Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Thanh Van commune, Mo Sai village, around point 23º07ʹ46.4ʺN 104º57ʹ56.2ʺE, at elevation 1000-1190 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and mixed (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Woody vine 6-8 m long on open mossy rocks on rocky mountain slope. Gynoecium green, young leaves dull reddish-brown. Rare. 18 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 415.
Coordinates (geographic position):23° 7′ 46.4″ N, 104° 57′ 56.2″ E ±1000 mComment:
Record creation: 2019-08-02, Аверьянов Леонид ВладимировичCitation: Specimen LE 01061449 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01061449