Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23º08ʹ55.1ʺN 104º59ʹ45.7ʺE, 1100-1290 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen coniferous humid forest with Pseudotsuga sinensis on rocky mountain tops and ridges. Creeping lithophytic vine to 1.5 m long with large erect pseudobulbs. Flowers yellowish. Locally very common.
13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 027 Photo.
Record creation: 2019-03-16, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01050470 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01050470