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Field Mustard Brassicaceae (Mustard Family)
Distinguishing Features - Leaves: simple, sometimes pinnately divided. Flowers: mainly radially symmetrical, in racemes; 4 sepals; 4 petals; usually 6 stamens, the outer shorter than the inner. Fruit: pod, usually long and narrow, sometimes short and broader, divided into two chambers. Notes Mustards are herbs; some have a peppery sap. Approximately 3,200 species exist worldwide; most are found in the cooler regions of the Northern Hemisphere.
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