L.K.Escobar (Harms) 1987 - Escobar LK (1987) A Taxonomic Revision of the Varieties of Passiflora cumbalensis (Passifloraceae). Systematic Botany 12: 238-250. doi: 10.2307/2419318.
There is no corrections for Passiflora cumbalensis var. macrochlamys yet.