Brassica rapa (Common Mustard) is a species of annual herb in the family crucifers. They have a self-supporting growth form. They have simple, broad leaves and loculicidal capsule fruit. Flowers are visited by Ashton's Cuckoo Bumblebee, Olibrus aeneus, Pieris rapae crucivora, and Acamptopoeum submetallicum. Individuals can grow to 3 feet.
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