Evodia

Evodia, also known by its scientific name Tetradium ruticarpum, is a species of flowering plant in the family Rutaceae. It is native to East Asia, including China, Korea, and Japan. The plant is a deciduous tree or shrub that can grow up to 20 meters tall. It has compound leaves that are typically 20-30 cm long with 7-11 leaflets. The flowers are small, white, and fragrant, appearing in terminal panicles. The fruit is a capsule that splits open to reveal black seeds.

Evodia has a long history of use in traditional Chinese medicine, where it is known as Wu-Chu-Yu. The dried fruit is commonly used for its purported therapeutic properties, although scientific evidence supporting these claims is limited. In traditional practices, it has been employed for a variety of ailments. The plant also has ornamental value and is sometimes cultivated in gardens for its attractive foliage and fragrant flowers.

The cultivation of Evodia is relatively straightforward in suitable climates. It prefers well-drained soil and a sunny or partially shaded location. Propagation can be done through seeds or cuttings. While generally considered a hardy plant, it may require protection in colder regions. The plant's ecological role involves providing habitat and food for certain wildlife, and its flowers can attract pollinators. Further research is ongoing to explore its potential medicinal applications and biochemical composition.