Erect herb to 20 cm tall, becoming dark brown or black when dried, glabrous or with few glandular hairs, ±glaucous. Leaves oblong to oblanceolate, usually dentate or lobed; lamina 2-5 cm long, 3-5 mm wide. Flowers in racemes to 10 cm long, or subumbels; bracts leaf-like; peduncle 5-12 mm long; bracteoles linear, 2-3 mm long; pedicel 1-2 mm long, articulate. Sepals lanceolate to elliptic, 4-5 mm long. Corolla c. 18 mm long, hairs inside in rows confluent basally, with enations, auriculate; abaxial lobes c. 7 mm long; wings 2.5-3 mm wide, narrower on adaxial lobe above auricle. Indusium oblong-ovate, 2.5 mm long. Ovules c. 30. Fruit ovoid, ±compressed, 10-15 mm long. Seeds orbicular, c. 4 mm diam., reticulate-foveate, brown; wing 0.2-0.3 mm wide.
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