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. Terrestrial rhizomatous herb in shady place. Rare. 14 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 161.
Fl. in cult. on 19 04 2023, L. Averyanov VR161
Record creation: 2023-04-26, Daria Yudova, PhotoScan D2.. Processing status: work_status_1Citation: Specimen LE 01170563 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01170563