Creeping, stoloniferous perennial of wet places and with hollow stems. Leaves lyrate to pinnate with 1-5 pairs of leaflets; margins entire or with rounded teeth. Flowers with petals 3-6 mm long; late spring to early summer. Fruit a siliqua 10-18 mm long on a stalk about 1 cm long; seed in 2 rows in each chamber. [Nasturtium officinale R. Br.]
W Asia, N Africa, Europe
Naturalised in all Australian states.
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.