N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Primary evergreen broadleaved closed forest on very steep rocky slope of karst remnant limestone ridge at elev. 550-600 m a.s.l. Forb creeping epiphytic vine up to 10 m lg. Rare. NTH 3711 20 Oct. 1999 Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.
Coordinates (geographic position):22° 17′ N, 106° 3′ E ±1000 mRecord creation: 2019-08-29, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01058610 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058610