Prostrate, annual herb to 80 cm long, cottony. Leaves basal and cauline, obovate to spathulate, narrowing basally, dentate, ±glabrescent; lamina 3-10 cm long, 15-30 mm wide. Flowers in racemes to 60 cm long; bracts leaf-like; peduncle 1-4 cm long; bracteoles linear, 1-2 mm long; pedicel mostly 1-2 cm long, not articulate. Sepals linear-deltoid, c. 2 mm long. Corolla 12-15 mm long, sparsely pubescent inside, with prominent enations, auriculate; abaxial lobes c. 5 mm long; wings c. 1.5 mm wide. Indusium depressed-obovate. Ovules 28-30. Fruit ±ellipsoidal, c. 8 mm long; valves bifid to midmark. Seeds oblong, 2.5 mm long, minutely aculeate, yellow-brown.
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