N. Vietnam, Prov. Quang Binh, distr. Minh Hoa, 72 km to NWW from Dong Hoi, municipalite Thong Hoa, vicinities of Yen Son village, limestone massif Ke Bang (N 17°40′ E 105°57′). Primary evergreen open broadleaved dry forest on top of limestone mesas at 550-600 m alt. Epilite on shadow vertical bluffs at 550-600 m alt. Not common, but occasionally abundant. VH 4670 16.05.1997 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 5803-96)
Collectors: L. Averyanov, N.T. Hiep, P.K. Loc
Coordinates (geographic position):17° 40′ N, 105° 57′ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01074128 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074128