Laos, Khammoune prov., Boualapa distr., Langkhang village, steep southern slopes of sandstone ridge allied to the road from the north between points 17°34′02.2″N 105°42′42.6″E, 200 m and 17°34′51.1″N 105°43′01.2″E, 535 m a.s.l.
Primary lowland semideciduous and evergreen dry forest on very steep rocky slopes.
Epiphyte on tall tree on steep rocky slope. Rare.
15 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, AL 1088. Flowered in cult. 05 August 2018. Photo. L. Averyanov.