Brassica rapa var. oleifera (field mustard, "Aburana")

Japanese name: アブラナ （油菜）
Scientific name: Brassica rapa var. oleifera

[Overview]
An annual or biennial.
The leaves are alternate, wrinkled on the upper surface, and soft.
The leaves on the flower stalk clasp the stem at the base.
The flowers are borne in racemes at the stem tips and are yellow with 4 petals.
The fruit is a siliqua, and the seeds are spherical.

[Uses]
Oil is obtained from the seeds.
The buds are used as a vegetable.

[Cultivation]
Pests include aphids, cabbage worms and armyworms.

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