A low-growing sprawling annual, it has greenish or yellowish stems and toothed alternate leaves, Flowers are four-petalled and mauve in colour, the petals widest at the ends. They produce capsules with two unequal sections. The lower one is persistent and has only one or no seeds. The upper section is deciduous with four angles.

Common around the coast

Seeds are a delicious nibble raw or tossed in a salad.