Ginger root is a member of the family of roots consisting of turmeric and cardamom. There are over 1300 different species of ginger root plants. Its strong aroma and taste are due to ketones called gingerols that are a primary component of the root.

Is ginger a root or stem?

Ginger is often mistaken as being a root, when in fact it's actually an underground stem from a tropical herb plant Zingiber Officinale.

Is ginger actually a root?

Although we often call it ginger root, it's actually a rhizome, a creeping, gnarly, knobby stem that grows sideways, running along the surface of the soil or just below it. (Irises are rhizomes, too.) ... Ginger should feel heavy, which is a sign of good oil content and flavor.