It has been placed in section Aranella and appears to be most closely related to U. costata, though it differs from all members of section Aranella in its rostrate upper calyx lobe.
Utricularia | Utricularia minor | Utricularia humboldtii | Utricularia sect. Foliosa | Utricularia resupinata | Utricularia ochroleuca | Utricularia costata | Utricularia australis | Pouteria costata | Diagram of ''Trigonia costata'' James Parkinson |