N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thanh Nhat (N. 22°41' E 106°40'), about 42 km to E from Cao Bang town. Primary open. coniferous and mixed semideciduous forest along tops of remnant. limestone ridge at 600 m alt. Epilite herb on open rocks. Not rare at. 500-600 m alt. Ripe fruits blue ?. No CBL 719 27 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° 41′ 0″ N, 106° 40′ 0″ E ±1000 mRecord creation: 2019-02-22, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01049895 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049895