Ascending, perennial herb to 20 cm tall, glabrous or slightly pubescent; rootstock thick. Leaves mostly basal, linear to oblanceolate, entire; lamina 2-6 cm long, 2-4 mm wide; axillary hairs a dense tuft. Flowers in dichasia or monochasia to 10 cm long, flowers often solitary in axil of basal leaf; peduncle 2-10 cm long, from basal rosette; bracteoles leaf-like, linear to oblanceolate, mostly 4-15 mm long; pedicel 7-20 mm long. Sepals lanceolate, c. 1 mm long. Corolla 5-8 mm long, indistinctly auriculate; abaxial lobes 2-2.5 mm long; wings 1.2-1.4 mm wide. Indusium oblong, c. 1 mm long. Ovules many, scattered. Fruit ovoid, tapering towards base, c. 5 mm long; valves split to base and appearing as 4. Seeds brown.
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