Vietnam, Quang Binh Prov., Quang Ninh Distr., Truong Son municipality, around Long Son village at 17°13′11″N 106°26′58″E. Secondary dry forest on the top of highly eroded karst limestone hill composed with gray solid limestone above high vertical cliff along Long Dai River at elevation about 300 m a.s.l. Lithophytic and epiphytic undershrub on vertical cliff. Very common. HAL 11481 11 April 2008 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang
Coordinates (geographic position):17° 13′ 11″ N, 106° 26′ 58″ E ±1000 mRecord creation: 2020-09-12, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01069199 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01069199