Brassica napus (rapeseed)

Leaf type: Ovate (yound leaves) to lobed (adult leaves)
Phyllotaxis: Alternate, rosulate (basal leaves)

Leaf (upper side)

Rapeseed oval to egg shaped leaves
Young leaves are oval to egg-shaped.
Rapeseed lobed leaves
Adult (older) leaves are lobed.

Cotyledons

Rapeseed sprouts can be eaten raw
Rapeseed sprouts can be eaten raw.

Habitus & biology

Rapeseed habitus

Rapeseed is an annual or biennial and can reach a height of over one metre. The ovate to lobed leaves are green or turquoise green in colour.

Brassica napus originated from a cross between turnip rape (Brassica rapa) and cabbage (Brassica oleracea).

Cabbage basal leaves
These basal leaves of a cabbage cultivar (Brassica oleracea) look similar to the leaves of rapeseed.

Distribution & habitates

Oilseed rape at a construction site
Oilseed rape at a construction site.

Rapeseed is not a naturally occurring plant. But it can occasionally be seen growing wild. Not only near fields and farmland, but also along transport routes and in urban areas.

Botany

Brassica napus belongs to the cruciferous family (Brassicaceae).

Brassica napus