N. Vietnam, prov. Cao Bang, distr. Bao Lac, municipality Dinh Phung, about 5 km to NW from Yen Lac village (N 22°44′ E 105°50′), 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 herb up to 1.5 m hg on steep slopes. Common. CBL 484 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.
Coordinates (geographic position):22° 44′ N, 105° 50′ E ±1000 mRecord creation: 2019-08-29, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01055943 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01055943