Cao Bang Prov., Nguyen Binh Distr., Ca Thanh Municipality, Cao Lu village, around point 22°42'47.7"N, 105°51'50.8"E. Primary coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1300 m a.s.l. Lithophytic herb to 1 m tall on open cliff. Flowers yellow. Common.
Record creation: 2026-03-11, Galina Savich, PhotoScan D2Citation: Specimen LE 01317164 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317164