Erect herb to 60 cm tall, with adventitious roots, glabrous. Leaves mostly basal from stock, sessile, linear to oblanceolate, entire or denticulate, thick, usually glossy; lamina 5-25 cm long, 1-12 mm wide. Flowers in thyrses or spikes to 60 cm long; bracts linear-lanceolate, mostly 1-2.5 cm long; peduncle mostly obsolete, lowermost to 6 cm long; bracteoles linear-lanceolate, 3-6 mm long; pedicel 0-4 mm long, not articulate. Sepals linear, 4-5 cm long. Corolla 13-15 mm long, ±glabrous inside, with enations, indistinctly auriculate; abaxial lobes 7-8 mm long; wings 1.5-2.5 mm wide. Indusium broadly oblong. Ovules 30-40. Fruit obovoid, 5-9 mm long; valves bifid. Seeds elliptic, 1.5 mm long, brown, reticulate-foveate.
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