A Flora and Fauna of Symi

A personal guide to the wildlife of Symi and beyond

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Walnut Trees

An unusual find for Symi are these two walnut trees high up in the mountains. They are likely to be planted as cultivated specimens as they are close to an extensive disused terrace system and at the edge of a ravine where there is a better chance of a water source. Walnut trees can live to a great age of over two hundred years and can have a diameter at the trunk of 8 foot or more although these trees are probably 3 - 4ft in diameter. The leaves contain a natural herbicide so nothing will grow under the trees where the leaves fall. The largest native forests are in Kyrgyzstan, where trees occur in extensive, nearly pure walnut forests at 1,000–2,000 m and the Balkans are at the very limit of their natural range. Juglans regia.

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