Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Thanh Van commune, Mo Sai village, around point 23º07ʹ46.4ʺN 104º57ʹ56.2ʺE, at elevation 1000-1190 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved and mixed (with Pseudotsuga sinensis) humid forest on steep rocky slopes near mountain tops. Terrestrial herb to 1 m tall in open wet place of rocky mountain slope near mountain top. Flowers pink with reddish nerves. Rare. 18 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 352 (HN, LE01058191). Det.: Sheng Xiang Yu & K.S. Nguyen 14.10.2019
Coordinates (geographic position):23° 7′ 46.4″ N, 104° 57′ 56.2″ E ±1000 mComment:
Record creation: 2020-01-05, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01067036 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01067036