Common name: Rape, Coleseed, Swede, Rutabaga
Brassica napus L. APNI*
Synonyms: Brassica x napus sensu Entwisle (1996) APNI*
Description: Annual or biennial herb to 1.5 m tall, usually with a strong taproot. Stems erect, scarcely branched
Leaves glaucous. Lower leaves petiolate; lamina lyrate-pinnatifid, 5–20 cm long; nerves sparingly bristly. Upper leaves stem-clasping, sessile; lamina oblong-lanceolate.
Inflorescence convex, corymbose. Sepals half-spreading, 5–7 mm long. Petals obovate, 10–14 mm long, pale yellow. Outer stamens curved inwards at base.
Siliqua obliquely erect, 5–10 cm long, obscurely 4-angled; beak 5–20 mm long, tapering, seedless; tip narrower than persistent stigma. Seeds ±spherical, 1.5–2.5 mm wide, blue-black.
Distribution and occurrence: Norfolk Is. An occasional escape from cultivation.
NSW subdivisions: *CT, *ST, *NWS, *SWS
Other Australian states: *Qld *Vic. *Tas. *W.A. *S.A.
A Eurasian species, with many cultivated forms.
Text by B.M. Wiecek
Taxon concept: Flora of Australia Volume 49
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.