mustard family

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large family of herbs, the Brassicaceae (or Cruciferae), characterized by flowers with four petals arranged in a cross, usually long narrow seedpods, and a pungent odor or taste, and including vegetables such as broccoli, cabbage, cauliflower, kale, radishes, and watercress.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives