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 1208.
Comment:
Probably new, not yet described species.
Record creation: 2019-12-31, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01058697 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058697