Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23º08ʹ55.1ʺN 104º59ʹ45.7ʺE, 1100-1200 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on very steep rocky slopes. Creeping lithophytic herb on exposed mossy rocks, or occasionally epiphyte on mossy rocks near mountain top. Leaves purple-violet below. Not rare. 13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 048.
Record creation: 2019-06-18, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01058088 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01058088