FLORA OF VIETNAM. Fam. Ericaceae. Vaccinium sp. N. Vietnam, prov. Lai Chau, distr. Sin Ho, municipality Ta Ngau about. 30 km of Lai Chau town to the N (N 22°18' E 103°15'). Secondary open. wet mossy evergreen broadleaved forest with remnants of primary. elements on rocky steep slope of remnant karst limestone ridge at. elev. about 1650 m. Climbing shrub 2-3 m hg on steep slope. Flowers. dull green, tepals with dirty purple-brownish central longitudinal. stripe. Not common. No NTH 2775   25 May 1999. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 6300-98). . Collectors: N.T.Hiep, P.H.Hoang, Averyanov L.