Greater Galanga is the dried rhizome of a plant Alpenia galanga. This is a perennial, robust, tillering, rhizomatous herb. The plant bears perennial rhizome (2.5 to 10 cm thick), which are deep orange to brown in colour, aromatic, pungent and bitter. The pseudostem formed by the rolled leaf sheaths is erect, the inflorescence is terminal, many flowered.