Is ginger a edible underground root?

Yes, ginger is an edible underground root used as a spice or flavoring. It belongs to the Zingiberaceae family, which also includes turmeric and cardamom. Ginger is native to Southeast Asia and has been used for thousands of years in traditional medicine and cooking. The rhizome, or underground stem, of the ginger plant is fleshy and aromatic, with a spicy, pungent flavor. Ginger is widely used in Asian cuisine, as well as in many Western dishes. It can be consumed fresh, cooked, dried, or ground into a powder.