Image Number K11449-1

Brown mustard (Brassica juncea). Different varieties of mustard—among the oldest recorded spices, with Sanskrit records dating back to about 3000 B.C.—are native to temperate regions of Europe. A pesticide from the hulls of mustard seeds can be generated as a coproduct of mustard biodiesel.

Photo by Peggy Greb.

640 pixels wide: (k11449-1.jpg)