Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Lung Vay village, around point 23º06ʹ02.6ʺN 105º03ʹ04.5ʺE, 1200-1305 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. Erect terrestrial herb with semiwoody stem to 0.40 cm tall among shady rocks. Leaves uniform green. Fruits brown, globular prickly-papillose, 5-7 mm in diameter. Not common. 15 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 201 (HN, LE01054358).
Record creation: 2025-11-02, Galina Savich, PhotoScan D2Citation: Specimen LE 01277637 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01277637