The Buckthorn Family

(Rhamnaceae)

 

Family Description

The flowering plants in this family are trees or shrubs with simple leaves. The petals are green and are usually really small, or even completely absent. All of them have a berry as a fruit.

 

Alder Buckthorn

Frangula alnus

Alder Buckthorn

Alder Buckthorn grows into a shrub or small tree, up to 5 metres high.

The leaves are similar to the Alder tree, hence the "Alder" part of the name. However, it is not closely related to the Alder tree.

A long time ago, Alder Buckthorn was grown in Sussex and Kent, to be used to make charcoal and fast-burning gunpowder.

 

Habitat

Damp woods, hedgerows, heaths and at the edge of wetlands.

 

Special features

The flowers are green and have a smooth-edge.

The leaves are oval and shiny green and hairy beneath when young.

 

Reproduction

Each flower contains both male and female parts. Various insects, especially bees, pollinate the Alder Buckthorn.

The berry is greenish at first, but then turns red and finally black.

 

Distribution

Seasonal

Flowers appear from May to July.

Geographical

Abundant in England and Wales, but not in Scotland. It is rare in Ireland.

 

Fun Fact Despite its name, the Alder Buckthorn does not have any thorns!