Charlock, Sinapis arvensis

Cabbage family (Cruciferae)

• Flowers: Bright yellow, 15-20mm across (3/5-4/5in), borne on elongating terminal racemes (clusters).
• Leaves: Rough, toothed. Lower leaves lobed. Upper leaves simple.
• Habitat: Cultivated land, roadsides, on calcarous soil.
• Season: Blooms Apr-Aug.

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