Sp. Pl. 666 (1753) APNI
Annual or biennial. Taproot stout or tuberous. Stems erect, to 1 m high, herbaceous, branched, usually with stiff bristles. Basal leaves petiolate, pinnately lobed, bright green, with stiff bristles; upper leaves sessile, oblong-lanceolate, becoming glabrous, base dilated and deeply cordate, clasping stem. Inflorescence with open flowers overtopping or equalling buds. Sepals erect to inclined, 4–6 mm long; petals 6–11 mm long, bright yellow; outer stamens with filaments curved outwards at base; ovary sessile. Fruit obliquely erect, 4–7 cm long (including beak), c. 3 mm wide, somewhat constricted between seeds; valves somewhat flattened, midrib prominent, lateral veins obscure, parallel; beak 7–22 mm long, seedless or rarely with 1 seed; pedicel 5–30 mm long; seeds 1–2 mm wide, red to black-brown. Flowers mainly spring and autumn.
*CVU, *EGL, *GipP, *Glep, *Gold, *HNF, *HSF, *MuF, *OtP, *OtR, *Strz, *VRiv, *VVP, *WaP, *Wim. Also naturalised WA, SA, Qld, NSW, ACT, Tas. Native to Europe and Asia. Widely cultivated and established as a weed; exact distribution uncertain due to lack of precise records.
The cultivated Turnip with a tuberous taproot is var. rapa. Most naturalised plants, however, belong to var. sylvestris (Lam.) Briggs (Rapeseed).
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|East Gippsland Lowlands||present||introduced|
|New South Wales|
|Australian Capital Territory|