Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (1 km to the W of point 21°59′00′'N, 104°02′00′'E). Primary broad-leaved evergreen submontane forest with Fokienia hodginsii (as emergent) on granite and quartzite very steep slopes at elev. 1300-1400 m a.s.l. Epiphytic tuberiferous shrub on Fokienia. Flowers light greenish-white, tepals with median wide pink stripe. Very common. Usual co-dominant of epiphytic plant communities on old Fokienia and Dacrycarpus samples.