Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Old secondary evergreen broad-leaved forest and scrub on very steep rocky slope composed by white crystalline marble-like highly eroded limestone above tall cliff around point 22º27’36’’N 105º39’18’E at elevation of about 300 m a.s.l. Terrestrial herb with underground rhizome and almost black very rigid leaves on shady rocky slope. Locally common.
25 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2878.
Record creation: 2024-06-17, Аверьянов Леонид Владимирович. Processing status: work_status_1Citation: Specimen LE 01124893 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01124893