Prostrate herb, with basal stock, tomentose; stems to 80 cm long. Basal leaves elliptic to ovate, narrowing basally, dentate to lobed, glabrescent above; lamina 3-6 cm long, 1.3-3 cm wide; cauline leaves smaller. Flowers in racemes to 80 cm long; bracts leaf-like; peduncle 1-3 cm long; bracteoles linear, 4-5 mm long; pedicel 2-25 mm long, not articulate. Sepals lanceolate, 5 mm long. Corolla c. 15 mm long, pubescent inside, with enations, auriculate; abaxial lobes 5-7 mm long; wings c. 2 mm wide. Indusium broadly oblong. Ovules 40-60. Fruit ovoid to ellipsoidal, c. 10 mm long; valves bifid. Seeds oblong, 2.5 mm long, aculeate to setose, dark yellow.