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 erect herb to 1 m tall in shady wet alluvial rocky valley of small stream. Flower buds light pinkish. Locally common.
HAL 12529 11 February 2009 Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, L.T.Son.
Coordinates (geographic position):17° 45′ 27″ N, 105° 47′ 46″ E ±1000 mRecord creation: 2021-11-09, Leonid Averyanov, PhotoScan D2Citation: Specimen LE 01077216 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01077216