Prostrate to ascending annual herb; stems to 25 cm long. Basal leaves linear, entire, sparsely strigose or glabrous; lamina 1-5 cm long, 0.4-1 mm wide. Flowers in secund racemes to 25 cm long; bracts leaf-like; pedicel 8-15 mm long, articulate; bracteoles absent. Sepals oblong to lanceolate, c. 1 mm long. Corolla 1.5-2.5 mm long, sparsely hairy inside, without enations, auriculate; abaxial lobes to 1 mm long; wings triangular, short, 0.1-0.2 mm wide. Indusium broadly obovate, 0.3-0.4 mm long. Ovules 12-18. Fruit globular, 2.5-3 mm diam. Seeds orbicular, c. 1 mm diam., glossy, black; wing c. 0.2 mm wide, white, mucilaginous, overlapping body.