Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (21°58′42′'N, 104°00′37′'E). Primary broad-leaved evergreen wet montane forest with Fokienia hodginsii (as emergent) on rocky slope at elev. 1650 m a.s.l. Herb 1-1.5 m hg on wet shady stream rocks. Flowers greenish-pink. Usual co-dominant of herb stratum, especially in wet places.