Ha Giang Prov., Quan Ba Distr., Bat Dai Son Nature Reserve, Bat Dai Son Commune, Pai Chu Phin Village, around point 23º07ʹ54.9ʺN 104º59ʹ24.1ʺE, 1000-1220 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and coniferous humid forest (with Pseudotsuga sinensis) on steep rocky slopes near mountain tops. Epiphyte and occasionally lithophyte. Flowers white, lip with purple marks. Rare. 31 November 2022, Nguyen Sinh Khang, AL 2192.
Record creation: 2023-03-07, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01123887 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01123887