Slender twining woody or herbaceous shrub to 4m with ferrugineous or purplish hirtellous stems. Glabrous leaves scabrous & hairy on upper surface, ferrugineous puberulous below 120mm x 50mm. Axillary leaf-opposed racemes 18mm long, white or green bisexual flowers, calyx 3mm long, corolla tube yellow to 12mm x 1.25mm, white lobes to 13mm. Erect strigose follicles with ferrugineous barbate hairs, to 90mm long.
Medicinal