Quang Binh Prov., Minh Hoa Distr., Dan Hoa Municipality, to the EEN of Bai Dinh village around point 17°45’27”N 105°47’46”E. Primary broad-leaved closed wet forest on very steep rocky slopes and cliffs of low remnant mountains composed with highly eroded solid marble-like limestone at elevation about 600-700 m a.s.l. Terrestrial herb to 0.6 m tall on shale alluvial steep slope. Flowers light blue-violet. Not common.
Record creation: 2026-10-13, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360645 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360645