N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Ca Thanh,. about 3 km to SW from Yen Lac village (N 22°44' E 105°50'), about 42. km to NWW from Cao Bang town. Secondary evegreen wet closed. broadleaved forest on alluvial foothills of limestone remnant ridge at. 1250-1300 m alt. Shrublet up to 1 m hg on shadow rocks. Not rare. No CBL 380 18 Nov. 1998. International Botanical Expedition of the U.S.A. National Geographic. Society (grant No 6300-98). Collectors: Averyanov L., P.K.Loc, N.X.Tam.
Coordinates (geographic position):22° 44′ N, 105° 50′ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049279 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049279