Northern Vietnam, Lao Cai Prov., Van Ban Distr., to the west of Nam Xay village (21°58′18′'N, 104°00′24′'E). Primary coniferous (with Fokienia hodginsii) evergreen montane forest at elev. 1700 m a.s.l. Lithophytic and terrestrial herb on steep shady granite rocky slope. Leaves deep green. Not common.