Leaves free to base or very shortly fused. Plants spiny. Shrublet to 50 cm, branches turning grey with age. Leaves obtuse, smooth with convex epidermal cells. Flowers in much-branched, spiny cymes. Fruits without valve wings.
Perennial shrublet, up to 0.7 m high, stems erect, woody. Leaves obtuse, smooth, glaucous, punctate. Flowers in rich, spiny cymes, pink. Flowering time June-Apr. Capsules 5-locular, valve wings absent.