Bushy, tufted herb to 40 centimetres. The leaves consist of a thin central portion with prominent lobes on either side. Leaves may reach 15 cm in length. Leaf margins are often toothed. Flowers are tubular with large, five-pointed openings. (Note that these are not true petals, though they resemble them). Flowers are usually pale blue or mauve. A small capsule follows. This contains numerous tiny, black seeds.