Thanh Hoa Province, Quan Hoa District, Nam Dong Community, Ban Lo Village, Ke Stream, the territory of Nam Dong National Reserve around point 22º25’46’’N 105º36’58’E. Old secondary broad-leaved evergreen humid forest on wet very steep alluvial slopes based on solid, marble-like highly eroded limestone at elevation of 600–800 m a.s.l. Terrestrial rhizomatous herb on steep shady rocky slope. Occasional.
04 May 2024, Nguyen Huu Cuong, Nguyen Van Ly, L. Averyanov, T. Maisak, AL3015 (living plants only).
Flowered in culture on 5 January 2026, L. Averyanov, AL 3015
Record creation: 2026-01-26 Tatiana Maisak, PhotoScan D2Citation: Specimen LE 01318655 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318655