This genus has only one species. It is grown for it's neat habit, good coverage of branches and long flowering time. Evergreen shrub to 45 cm (18 in) high with oval, deep green, rather thick leaves that have an unpleasant smell if bruised. It is also valued for its rough, grey trunk which tends to get lighter in color with age. The Serissa flowers practically all year round, but particularly from spring to fall (autumn). The flowers are funnel-shaped and mostly white in color. Cultivars with double flowers or variegated leaves are also available. 'Pink Snow Rose' has pale pink flowers and leaves edged off-white. These small shrubs are much loved as bonsai for their tiny flowers which may occur 2-3 times yearly, gnarled trunks, and naturally miniature leaves. When in bloom, remove fading flowers to encourage further flower production. Prune as needed; the Serissa is a fast grower and may need radical or repeated pruning to maintain its shape. Will bud back on old wood; in fact, some books recommend occasionally pruning back beyond old growth to help the plant maintain its shape. Wire during the growing period. Serissa will grow air roots and is often used in exposed root or root over rock styles. Eliminate unwanted suckers extending from the base. Suitable for all styles except formal upright and broom. Suitable for extra small to medium sizes. If kept indoors, needs 1000 Lux. Use of grow lamps for 12 hours daily is beneficial. Too little light will result in leggy growth. The S. Japonica has somewhat elongated spoon shaped, shiny green leaves. It is a twiggy tree that grows tighter with shearing. This northern Chinese Serissa has small white trumpet shaped blossoms and is trained into pleasing shapes with a full upright canopy.Also the variety Serissa Crassiramea is suitable for bonsai.