矮碱茅 ai jian mao

Atropis humilis Litvinov ex V. I. Kreczetowicz in Komarov, Fl. URSS 2: 759. 1932; Puccinellia hackeliana subsp. humilis (Litvinov ex V. I. Kreczetowicz) Tzvelev.

Perennial, densely tufted, grayish green. Culms erect, 4–15 cm tall. Leaf blades conduplicate or inrolled, 1–3 cm, ca. 1 mm wide, smooth. Panicle dense, spikelike, 2–5 × 0.5–1 cm; branches smooth, spikelets 1–3. Spikelets 6–7 mm, florets 3–6; lower glume ca. 2.2 mm, upper glume 2.5–3 mm; lemmas 2.5–3.5 mm, violet, base shortly hairy, apex subobtuse; palea keels scabrid on upper part; anthers 0.7–1.2 mm. Fl. Jun–Jul.

Alpine grassy slopes; 3000–4200 m. Xinjiang, Xizang [Afghanistan, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Uzbekistan].