Flowered and collected in the garden of the Komarov Botanical Institute in 1 March 2019, L. Averyanov, AL 489. Photos.
Holotype: From a plant in cultivation at the Botanical Garden Munich (accession-nr. 97/2369) collected by J. BOGNER (BOGNER 2346) in Vietnam, Prov. Ninh Binh, Cuc Phuong, March 1997. TILLICH 4358 (M), including flowers at the liquid collection at (M).
Distribution: The species is known from the type locality only.