Erect subshrub becoming scandent to 4m, hirsute stems, hirsute leaves to 200mm x 88mm, coarsely dentate or serrate-dentate with red-tinged margins. Flowers in terminal racemes of 1-8 flowers, inflorescence to 340mm long with bracts, lower bracts to 110mm long, upper bracts to 30mm long, hirsute calyx to 12mm long with lobes to 7mm long & toothed margins. Hirsute white corolla to 22mm long, upper lip to 7mm long, lower lip to 12mm long. Greenish-black nutlets to 9mm long.