More or less divaricate, many-stemmed, perennial herb to 80 cm tall, glaucous. Leaves obovate, dentate, thick; lamina to 7 cm long, to 15 mm wide. Flowers in thyrses or racemes, to 50 cm long; bracts leaf-like, oblanceolate to orbicular, 10-30 mm long, 4-15 mm wide; peduncle 20-35 mm long; bracteoles oblanceolate to oblong, 5-20 mm long; pedicel mostly 2-3 mm long, articulate. Sepals lanceolate, 3-3.5 mm long. Corolla 12-15 mm long, densely villous towards base inside, with enations, indistinctly auriculate; abaxial lobes 5-6 mm long; wings 1-1.5 mm wide. Indusium oblong-deltoid, c. 3 mm long. Ovules 40-50. Fruit ovoid-cylindrical, 10-12 mm long; valves bifid. Seeds broadly elliptic, 1.8 mm long, black, colliculate.
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