Tea Tree - Lemon (Leptospermum petersonii), lemon-scented tea tree is a tall shrub to small tree to 5 m which is cultivated as an ornamental and for essential oils. It naturally occurs near sclerophyll forest or rainforest, on sandy or rocky escarpements, on the east coast of Australia. It has simple leaves, 20-40 mm long, with a distinctive lemony aroma. The flowers are white, followed by woody capsules. The leaves are distilled commercially for the essential oil which contains citronellal, citral, and pinene. It is grown in plantations in Kenya, Zaire, South Africa, Guatemala and Australia.