Scandent or scrambling herb to 4m, hispid stems. Pilose, doubly serrate to crenate leaves to 160mm x 100mm. 6-24 flowered cymes with bracts to 92mm x 68mm, greenish-yellow to yellow sepals to 19mm x 12mm, bright yellow corolla, upper lip tp 12mm x 16mm, lower lip to 30mm x 22mm. White villous capsule 8mm long.