Annual or biennial herb, 10–50 cm high; stems erect, covered with soft hairs. Leaves moderately to densely hairy; basal leaves 2–3-pinnately lobed; stem leaves becoming smaller, to 5 cm long, 1–4 mm wide, pinnate to toothed. Inflorescence a dense elongating raceme. Sepals 0.5–1 mm long; petals narrow, shorter than sepals, white; nectaries insignificant, shield-shaped at base of petals; stamens 2; stigma subsessile. Fruit broadly elliptic to circular, 2–3.5 mm long, 2–3 mm wide, without hairs, wings narrow, forming open apical notch; pedicels 2–3 mm long, hairy on upper surface. Flowers summer–autumn.
MuM, Wim, VVP, VRiv, MuF, GipP, CVU, DunT, EGU, HSF, Strz. Naturalised in all States. Native to South America. Weed of urban areas, possibly not naturalised outside towns and cities.
Source:
Entwisle, T.J. (1996). Brassicaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae, pp. 399–459. Inkata Press, Melbourne.
