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. Lithophytic creeping herb on open mossy rocks. Occasionally epiphytic. Flowers pale yellow, lip brownish. Not rare.
13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 087 Photos.
Record creation: 2019-05-03, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01054076 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01054076