FLORA OF VIETNAM
Orchidaceae
Odontochilus elwesii Hook.f.

Ha Giang prov., Quan Ba distr., Cao Ma Po commune, Va Thang 1 village, around point 23°05ʹ52.6ʺN 104°51ʹ26.4ʺE, steep alluvial slopes and flattened mountain summits based on limestone at elevation 1400–1480 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial creeping ascending herb in shady place. Leaves dark purple to almost black. Not common. 22 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1226. Flowered in 25 September 2018. Photos. L. Averyanov VR 1226.1 (LE01058756).