Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, Phu Kha village, eastern slopes of Phu Xai Lai Leng mountain system.
Primary broad-leaved humid forest on steep granite slopes elevation about 2350 m a.s.l. around point 19°12’21.2’’N 104°11’28.9’’E. Herb 80 cm, Flower white, very common.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317429 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317429