Climbing twining shrub with glabrous stems. Glabrous leaves to 120mm x 70mm, leaves roughish beneath. Terminal or lateral many-flowered spikes of yellow flowers with orange lines in throat, bracts to 30mm long, calyx 1mm long, ellow corolla glabrous outside, tube 30mm x 2mm, throat 15mm x 10mm, lobes to 17mm long. Falcate glabrous follicles to 100mm long.