Gonionota vexillata is a moth in the family Depressariidae.
The forewings are brown tinged with purple, the dorsal edge sometimes suffused with dark purplish fuscous and with an elongate deep yellow patch suffusedly mixed with bright crimson extending from the base of the dorsum along the costa to the middle and then projecting downwards to the end of the cell, marked with purplish fuscous towards the base of the costa and twice interrupted posteriorly.
The first discal stigma is indistinct and blackish.
The costal edge is white for a short distance towards two-thirds, edged beneath with rosy suffusion.
This article on a moth of the subfamily Hypercalliinae is a stub.