Simplify the following text for a Grade 10 native English-speaking person.
Original: Turmeric ( Curcuma longa ) is a rhizomatous herbaceous perennial plant of the ginger family , Zingiberaceae .
Simplified: Turmeric ( Curcuma longa ) is a spice , widely used in Asian cooking . It is a rhizomatous herbaceous perennial plant , in the ginger family , Zingiberaceae .