Adult: Species description based on Savage (1972). A medium-sized toad (males to 36 mm, females to 48 mm). Males can be distinguished from females by their robust upper arms. Dorsal: Dorsal surface is solid brown, or with tiny yellow spots; the spots sometimes have a brown mark in them. Ventral: Ventral surface yellow with or without some darker patterning. Eye: Iris green. Pupil vertical.