Hoa Binh Prov., Lac Son Distr., Ngoc Son Municipality, Khu Village, Khu Na Mt., around point 20°26'43"N 105°19'57"E. In heavily logged closed primary and secondary evergreen broad-leaved forest on foot and slope of limestone mts., at elevation about 530-650 m a.s.l. Evergreen scandent shrub, epiphyte on Ficus spp. et al. Occasional common. CPC 1693 29 March 2011 Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.
Coordinates (geographic position):20° 26′ 43″ N, 105° 19′ 57″ E ±1000 mRecord creation: 2019-01-13, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01048829 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01048829