Vietnam, Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Municipality, around Ban On village (17º40'21''N, 105º58'00''E). Primary closed evergreen broad-leaved lowland forest on steep slopes and on tops of rocky ridge composed with solid marble-like highly eroded stratified crystalline limestone at elevation about 500-620 m a.s.l. Lithophytic and terrestrial herb on very steep rocky slope. Leaves and flowers of typical coloration. Common.
Record creation: 2021-03-23, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01090582 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01090582