Ginger

Ginger, zingiber officinale is an erect, herbaceous perennial plant in the family zingiberaceae grown for its edible rhizome (underground stem) which is widely used as a spice. The rhizome is brown with a corky outer layer and pale-yellow scented center. They have a pale, thin skin that requires no peeling, is very tender, and has a milder flavor. It can be grated, chopped for use. Mature ginger root has a tough skin that must be peeled away to get to the fibrous flesh and is usually grated, chopped or ground for use.
Ginger is commonly used to treat various types of stomach problems including motion sickness, morning sicknesses, colic, upset stomach, gas, diarrhea, Irritable Bowel Syndrome(IBS), nausea, nausea caused by cancer treatment, nausea caused by HIV/AIDS treatment, nausea and vomiting after surgery.