N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thang Loi,. vicinities of Lung Sam village (N 22°45' E 106°42'). Secondary wet. evergreen broadleaved forest with remnants of primary elements on. steep slopes and bluffs of karst remnant limestone ridge at 550-600 m. elev. Lithophyte herb on open rocks and vertical cliffs of NW. exposition. Flowers white with green center. Very common. No CBL 1678 24 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° 45′ N, 106° 42′ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049901 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049901