Alliaria petiolata

Biennial herbs to c. 1 m high, glabrous or with simple hairs, smelling of garlic when crushed. Basal leaves long petiolate, reniform or cordate, c. 15–88 mm wide, margins crenate or dentate; cauline leaves petiolate, broadly ovate, cordate, or deltoid, up to 15 cm long and wide; margins crenate; apex acute; base cordate or truncate. Sepals c. 2–4 mm long; petals 4–8 mm long, white. Fruit linear, (20–)30–70(–80) mm long, 1.2–2.5 mm wide, glabrous; style (0.2–)1–2(–3) mm long. Seeds narrowly oblong, 2–4.5 mm long, brown or black, striate.