N. Viet Nam. Ha Giang Province, Quang Ba District, Bat Dai Son village. Primary forest on limestone with Quercus, Pseudotsuga and Podocarpus along Chung Ti Tei ridge at elev. 1100-1260 m, 28°08′11″N, 105°00′48″E. Frequent lithophyte. DKH 5280 4 April 2000 Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.
Coordinates (geographic position):28° 8′ 11″ N, 105° 0′ 48″ E ±1000 mRecord creation: 2020-12-24, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01075381 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075381