Decumbent to ascending herb, hirsute; stems to 25 cm long, often stoloniferous. Leaves basal on stock and cauline, linear to oblanceolate, narrowing basally, dentate, usually hirsute on both surfaces; lamina 3-10 cm long, 3-10 mm wide. Flowers in racemes to 5 cm long, or solitary in leaf axils; bracts leaf-like; peduncle 1.5-5 cm long; bracteoles linear, c. 5 mm long; pedicel 2-5 cm long, not articulate. Sepals oblong to narrowly oblong, 4-5 mm long. Corolla 14-16 mm long, pubescent inside, without enations, ±auriculate; abaxial lobes 7-8 mm long; wings to 3 mm wide. Indusium broadly obovate, folded. Ovules 14-16. Fruit obovoid, c. 10 mm long; valves shortly bifid. Seeds elliptic, c. 3.5 mm long, aculeate, yellow-brown.
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