Common Name
Hairy Brassica, Buchan Weed, Hoary Mustard
Family
Brassicaceae
Notes
Introduced annual, biennial, or perennial forb to 1m tall. Leaves basal and alternating up the stems, to 20cm long, flat, hairy or bristly, margins lobed and/or toothed. Upper leaves reducing to entire. Flowers with 4 yellow petals, in open panicles at the tops of the stems. Declared plant in SA.
Description in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales page 325
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hirschfeldia~incana