Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23º03ʹ04.2ʺN 104º51ʹ09.7ʺE, steep rocky slopes near mountain top composed with eroded stratified highly eroded limestone at elevation 1200-1450 m a.s.l. Primary evergreen broad-leaved very humid forest. Herbaceous vine 3-4 m long in open place. Common. 24 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 841.
Coordinates (geographic position):23° 3′ 4.2″ N, 104° 51′ 9.7″ E ±1000 mComment:
Record creation: 2019-05-03, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01049727 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049727