华须芒草 hua xu mang cao

Homoeatherum chinense Nees in Lindley, Nat. Syst. Bot., ed. 2., 448. 1836; Andropogon apricus Trinius var. chinensis (Nees) Hackel; A. ascinodis C. B. Clarke.

Perennial. Culms tufted, 40–100 cm tall. Leaf sheaths glabrous or pilose; leaf blades linear, flat or involute when dry, 8–25 × 0.2–0.3 cm, both surfaces pilose or abaxial surface glabrous; ligule 1–2.5 mm. Inflorescence a scanty spathate compound panicle; spatheoles linear; racemes paired, 1.5–3(–5) cm, exserted from spatheole; peduncle puberulous; rachis internodes and pedicels cuneate, margins ciliate with 1–3 mm hairs, tips cupular, obliquely toothed. Sessile spikelet linear, ca. 5 mm; lower glume deeply concave between dorsal keels, glabrous, apex acute or 2-toothed; upper glume awned, awn 6–10 mm; upper lemma 2-lobed; awn 2–3 cm. Anthers ca. 3 mm. Pedicelled spikelet oblong-lanceolate, 3.5–4.5 mm, 2-awned; awn of lower glume 4–10 mm, awn of upper glume much shorter. Fl. and fr. Aug–Dec.

Open grassy hillsides; below 800 m. Guangdong, Guangxi, Hainan, Sichuan, Yunnan [Cambodia, India, Laos, Myanmar, Thailand, Vietnam; Africa, SW Asia (Yemen)].