Ha Giang Prov., Quan Ba Distr., Tung Vai Commune, Kho My Village, around point 23.08460°N 104.88377°E steep rocky slopes composed with highly eroded limestone at elevation 1000–1250 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial herb 1 m tall in open rocky place. Flowers bright yellow, “lip bright orange-brown”. Locally common. 6 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1403a (HN, LE01061304). Det.: Sheng Xiang Yu & K.S. Nguyen 14.10.2019.