Ha Giang prov., Quan Ba distr., Cao Ma Po commune, Va Thang 1 village, around point 23º05ʹ52.6ʺN 104º51ʹ26.4ʺE, steep alluvial slopes and flattened mountain summits based on limestone at elevation 1400–1480 m a.s.l. Primary evergreen broad-leaved very humid forest. Creeping epiphytic vine or scandent undershrub with shoots to 1 m long on mossy trees on steep shady slope. White outside, brown-purple to purple inside. Very common. 22 October 2018, L. Averyanov, Nguyen Sinh Khang, T. Maisak, Truong Duc Thieu, VR 1213.
Coordinates (geographic position):23° 5′ 52.6″ N, 104° 51′ 26.4″ E ±1000 mComment:
Record creation: 2019-07-17, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01055966 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055966