Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, Phu Kha village, eastern slopes of Phu Xai Lai Leng mountain system.
Primary broad-leaved forest on steep eastern granite slopes of Phu Xai Lai Leng Mountain at elevation 1700- 2300 m a.s.l. around point 19°12’54’’N 104°12’01’’E. Terrestrial herb to 1.5 m tall in open grassland along road. Common.
Record creation: 2026-03-19, Galina Savich, PhotoScan D2Citation: Specimen LE 01317479 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317479