Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Dau Cau 1 village, around point 23º05ʹ26.3ʺN 105º01ʹ03.0ʺE, 1100-1150 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. Creeping lithophyte and occasionally epiphyte. Leaves dark purple below. Not rare. 14 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 156.
Record creation: 2019-05-03, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054086 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054086