Dak Nong Province, Dak Song District, Nam Nung Protected Area, dry evergreen broad-leaved submontane forest on basalt and sandstone at elevation 800-900 m a.s.l. Clustering epiphyte on tall tree. Occasional. 25 October 2019, L. Averyanov, Nguyen Van Canh, T. Maisak, AL 1183.9
Herbarium prepared in 23.03.2020, tepals olive to brown, lip white to light yellowish with many small purple marks, median lobe yellow, column and column foot yellow with many purple streaks, anther yellow. L. Averyanov. AL 1183.9.1.