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

23. Leymus aemulans (Nevski) Tzvelev, Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR. 20: 430. 1960.

阿英赖草 a ying lai cao

Aneurolepidium aemulans Nevski, Trudy Bot. Inst. Akad. Nauk SSSR, Ser. 1, Fl. Sist. Vyssh. Rast. 1: 17. 1933; Elymus aemulans (Nevski) Nikiforova.

Culms densely tufted, slender, smooth, glabrous. Leaf blade glaucous green, linear, flat or subinvolute, to 2.5 cm wide, abaxial surface smooth, adaxial surface scabrous. Spike erect, lax, 5–10 cm. Spikelets 1 at each node, pale green, 1.5–2 cm, with 3–5 florets. Glumes subulate-linear, somewhat lanceolate and broadened at base, gradually tapering toward apex, 0.5–0.75 mm wide, veinless, glabrous; proximal glume 0.3–0.6 cm, apex acute or shortly aristate; distal glume 0.6–1.2 cm, apex with awn. Lemma broadly lanceolate, (0.9–)1–1.2 cm, obscurely 5-veined, smooth, glabrous; awn 2–5 mm, scabrous. Fl. and fr. May–Jun. 2n = 28.

Stony slopes. Xinjiang [Kazakhstan, Kyrgyzstan, Russia, Turkmenistan, Uzbekistan].


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