more or less clump to colony-forming, 15-30cm high. Leaflets very broadly triangular, usually with a wide shallow notch, 2-4.5cm long and usually more in width. Flowers to 1.3cm long, pale to deep pink, in umbels, summer to autumn. Mexico. Bulbils spread by stolons. Naturalised as a weed in western Europe, including Jersey and south-western England. Best avoided.