N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thang Loi, vicinities of Ban Hao (N 22°43′ E 106°40′), about 43 km to E from Cao Bang town. Secondary semideciduous broadleaved open forest along tops of remnant limestone ridge at 700 m alt. Epilite. Very common. CBL 682 26 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° 43′ N, 106° 40′ E ±1000 mRecord creation: 2019-11-02, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01059585 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01059585