Ascending to erect herb to 30 cm tall, with long, appressed, simple hairs and pale-headed, glandular hairs. Basal leaves lanceolate, entire or dentate, with lamina 3-6 cm long, 3-7 mm wide; cauline leaves smaller, often in fascicles below flowers. Flowers in racemes to 5 cm long, or subumbels; bracts leaf-like; pedicel 1.5-5 cm long, indistinctly articulate; bracteoles absent. Sepals elliptic, 3-5 mm long. Corolla 12-17 mm long, pubescent inside, with enations, auriculate; abaxial lobes usually 6-7 mm long; wings to 2.5 mm wide. Indusium depressed-obovate, 1 mm long. Ovules to 20. Fruit globular, 3-4 mm diam. Seeds orbicular, 1.5 mm diam., glossy, black; wing c. 0.3 mm wide, white, mucilaginous, overlapping.