Barbarea australis

Botanical Name: Barbarea australis
Common Name: riverbed wintercress
Family: Brassicaceae

Size: 15-40cm H, 10-30cm W.
Leaves: Rosette leaves lobed and stem-clasping, stem leaves simple  with wavy edges
Flowers: Yellow, 4-petalled in racemes
Flowering Time: Year-round
Fruit: Cylindrical, more or less erect, 2-5cm long

Habitat/distribution: Banks of e.g. St Patricks River, N Esk R, R Ouse and Guide R
Other notes: A biennial or short-lived perennial herb, endemic to Tasmania and listed as endangered but available for cultivation. Easily grown but needing moisture and some sun. Edible.