Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23º03ʹ41.5ʺN 104º50ʹ41.6ʺE, steep rocky slopes near mountain top composed with eroded stratified highly eroded limestone at elevation 1200-1400 m a.s.l. Primary evergreen broad-leaved very humid forest. Terrestrial herb to 1 m tall in open wet place. Flowers dark brown-violet. Not rare. 22 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 658 (HN, LE01049648, LE01049688).
Record creation: 2025-09-16 Galina Savich, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01282464 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01282464