Erect shrub to 70 cm tall, glaucous, with few large, glandular hairs when young, otherwise almost glabrous except flowers. Leaves almost sessile, elliptic to ovate, toothed, rarely entire, thick; lamina 3-7 cm long, 15-40 mm wide. Flowers in racemes to 10 cm long; bracts lanceolate, 8-15 mm long; peduncle 2-4 mm long; bracteoles lanceolate, c. 3 mm long; pedicel 1-2 mm long, indistinctly articulate. Sepals lanceolate, 5-6 mm long. Corolla 15-20 mm long, with coarse hairs inside, with enations, indistinctly auriculate; abaxial lobes c. 10 mm long; wings 2.5-3 mm wide. Indusium broadly ovate, folded. Ovules c. 40. Fruit ovoid, c. 1 cm long; valves bifid. Seeds elliptic, 3 mm long, light brown, tuberculate.