N. Vietnam, prov. Cao Bang, distr. Thach An, about 28 km to SE from Cao Bang town (N 22ø29' E 106ø28). Primary evergreen broadleaved closed forest on steep slopes of remnant limestone ridge at 300-450 m alt. Epiphyte. Flowers odourless, white; gypochile yellow with brown stripes, base of white epichile with yellow and purple keels. Not rare.
No CBL 957 06 Dec. 1998
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)
Collectors: Averyanov L., N.Q.Binh, N.X.Tam.
Coordinates (geographic position):22° 29′ N, 106° 28′ E ±1000 mRecord creation: 2020-10-03, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01069498 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01069498