Glabrous erect shrub or woody vine, sometimes climbing to 8m. Coriaceous leaves to 80mm+ x 40mm with serrate or doubly serrate margins. Corymbs or dichasia with bracts & bracteoles, flowers to 50mm x 25mm, calyx lobes to 15mm x 8mm, yellow corolla, upper lip to 10mm long, lower lip to 37mm x 25mm. Brown-purple capsule to 10mm long