A sprawling herb. It forms mats. The shoots can be 30 cm long. It has white woolly hairs. The leaves and divided. The flowers are yellow with a green eye. The fruit are flattened and 5 sided. They have a central spine.
Sprawling, white-woolly perennial, often mat-forming. Leaves pinnatisect or bipinnatisect, lobes mucronate. Flowers yellow with a green eye. Fruits depressed-pentagonal with a peripheral wing and central spines.