplish; glumes narrowly lanceolate, body ca. 1.5 cm, apex long attenuate into capillary 1–1.5 cm filament, often breaking into fine threads; callus pungent, 2–2.5 mm; lemma 7–10 mm, pubescent in a ventral longitudinal line, shortly longitudinally pilose on back, hispidulous below apex, a ring of stiff hairs at awn articulation; awn deciduous, 7–10 cm, 2-geniculate, column glabrous or puberulous, sometimes with longer hairs to 0.8 mm, 1–2 cm to first bend, 0.6–1 cm to second bend, bristle setulose, flexuous, 5–7 cm, apex filamentous. Fl. and fr. Jul–Sep.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
Gansu, Qinghai, Sichuan, Xizang, Yunnan [Bhutan, N India, Kashmir, Nepal].
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
provided by eFloras
Alpine scrub, wet meadows, hills, montane plains, river banks; 2900–5000 m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA