Northern Vietnam, Ninh Binh Prov., Nho Quan Distr., Cuc Phuong Municipality, Cuc Phuong National Park, about 0.5 km W from Bong locality, 20°21′01′'N, 105°35′38′'E. Primary closed evergreen seasonal broad-leaved lowland forest on steep rocky slopes of limestone hills at elev. about 400-450 m a.s.l. Lithophytic creeping herb on mossy rock outcrops on tops of hills. Leaves uniform light green. Rare. HAL 1670 20 May 2002 Collectors: L.Averyanov, P.K.Loc, M.V.Sinh, N.X.Tam, N.T.Vinh.
Coordinates (geographic position):20° 21′ 1″ N, 105° 35′ 38″ E ±1000 mRecord creation: 2020-10-31, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074369 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074369