Hoa Binh Prov., Lac Son Distr., Ngoc Son Municipality, Khu village, around point 20°26’31”N 105°19’32”E. Primary broadleaved forest on steep rocky slopes of remnant mountain composed with solid crystalline highly eroded limestone at elevation about 550-650 m a.s.l. Lithophytic herb on shady rocky slope near ridge top. Flowers yellowish & purple. Not rare.
Record creation: 2021-03-22, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01090549 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01090549