Belfast Botanic Gardens Tree Archive

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This series of short articles about trees in the Belfast Botanic Gardens is compiled by members of the Friends group and Gardens staff. We aim to build up to a comprehensive archive of trees in Belfast Botanic Gardens. Each article illustrates a tree growing in Belfast Botanic Gardens together with information from a range of sources. Where possible we will give the tree tag number - these are the small aluminium discs, usually fixed on the tree trunk, 2 to 3m above ground level.
Acer triflorum
Rough-Barked Maple or Three-Flowered Maple

Tag -
54deg 34.943N
5deg 55.823W
This very rare maple is another example of the genus in the maple collection in Belfast Botanic Gardens. It is a small, slow-growing tree from Northern China and Korea with distinctive leaves divided into three separate leaflets and pale grey-brown flaking bark. Like Acer maximowiczii which is close to it in the Botanic Gardens, it usually has spectacular autumn colour. The flowers are in threes, hence the species name. It was introduced in 1923, but rarely seen outside of arboreta and Botanic Gardens. Mature examples are in the Arnold Arboretum in Boston. RHS award of garden merit .The Belfast Botanic Gardens example is near the path from the Botanic School gate to the Palm House.
Acer triflorum in Belfast Botanic Gardens - autumn

Acer triflorum in Belfast Botanic Gardens - autumn

Acer triflorum in Belfast Botanic Gardens - autumn Acer triflorum in Belfast Botanic Gardens - autumn

Acer triflorum - 3 leaflets on each leaf

Acer triflorum - rough flaking bark

Acer triflorum - 3 leaflets on each leaf Acer triflorum - rough flaking bark
Photos taken in Belfast Botanic Gardens in 2009 and 2010. Copyright: Friends of Belfast Botanic Gardens.

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