FLORA OF VIETNAM Orchidaceae Juss. Didymoplexis pallens Griff.
N. Vietnam, Hoa Binh prov., Da Bac distr., about 2-3 km to the E of Doan Ket village (20°54′55′'N, 105°02′18′'E). Primary broad-leaved evergreen mountain wet forest on silicate sandstones at elev. 900-1136 m a.s.l. Terrestrial tuberiferous saprophyte with pinkish-white stem Very rare.