Plants of South Eastern New South Wales
Brassica x napus
Rape, Canola, Coleseed, Rutabaga, Swede
Brassicaeae
Disturbed sites. Escape from cultivation. Widespread but not common. North of the ACT.
Introduced annual or biennial herb to 1.5 m tall. Taproot robust, sometimes somewhat swollen. Leaves scarcely fleshy, alternating up the stems, 10-40 cm long, glaucous, the lower leaves deeply lobed, with a large terminal lobe and smaller lateral lobes, upper leaves entire, stem-clasping. Flowers pale yellow, with 4 petals 8–15 mm long, in clusters. Flowers spring. Seed cases 4–10 cm long (including the beak), 2–4 mm wide, obscurely 4-angled Beak 5–30 mm long. Stalk 15–30 mm long. Seeds dark brown to black.
PlantNET description: https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Brassica~x+napus (accessed 18 April 2021)
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