Trailing or climbing shrub to 7m+ with tetragonal prickly branches becoming glabrous. Serrate mostly glabrous leaves to 130mm x 65mm, strigose-pilose on veins beneath, scabrous above. Axillary many-flowered inflorescence to 60mm long with small strigillose bractlets to 10mm x 3mm, calyx 2mm long, red & yellow or all red or all yellow corolla with tube 10mm long & limb to 6mm diameter.