双药芒 shuang yao mang

Erianthus nudipes Grisebach, Nachr. Königl. Ges. Wiss. Georg-Augusts-Univ. 3: 92. 1868; ?Diandranthus aristatus L. Liu; D. brevipilus (Handel-Mazetti) L. Liu; D. corymbosus L. Liu; D. eulalioides (Keng) L. Liu; D. nudipes (Grisebach) L. Liu; ?D. ramosus L. Liu; D. szechuanensis (Keng ex S. L. Zhong) L. Liu; D. taylorii (Bor) L. Liu; D. tibeticus L. Liu; D. wardii (Bor) L. Liu; D. yunnanensis (A. Camus) L. Liu; Mis-canthus brevipilus Handel-Mazzetti; M. eulalioides Keng; M. nudipes subsp. yunnanensis A. Camus; M. szechuanensis Keng ex S. L. Zhong; M. taylorii Bor; M. wardii Bor; M. yunnanensis (A. Camus) Keng.

Plant tufted. Culms erect, 25–120 cm tall, unbranched, 3–5-noded, nodes glabrous. Leaves basal and cauline; leaf sheaths pilose, glabrescent; leaf blades linear, flat or folded, 10–40 cm × 0.15–0.8 cm, pilose, base straight or rounded, apex tapering to a fine point; ligule 1–1.5 mm, dorsally ciliate. Panicle 10–30 cm; axis 3–20 cm, glabrous or pilose. Racemes 4–20, 5–20 cm; rachis pilose; lower pedicel 0.5–1.5 mm, or lower spikelet subsessile, upper pedicel 1.5–4 mm; pubescent apex. Spikelets 4–6.5 mm, pilose, awned; callus hairs 1–5 mm, purple or white; glumes subequal, membranous, 5–7-veined, pilose, margins hyaline, apex acute to 2-toothed or truncate; lower lemma membranous or hyaline, 3.5–6 mm, 0–1-veined, apex acute or obtuse; upper lemma membranous or hyaline, 2.5–5 mm, 0–1-veined, 2-toothed, the teeth finely acuminate, or apex entire; awn geniculate or flexuous, 6–11 mm; upper palea 2–5 mm. Anthers 2, 2–3.5 mm. Caryopsis fusoid, ca. 2 mm.

Mountain slopes; 1000–3600 m. Guizhou, Sichuan, Xizang, Yunnan [Bhutan, India (Assam, Sikkim), Nepal].