Aegiphila brenesii Hammel (nom. et comb. nov.) is validated to replace Clerodendrum costaricense Standl., the epithet of which is preoccupied in Aegiphila Jacq. (Lamiaceae) by A. costaricensis Moldenke. The species in question has been known until now from only the two rather inadequate collections cited in the protologue. We find that it was misplaced to genus and that recent collections had been overlooked and included in a broad concept of A. quararibeana Rueda, a similar species of lower elevations.