Prostrate to decumbent herb, ±glabrous or cottony-hairy; stems to 30 cm long. Basal leaves narrowing basally, narrowly oblong to obovate, sinuate to lobed, with lamina 3-9 cm long, 7-11 mm wide; cauline leaves smaller, broader, not narrowing, one side with basal lobe. Flowers in racemes to 25 cm long; bracts leaf-like; peduncle 8-15 mm long; bracteoles linear, c. 3 mm long; pedicel 8-20 mm long, not articulate. Sepals linear-lanceolate, 3-4 mm long. Corolla 10-18 mm long, ±glabrous inside, with enations, auriculate; abaxial lobes 3-6.5 mm long; wings 1.5-2.5 mm wide. Indusium depressed-obovate, folded. Ovules 20-30. Fruit ovoid, 7-10 mm long; valves separating to base, thick, entire. Seeds oblong to elliptic, c. 3 mm long, aculeate, brownish.
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