N. Vietnam, prov. Cao Bang, distr. Nguyen Binh, municipality Ca Thanh, vicinities of Ta Phinh village (N 22°44′ E 105°50′). Primary closed evergreen broadleaved forest on steep slopes and bluffs of remnant karst limestone ridge at 1200-1300 m elev. Climbing shrub up to 4-5 m hg in open places. Flowers white. Not common. CBL 1569 19 April 1999 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98) Collectors: P.K.Loc, P.H.Hoang, Averyanov L.
Coordinates (geographic position):22° 44′ N, 105° 50′ E ±1000 mRecord creation: 2021-11-09, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01077263 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077263