Turmeric is the boiled, dried, cleaned, and polished rhizomes of Curcuma longa. The plant is a herbaceous perennial, 60-90 cm high, with a short stem and tufted leaf. There are 7 to 12 leaves, the leaf sheaths form the pseudostem. The lamina is green above and pale green below and has a length of 30-40 cm and a width of 8-12 cm. The inflorescence is a central spike of 10-15 cm in length. 1-4 flowers are born in the axil of the bract opening one at a time. About 30 flowers are produced in a spike. Seeds are produced in capsules and there will be one to numerous sunken capsules in an inflorescence.