Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23º03ʹ04.2ʺN 104º51ʹ09.7ʺE, steep rocky slopes near mountain top composed with eroded stratified highly eroded limestone at elevation 1200-1450 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial herb among exposed mossy rocks. Flowers light violet. Common. 24 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 812.
Coordinates (geographic position):23° 3′ 4.2″ N, 104° 51′ 9.7″ E ±1000 mComment:
Record creation: 2019-05-03, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01049676 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01049676