Rockets/mustards

Family: Brassicaceae
Scientific name: Sisymbrium species
Description: Plant Form Annual or biennial rosette herb. Size Up to 1 m tall. Stem Erect or sometimes creeping. Often pigmented reddish and hairless. Leaves Initially deeply lobed in rosette, then unlobed alternating up stems and smaller. 2-12 mm long. Flowers Tightly compacted clusters of small yellow flowers at end of branched stems. Fruit and Seeds Dry, inflated and curved capsules, 5-9 mm long and with seeds in 2 rows. Habitat Wetlands, riparian areas, cropping areas. Distinguishing Features Distinguished from Creeping yellowcress (Rorippa sylvestris) by having smaller petals, being annual or biennial (rather than perennial) and lacking rhizomes. Weed Status: Other Weed Weed Type: Lifeform: Herbaceous

Example images for this weed