Rapistrum rugosum plant1 (14942376941)

Description:

Description: Introduced, cool-season, annual or biennial herb, mostly 15–60 cm tall, branches ± glaucous, often bristly. Lower leaves are to 25 cm long, lyrate-pinnatisect with usually 3 pairs of irregularly toothed lobes, petiolate; upper leaves reducing. Flowerheads are racemes. Petals 4, 5–10 mm long, yellow and dark-veined. Siliculas are 5–10 mm long, breaking between the 2 segments; upper segment ribbed and sometimes bristly. A native of Europe, it is a very common weed of crops, orchards, vineyards, disturbed sites, waste areas, roadsides, urban bushland, waterways and pastures. Date: 15 July 2014, 10:24. Source: Rapistrum rugosum plant1. Author: Harry Rose from South West Rocks, Australia.