Bac Kan Province, Ba Be District, Nam Mau Municipality, central part of Ba Be National Park. Rather dray evergreen broad-leaved old secondary forest with domination of Burretiodendron hsienmu and Streblus asper on crystalline highly eroded rocky limestone at elevation 600-750 m a.s.l. Terrestrial and lithophytic tuberiferous herb to 0.6 m tall on shady rocky slope. Occasional.
16 November 2022, Nguyen Huu Cuong, Cao Xuan Hai, L. Averyanov, T. Maisak, AL 1664.
Fl. in cult. on 08 August 2023, flowers light green, L. Averyanov, T. Maisak, AL 1664.
Record creation: 2023-08-22, Galina Savich, PhotoScan D2.. Processing status: work_status_1Citation: Specimen LE 01232592 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01232592