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

31. Elymus sinkiangensis D. F. Cui, Bull. Bot. Res., Harbin. 10(3): 26. 1990.

新疆披碱草 xin jiang pi jian cao

Roegneria sinkiangensis (D. F. Cui) L. B. Cai.

Culms 60–80 cm tall, 2- or 3-noded. Leaf sheath smooth, glabrous, but retrorsely pubescent at base; ligule ca. 0.3 mm; leaf blade flat, 5–30 × 0.3–0.5 cm, abaxial surface smooth, glabrous, adaxial surface long pilose, margin ciliate. Spike erect, dense, 7–10 cm; rachis subglabrous, margin ciliate; internodes 4–7 mm. Spikelets 1 per node, 13–15(–18) mm, with 4 or 5(or 6) florets. Glumes lanceolate, 3–5-veined, hispidulous along veins, margin membranous, apex acuminate or with awn ca. 2 mm; proximal glume 9–10 mm including awn; distal glume 10–12 mm including awn. Lemma lanceolate, hispidulous distally and near margin; first lemma 10–12 mm; awn recurved, 20–35 mm, scabrous. Palea equaling lemma, ciliate along keels. Anthers yellow, 1.5–2 mm. Fl. and fr. Jul–Sep.

* Forest margins, mountain steppes; 1800–2100 m. Xinjiang.


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