Clambering hairy shrub or scandent or procumbent subshrub to 6m with tetragonal branches rusty-purple coloured, biserrated wrinkled leaves, glabrous above, hoary beneath to 60mm x 30mm. Whole plant with 2mm long white hookjed hairs. Axillary & terminal corymbs or dichasia to 120mm long, puberulent green calyx with segments 10mm x 5mm, purple in centre. Corolla white at base, yellow at top to 30mm long, upper lip to 6mm long, lower lip to 24mm long.