Dak Lak Province, Yok Don National Park, open dipterocarp forest and woodlands with low bamboo at elevations 200-300 m a.s.l. Terrestrial tuberiferous herb in seasonally flooded and wet soil. Very rare (square of population about 500 m2). 7 June 2019, Nguyen Van Canh, AL 1109. Det.: L. Averyanov 07.06.2019.