Quercus Robur Fastigiata Koster

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Quercus Robur Fastigiata Koster

Source: bing.com Description Quercus Robur Fastigiata Koster, commonly known as the Koster columnar oak, is a deciduous tree with a unique fastigiate form. It has a narrow, columnar shape, growing up to 15 meters tall and 4 meters wide. Quercus Robur Fastigiata Koster has an interesting feature of leaves that are deeply lobed with wavy margins. It is a cultivar…