Andropogon munroi C. B. Clarke

This species lies on the boundary between Andropogon and Cym-bopogon and is sometimes placed in the latter genus on account of its reflexing racemes and homogamous spikelets. However, the slender, unequal raceme bases and frequently subdigitate, longer racemes are typical of Andropogon. As far as is known, the leaf blades do not contain aromatic oils. The yellowish, strongly keeled basal sheaths are characteristic of this species.

Robust specimens, often with several racemes per spathe, a hairy peduncle, and shallowly grooved sessile spikelets, have been separated as Andropogon tristis. However, there are many intermediates, which make a division into two species impracticable.

Perennial from tough rootstock, rhizomatous; basal sheaths crowded, pale yellow, papery, strongly keeled. Culms tufted, 30–100 cm tall. Leaf sheaths glabrous; leaf blades narrowly linear, flat or folded, tough, 15–25 × 0.2–0.4 cm, scaberulous, often with scattered long tubercle-based hairs especially on adaxial surface, midrib white, apex finely acuminate; ligule 1.5–4 mm. Inflorescence a sparse spathate panicle, spathate clusters few, often purplish; spatheoles very slender, terete, 2.5–4 cm; racemes paired or frequently branching, then subdigitate along a short axis, 2–4 cm, finally reflexing, lowest spikelet pair homogamous; peduncle glabrous or pilose; rachis internodes and pedicels slender, ciliate, tips cupular, irregularly toothed. Sessile spikelet narrowly oblong, 4.5–6.5 mm; lower glume leathery, deeply to shallowly concave, keels rounded below middle, sharp and scabrid above, glabrous or puberulous in groove, veinless or 1-veined above groove, apex 2-toothed; upper glume awnless; upper lemma 2-lobed, lobes filiform; awn 1–1.6 cm. Pedicelled spikelet 4.5–6 mm, awnless. Fl. and fr. Jun–Nov.

Tufted perennial; culms 30-150 cm high. Leaf-blades up to 30 cm long, 3–7 mm wide, glabrous or pubescent. Inflorescence composed of 2-4(-8) racemes, terminal or with 1-2 axillary branches; racemes 2.5-7.5 cm long, green, sessile or supported by a short raceme–base 4–8 mm long; internodes linear, widening above to a cupuliform tip with scarious denticulate rim. Sessile spikelet narrowly elliptic-oblong, 4.5-6.5 mm long; lower glume concave on the back, the keels dorsal, wingless, intercarinal nerves or 1 vanishing below the middle; upper glume wingless on the keel; upper lemma hyaline, bibbed to about the middle, with an awn 8-15 mm long. Pedicelled spikelet narrowly elliptic–oblong, 4.5–6.5 mm long.

Himalaya (Kashmir to Nepal), Assam.

Sichuan, S Xizang, Yunnan (Yongsheng, Ninglang) [Bhutan, N India, Nepal, Pakistan].

Distribution: Kashmir; India (Himalayas and Naga Hills), Nepal and southern Tibet.

2100-4000 m

Mountainsides, dry open places in scrub; 2000–4500 m.

Andropogon gyirongensis L. Liu; A. hookeri Munro ex Hackel; A. tristis Nees ex Hackel; A. yunnanensis Hackel; Cym-bopogon hookeri (Munro ex Hackel) Stapf ex Bor; C. tibeticus Bor.

Andropogon munroi là một loài thực vật có hoa trong họ Hòa thảo. Loài này được C.B.Clarke mô tả khoa học đầu tiên năm 1889.

西藏须芒草（学名：Andropogon munroi）为禾本科须芒草属下的一个种。