Bac Kan Province, Ba Be District, Nam Mau Commune, Nam Dai Village. Dry evergreen broad-leaved forest on steep rocky slopes composed by white to gray crystalline marble-like limestone around point 22º25’20’’N 105º35’03’E at elev. of about 650 m a.s.l. Lithophytic and terrestrial herb among shady rocks. Leaves dark green, with white medial nerve, flowers white outside, dark purple inside. Locally common.
17 October 2023. Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, Nguyen Van Ly, T. Maisak, AL2266.
Record creation: 2023-10-26, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01124380 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01124380