FLORA OF VIETNAM Ericaceae Rhododendron ciliicalyx Franch.
Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point 21°57′41′'N, 104°13′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. Shrub or treelet 2-3 m hg. Flowers light yellow, tube with deep olive-green center. Not rare.