N.Vietnam, Ha Tinh Prov., Huong Son Distr., Son Kim Municipality, Rao Bun stream around point 18°23′39′'N, 105°15′12′'E. Primary broad-leaved evergreen closed wet forest on very steep shale slopes of river canyon at elevation about 300-400 m a.s.l. Creeping epiphytic vine up to 8 m long. Occasional. HAL 5098 4 May 2004 Collectors: P.K.Loc, L.Averyanov, P.V.The, N.T.Vinh.
Coordinates (geographic position):18° 23′ 39″ N, 105° 15′ 12″ E ±1000 mRecord creation: 2022-01-18, Galina Savich, PhotoScan D2Citation: Specimen LE 01078000 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01078000