Turmeric Turmeric is the spice produced from the rhizomes of the Curcuma longa, a tropical perennial herb in the ginger family (Zingiberaceae). Learn more about turmeric here. Related Articles: What Are Spices and Herbs?What Can Spices and Herbs Do?How is Turmeric Produced?7 Essential Tips for Using Spices and HerbsSaffronGlossary: GingerGlossary: RhizomeGlossary: SpicesTurmericNutmeg« Back to Glossary Index