Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (around point 21°58′09′'N, 104°00′55′'E). Primary broad-leaved evergreen montane forest with bamboo along tops of granite/quartzite ridge at elev. 1800 m a.s.l. Terrestrial herb in shady place. Fruits blue. Very common. Usual co-dominant of herb stratum.