Annual herb, up to 0.75 m high. Leaves with blade deeply 3-lobed, terminal lobe up to 50 mm long. Flowers: solitary on long slender pedicels; petals ± 6 mm long, white; Aug.-May.
Glabrescent, erect or sprawling perennial to 30 cm. Leaves shallowly to deeply palmatisect, toothed. Flowers axillary on filiform pedicels, white.
Herb, up to 500 mm tall. Leaves deeply 3-lobed. Flowers solitary on long slender pedicels. Flowers white.