Beddomixalus differs from the other rhacophorid genera by being a slender and elongated medium-sized frog, the female measuring up to 6 cms in length; its yellowish-buff or reddish-brown dorsum carrying two distinct yellowish-cream longitudinal stripes; vomerine teeth and an absent lingual papilla; distinct supratympanic fold as well as tympanum; a rounded canthus rostralis; an obtusely concave loreal region; a simple and tubular Wolffian duct.