N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Dinh Phung, about 5 km to NW from Yen Lac village (N 22ø44' E 105ø50'), about 50
km to NWW from Cao Bang town. Old secondary closed broadleaved wet cloud forest on steep slopes and cliffs along top of Nam Linh
limestone ridge at 1500-1580 m alt. Terrestrial and epilite herb. Leaves light green, violet veined. Rare.
No CBL 492 19 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.
Record creation: 2026-07-09, Galina Savich, PhotoScan D2Citation: Specimen LE 01317031 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317031