Rorippa
7 species in Aust. (3 naturalized, 4 endemic); all states and territories
Annual, biennial or perennial herbs with erect or ascending stems, glabrous or with simple hairs. Leaves pinnately divided. Inner sepals saccate. Petals yellow or white. Fruit almost cylindrical or oblong; valves convex, without veins or with 1 inconspicuous vein. Seeds in 1–2 irregular rows in each loculus. Cotyledons accumbent.