Sorbus

Sorbus is a genus of about 100–200 species of trees and shrubs in the rose family, Rosaceae. The species are native to temperate regions of the Northern Hemisphere, with the highest species diversity in the mountains of western China and the Himalayas.

Description

Members of the genus Sorbus are commonly known as Whitebeam, Rowan, and Mountain-ash. They are deciduous trees and shrubs with simple or pinnate leaves. The flowers are borne in corymbs, and have five petals. The fruit is a small pome, with the structure of an apple.

Taxonomy

The taxonomy of the genus is complex and still not fully resolved, with different authors accepting between 100 and 200 species. The genus is divided into several subgenera, including Sorbus, Torminaria, Chamaemespilus, and Micromeles. Some authors also include the related genera Aria and Torminalis in Sorbus.

Distribution and habitat

Sorbus species are native to temperate regions of the Northern Hemisphere, with the highest species diversity in the mountains of western China and the Himalayas. They are also found in Europe, including the British Isles, and North America.

Uses

Many species of Sorbus are popular ornamental trees, grown for their attractive foliage, showy flower clusters, and colourful fruits. Some species are used in traditional medicine, and the fruits of some species are edible and used in jams and jellies.

See also

• List of Sorbus species
• Rosaceae

• Sorbus aucuparia, also known as rowan
  Sorbus aucuparia, also known as rowan
• Punetav pihlapuu
  Punetav pihlapuu
• Rowan in the garden of Eastern Siberia
  Rowan in the garden of Eastern Siberia