3d. Trisetum spicatum subsp. virescens (Regel) Tzvelev, Novosti Sist. Vyssh. Rast. 7: 65. 1971 [“1970”].
喜马拉雅穗三毛 xi ma la ya sui san mao
Avena flavescens var. virescens Regel, Bull. Soc. Imp. Naturalistes Moscou 41(2): 299. 1868; A. virescens (Regel) Regel; Trisetum spicatum subsp. himalaicum Hultén ex Veldkamp; T. virescens (Regel) Roshevitz (1924), not Nees ex Steudel (1854).
Plant (20–)30–60 cm. Culms pubescent, leaf blades and sheaths densely pubescent to glabrous. Panicle linear to narrowly oblong, often interrupted below, 5–7(–11) cm, green or brownish. Spikelets with 2(–3) florets; lower glume 3.5–4.8 mm, upper glume 4.3–5.6 mm; lowest lemma 4–5.5 mm, scaberulous, apex entire or 2-denticulate; awn 3–5 mm, outwardly curved near base, not twisted.
Alpine grasslands, meadows, often on damp sand or gravel; 3200–5000 m. Qinghai, Sichuan, Xinjiang, Xizang, Yunnan [Bhutan, N India, Kazakhstan, Kyrgyzstan, Nepal, N Pakistan, Tajikistan].
"Trisetum spicatum var. himalaicum (Hultén) P. C. Kuo & Z. L. Wu," as given in FRPS (9(3): 141. 1987), was not validly published because "T. spicatum subsp. himalaicum Hultén" (Svensk Bot. Tidskr. 53: 213. 1959), on which it was based, was also not validly published because no type was indicated.