Ginger of commerce is the dried underground stem of the herbaceous tropical plant grown as an annual. The whole plant is refreshingly aromatic and the underground rhizome, raw or processed, is valued as spice. Ginger is a slender perennial herb, 30-50 cm tall with palmately branched rhizome bearing leafy shoots. The leafy shoot is a pseudostem formed by leaf sheath and bears 8 to 12 distichous leaves.

Ginger of commerce is the dried underground stem of the herbaceous tropical plant grown as an annual. The whole plant is refreshingly aromatic and the underground rhizome, raw or processed, is valued as spice. Ginger is a slender perennial herb, 30-50 cm tall with palmately branched rhizome bearing leafy shoots. The leafy shoot is a pseudostem formed by leaf sheath and bears 8 to 12 distichous leaves.