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Major tree groups

Bristol whitebeam champion treeAt Westonbirt Arboretum, there are over 3,000 different types of trees within the tree collection.


Read on for more information on some of the major tree groups to be found.

Maples

There are approximately 125 species of maples (genus Acer) in the world. Most are native to Asia, but some also occur in Europe, northern Africa, and North America.

Magnolias

Native to many parts of the world, magnolias are a horticultural favourite thanks to their large showy flowers. 

Whitebeams

The genus Sorbus (in the rose family Rosaceae) contains about 100 species of trees and shrubs.  

Oaks

Native to the northern hemisphere, the genus (Quercus) contains several hundred species, including both deciduous and evergreen species.

Beeches

The beech genus comprises ten species of deciduous tree, native to temperate Europe, Asia, and North America.

Cherries

The genus (Prunus) is an important group economically, both in commercial fruit production and the horticultural industry.

Hollies

Holly (Ilex) is the only genus in the family Aquifoliaceae. It contains about 400 species with a wide global distribution.

Horse chestnuts

The genus (Aesculus) consists of about 13 deciduous species native to the temperate northern hemisphere. 

Birches

Birches (Betula) are small to medium-size trees or shrubs, mostly of northern temperate climates. 

Limes

The genus (Tilia) comprises of about 45 species of trees, native throughout most of the temperate northern hemisphere.

Southern Beeches

Once thought to be related to beeches, recent research has suggested that southern beeches are actually genetically distinctive and now placed in a family of their own. 

Rhododendrons

Rhododendron (from the Greek: rhodos, 'rose', and dendron, 'tree') is a large genus with over 800 species in the heather family (Ericaceae).  

Pines

Pines (Pinus) are native to most of the northern hemisphere. Evergreen and resinous, many are characterised by thick scaly bark.