Botany

Botany - grow your knowledge with us.

Upgrade to Britannica Online

Take a tour, New improved britannica online

Imagine Britannica's 32-volume encyclopedia online right there for you, plus full access to articles. Amazing content, written by world experts, that you can cite for projects and assignments.

Click here for Britannica shop

mustard family

Family Brassicaceae (also called Cruciferae), composed of 338 genera of mostly herbaceous plants with peppery-flavored leaves. The pungent seeds of some species lead the spice trade in volume traded. Mustard flowers take the form of a Greek cross, with four petals, usually white, yellow, or lavender, and an equal number of sepals. The seeds are produced in podlike fruits. Members of the mustard family include many plants of economic importance that have been extensively altered and domesticated by humans. The most important genus is (see brassica); turnips, radishes, rutabagas, and many ornamental plants are also members of the family. As a spice, mustard is sold in seed, powder, or paste form.

Find more information on mustard family. Upgrade to Britannica Online for more on mustard family.

  • Britannica, just as colourful as Singapore
  • Singapore is a legendary city. Britannica has a legendary reputation for knowledge. With just a few clicks you can access all the quality information you can trust, online.