Aniseed is an annual plant with an average height of 30 to 50 cm. The plant is completely covered with fine hairs. Aniseed is ground-grey to greyish brown in colour,3 to 5mm in length, oval in shape with short stalk attached. Five longitudinal ridges are visible on each pericarp. Vittae (oil ducts) are almost always present embedded in the fruit wall beneath the ridges. It has a characteristic agreeable odour and a pleasant aromatic taste.