灰绿碱茅 hui lü jian mao

Atropis distans (Jacquin) Grisebach var. glauca Regel, Trudy Imp. S.-Peterburgsk. Bot. Sada 7: 623. 1881; A. glauca (Regel) V. I. Kreczetowicz.

Perennial, tufted, grayish green. Culms 20–50 cm tall. Leaf blades flat or conduplicate, 5–15 cm, 1.5–2.5 mm wide. Panicle open, 6–15 cm; branches 2 or 3 per node, 3–8 cm, scabrid, tips with a few spikelets, nodding at maturity. Spikelets 5–6 mm, florets 3–5; lower glume ca. 1.5 mm, upper glume 1.8–2 mm, apex obtuse; lemmas obovate, 1.8–2.4 mm, base pubescent, veins inconspicuous, apex rounded; palea keels scabrid-ciliolate; anthers 0.5–0.8 mm. Fl. Jun–Aug. 2n = 42.

Mountainous areas, river valleys, sandy places, fields. Qinghai, Sichuan, Xinjiang [Afghanistan, India, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan].