Canes thick, light to dark brown; tendrils continuous, bifid.
Four apophyses of each spine simply forked (or partly with bifid fork-branches); each spine with eight to twelve sutural condyles.
The limb of the corolla (b) is five-cleft, and the style (c) bifid.
The body is much attenuated towards the tail, which is bifid.
The long slender awn is inserted below the bifid tip of the palea.
Projecting forwards from it is a bifid cartilaginous epipubis.
Tendrils semi-continuous to semi-intermittent, bifid, dehisce early.
The teeth of all species of Smilisca are spatulate and bifid.
Canes numerous, thick, dark brown; nodes enlarged; tendrils continuous, bifid or trifid.
Canes slender, dark reddish-brown; nodes flattened; internodes short, bifid.