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A brown, medium-sized treefrog; males 35-42 mm, females 41-50 mm, maximum length 70 mm. Colour beige or light brown, usually with two lateral longitudinal yellow bands and light yellow spots on the flanks. Back sometimes covered with irregular, exceptionally large, brown spots and markings (observed in one individual from Berenty). Limbs with irregular dark brown bands. Venter cream. Skin on the back smooth in females, granular in males. Nostrils nearer to tip of snout than to eye. Tympanum distinct, tympanum/eye ratio is about 1/2 eye diameter. Tibiotarsal articulation reaches between eye and tip of snout. Hand without webbing; webbing of the foot 1(0), 2i(1), 2e(0), 3i(1), 3e(0), 4i/e(1), 5(0). Males with nuptial pads and a moderately distensible, single subgular vocal sac. Karyotype differences between eastern and southwestern populations may indicate the existence of various subspecies.
The tadpoles are yellowish with beige spots, in late stages mostly greenish. The belly is white, with minute dark spots on its anterior part. Total length in stages 26-29: 24-29 mm; in stages 38-42: 39-49 mm. The mouth is small and directed anteroventrally. Eyes are large and directed laterally. At midlength of the tail, the caudal musculature represents about 2/5 of the total tail height. Tooth formula is 1/4+4//1+1/2 or 1/3+3//1+1/2. Metamorphosing juveniles measure 15-20 mm from snout to vent. Their colour is dark green, sometimes beige with yellow longitudinal lateral bands. Limbs with dark brown bands.
Taken with permission from Glaw and Vences (2007).