Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng Mountain. Primary very humid broad-leaved forest on steep mountain slopes composed of sandstone and gray shale at elevation about 2300 m a.s.l. around point 19°12’23.3’’N 104°11’33.7’’E. Tree 3-4 m tall (probably to 20 m tall) on steep slope. Flowers yellowish. Common.
Record creation: 2026-02-24, Galina Savich, PhotoScan D2Citation: Specimen LE 01318817 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318817