Bac Kan Province, Ba Be District, Cao Thuong Community, Ba Be National Park. Primary and old secondary evergreen broad-leaved forest on very steep rocky slopes composed by white crystalline marble-like highly eroded limestone around point 22º27’20’’N 105º36’06’E at elevation of about 750 m a.s.l. Epiphyte on tall trees along ridge edge above tall cliff. Occasional.
23 April 2024, Nguyen Huu Cuong, Chu Ngoc Quan, L. Averyanov, T. Maisak, AL2855.
Flowered in culture on 11 March 2026, L. Averyanov, AL2855.
Record creation: 2026-03-11, Аверьянов Леонид ВладимировичCitation: Specimen LE 01203963 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01203963