Cordylanthus nevinii is a species of flowering plant in the family Orobanchaceae known by the common name Nevin's bird's beak.

It is a red-tinted gray-green annual herb reaching 80 centimeters in maximum height.

The sparse leaves are linear in shape and no more than 3 centimeters long.

At their bases are one or more bracts which may be divided into three narrow lobes with knobby tips.

It is a fibrous white pouch sometimes veined with purple, enclosed in a beaklike calyx of sepals.