Erect, perennial herb to 50 cm tall, glabrous except flowers. Leaves mostly towards base, ovate to oblanceolate, tapering basally, dentate, thick; lamina 3-5 cm long, 10-17 mm wide. Cauline leaves smaller. Flowers in racemes to 30 cm long; bracts lanceolate, 5-20 mm long; peduncle 4-20 mm long; bracteoles lanceolate, 2-5 mm long; pedicel 2-5 mm long, indistinctly articulate. Sepals lanceolate, c. 5 mm long. Corolla c. 20 mm long, softly pubescent outside, villous inside, with enations, indistinctly auriculate; abaxial lobes c. 7 mm long; wings 2-2.5 mm wide. Indusium broadly oblong. Ovules 60-65. Fruit cylindrical, 15 mm long; valves ±bifid. Seeds broadly elliptic, 1.5 mm long, black or dark brown, reticulate.
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