Southern Vietnam, Dak Lak province, M Drak district, Chu Mu Mountain, evergreen broad-leaved forest, about 1800-2000 m a.s.l., small epiphytis semiwoody vine to 2 m long, not common, 16 September 2017, Nguyen Van Khuong, Pham Thi Thanh Dat, AL 447. Fl. and collected in culture, flowers almost white, apex of tepals a little pinkish, 13 October 2018 in N.V. Canh Garden, Buon Ma Thuot City. Photos.