N. Viet Nam. Ha Giang Province, Quang Ba District, Bat dai Son. Primary forest on limestone with Biota sp., Fraxinus, Quercus, Pseudotsuga, Acer and Taxus dominants along ridge and below peak at elev. 1100-1200 m (about 23°07′N 105°02′E). Common epiphytic and lithophytic vine with young inflorescences. DKH 5171 5 April 2000 Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.
Record creation: 2020-12-24, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01075816 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075816