A climbing or creeping plant to 2 metres, though often far less. Leaves arrow shaped to oblong. Stalked. Flowers white, or pink with white stripes. 10 to 25 mm solitary.

Cultivated land, roadside verges, pathways short turf and coastal habitats.

June to September.

Perennial.

Common and widespread throughout most of Britain except the far north.

Common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 543 of the 617 tetrads.