Erect to ascending, perennial herb to 40 cm tall; stock thick, often much-branched. Basal leaves linear to lanceolate, entire, thick, strigose; lamina 3-9 cm long, 1-8 mm wide. Flowers in racemes to 8 cm long, or subumbels; bracts leaf-like; pedicel 10-20 mm long, indistinctly articulate; bracteoles absent. Sepals lanceolate to narrowly elliptic, 1.5-2.5 mm long. Corolla 10-14 mm long, ±glabrous inside, without enations, auriculate; abaxial lobes 4.5-5.5 mm long; wings c. 1.5 mm wide. Indusium depressed-obovate, 1 mm long. Ovules c. 40. Fruit subglobular, 5-6 mm long. Seeds orbicular, 1.3-1.5 mm diam., glossy, black; wing to 0.3 mm wide, white, mucilaginous, overlapping body.