类雀麦 lei que mai

Bromopsis ramosa (Hudson) Holub; Bromus asper Murray; Forasaccus asper (Murray) Bubani; Zerna aspera (Murray) Panzer; Z. ramosa (Hudson) Lindman.

Perennial. Culms loosely tufted, erect, 60–150 cm tall, ca. 6 mm in diam., 7–8-noded; densely and shortly pubescent. Leaf sheaths pubescent with reflexed 1–2 mm hairs, narrow auricles present at mouth; leaf blades soft, 10–40 cm × 7–15 mm, scattered pubescent; ligule ca. 2 mm, glabrous. Panicle 15–40 cm, broad, loosely nodding; branches 2 per node, up to 20 cm, each bearing 2–9 spikelets, lowermost branches with ciliate bracts at base. Spikelets elliptic-oblong, 20–30 × 4–6 mm, florets 4–10; lower glume subulate, 6–8 mm, 1-veined, upper glume lanceolate, 9–11 mm, 3-veined, apex mucronate or shortly awned; lemmas lanceolate, 10–13 mm, 7-veined, veins and margins pubescent; awn 5–8 mm, straight; palea conspicuously shorter than lemma, keels minutely ciliate. Anthers 2–3 mm. Fl. and fr. Jun–Aug. x = 21; 2n = 42.

Thickets in forested areas, roadsides, grassy places; 2900–3500 m. Xizang (Yadong) [Kashmir, Pakistan; N Africa, SW Asia, Europe].

Bromus ramosus is closely related to B. benekenii, but they hybridize only very rarely.