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. Terrestrial rosulate herb on short tall grassland on alluvial slope along road. Flowers purple-violet. Common.
Record creation: 2026-03-19, Galina Savich, PhotoScan D2Citation: Specimen LE 01317507 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317507