Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21ш57'41''N, 104ш13'29''E). Primary evergreen broad-leaved and mixed montane forests (with Fokienia hodginsii) along granite and quartzite ridge at elev. 2000-2100 m a.s.l. Treelet 4-5 m hg. Flowers deep pink, deep purple inside, near the base of tube. Common.