Biennial to about 1 m tall. Leaves ovate to lanceolate with pointed tips, large teeth and cordate base, long stalked near the base of the plant but stalks shortening up the stem. Flowers with petals purple, occasionally white; spring to summer. Fruit a silicula mostly 2-4 cm long, 1.5-3 cm wide.
Frequently grown for the looking-glass fruits used in floral arrangements but self-seeding rapidly and occasionally naturalised.
Ovate, cordate leaves; large, decorative translucent looking-glass fruits more than 2 cm long.
Source: (1997). Brassicaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.