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FOC | Family List | FOC Vol. 22 | Poaceae | Deyeuxia

33. Deyeuxia kokonorica (Keng ex Tzvelev) S. L. Lu, Fl. Reipubl. Popularis Sin. 9(3): 216. 1987.

青海野青茅 qing hai ye qing mao

Calamagrostis kokonorica Keng ex Tzvelev, Rast. Tsentr. Azii 4: 84. 1968.

Perennial, loosely tufted. Culms erect, 10–40 cm tall, 1–1.5 mm in diam., usually 2–3-noded. Leaf sheaths scabrid; leaf blades flat or involute, 3–10(–12) cm, (0.5–)1.5–4 mm wide, adaxial surface and margins scabrid, abaxial surface smooth; ligule 1–3 mm, obtuse, denticulate. Panicle contracted, spikelike, narrowly oblong in outline, 2–6.5 × 0.6–1 cm; branches short, erect, scabrid. Spikelets 3–5 mm, purple, bronze at apex; glumes broadly lanceolate, subequal, lower glume 1-veined, upper glume 3-veined, scabrid or minutely hispid, apex acute; callus hairs laterally 2/3–4/5 length of lemma, much shorter at lemma back; lemma 2.5–3.5 mm, scabrid or minutely hispid above middle, apex denticulate; awn sub-basal, 2–3 mm, erect or slightly curved, lower part slightly twisted; palea slightly shorter than lemma, purple along keels; rachilla ca. 1.5 mm, including hairs 2.5–3.5 mm. Anthers ca. 2 mm. Fl. Aug–Sep.

* Alpine meadows, especially lakeside banks; 3000–4500 m. Gansu, Qinghai.


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