Coriander is an aromatic annual herb native to Southern Europe and Western Asia, now cultivated in most temperate regions of the world. It grows to a height of between 35-60cm. There are two kinds of leaves on coriander, the upper leaves are fern-like and finely divided, the lower ones are broadly lobed and undivided, and both types of leaves are bright green. The flowers and comprised of umbels of shortly stalked florets which are white to pale pink in colour and 5-6mm in diameter. Flowers produce small, globular, aromatic seeds which are 3-5mm in diameter, brown-beige in colour with vertical ridges.