Description from
Flora of China
Microchloa kunthii Desvaux, Mém. Soc. Agric. Angers 1: 179. 1831.
Plants perennial, slightly stouter, base often fibrous, 22–60 cm tall. Raceme (7–)15–20(–25) cm, 1–1.5 mm wide. Spikelets 2.5–4 mm.
Dry open places, especially in rock fissures. Yunnan [throughout the tropics, except Australia].