Herbaceous twining vine with scabrid stems. Leaves to 40mm x 13mm, scabrid above, glabrous beneath. Axillary solitary deep-pink, red or red-purple flowers , calyx lobes to 1.5mm - 0.7mm hispid at base, bilabiate corolla to 32mm long & sparselt hairy, corolla tube 8m x 3.4mm at base & 2.2mm at apex, dorsal lobes to 10mm x 2mm, ventral lobes to 9mm x 1.9mm. Capsules to 9mm x 6mm