Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Dau Cau 1 village, around point N 23.08650º E105.02312º, elevation of 750-900 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on steep rocky slopes near mountain tops. Lithophytic herb, flower white-violetish blue and purple, middle vein silver, common, 14 March 2019, Nguyen Sinh Khang et al., NSK 1210.
Record creation: 2023-04-21, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01124180 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01124180