Short to tall plant, hairy, usually unbranched. Leaves pale green, kidney shaped to heart shaped, toothed and smelling of garlic when crushed. Flowers white, 3 to 5 mm in clusters. Fruit 20 to 70 mm erect.

Roadsides, waste ground, woodland margins, hedgerows.

April to June.

Biennial.

Common throughout most of Britain though scarce in northern Scotland.

Very common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 547 of the 617 tetrads.