Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng Mountain. Primary and secondary broad-leaved forest on steep mountain slopes composed of sandstone and gray shale at elevation 1300-1500 m a.s.l. around point 19°13’53.4’’N 104°12’09.7’’E.
Record creation: 2026-03-19, Galina Savich, PhotoScan D2Citation: Specimen LE 01317464 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317464