Overview

Distribution

Gansu, Hebei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Xinjiang, Xizang [Kazakhstan, Kyrgyzstan, Mongolia, Russia, Uzbekistan].
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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Physical Description

Morphology

Description

Culms 10–25 cm tall, 2–3-noded, glabrous or pubescent below nodes. Basal leaves equaling or overtopping culms; leaf sheaths glabrous, shorter than internodes; leaf blades convolute, acicular, outer surface smooth or scabrid; ligule ca. 1 mm, obtuse, densely pilose. Panicle contracted, 4–10 cm, branches usually enclosed by inflated uppermost leaf sheath. Spikelets pale greenish; glumes narrowly lanceolate, equal or lower glume slightly longer, 2–3.5 cm, apex hyaline, long attenuate-filiform; callus pungent, 1.5–2 mm; lemma 7–10 mm, pilose in longitudinal lines, apex with a ring of short hairs or glabrous; awn deciduous, 6–13 cm, 1-geniculate, column 1–2.5 cm, glabrous, bristle 4–14 cm, plumose, hairs 3–6 mm. Fl. and fr. Jun–Jul.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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Ecology

Habitat

Dry mountain slopes, dry steppes, deserts; 300–4500 m.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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Notes

Comments

This is the only species in China with a clearly 1-geniculate awn with glabrous column and feathery bristle. The twisted column is almost smooth, and the hairs of the feather begin just below the bend, splaying out around it. It is a good forage grass.
Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

Source: Missouri Botanical Garden

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