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.
Pinus patula
Mexican weeping pine

Tag 77
54 deg 34.973N
5 deg 56.109W

The Mexican weeping pine is a native of the highlands of Mexico. It has been planted as a timber tree in South Africa, India and Argentina but can become an invasive species in some places. In Hawaii and Malawi it is invading mountain grasslands. It is not only a valuable timber tree but also produces a resin from which turpentine can be produced. The turpentine is said to have medicinal properties and the needles yield a green dye.

Description: this is a 3-needle pine (compare with 2-needle pines such as Pinus sylvestris and Pinus nigra, and 5-needle pines such as Pinus wallichiana all of which are also in Belfast Botanic Gardens). The buds are long and narrow and the sheaths of the fascicles (the bunches of three needles) are up to 30mm long. The needles typically hang down either side of the branch. The cones are curved and very hard. This attractive tree has an RHS Award of Merit. The young specimen in Belfast Botanic Gardens has not yet produced cones.

Pinus patula in Belfast Botanic Gardens Pinus patula
Pinus patula in Belfast Botanic Gardens Pendulous needles of Pinus patula
elongated buds of Pinus patula Pinus patula - needles in threes
Characteristic elongated buds of Pinus patula Needles of Pinus patula typically in threes

Photos taken in Belfast Botanic Gardens in 2015. Copyright: Friends of Belfast Botanic Gardens.

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