133524 European Hop-Hornbeam Ostrya carpinifolia (Betulaceae) HEIGHT to 19m. A spreading tree with a domed crown and robust bole. BARK Grey-brown, with squarish plates. BRANCHES Almost level when growing in the open but in a woodland the branches may be crowded and ascending. LEAVES Similar to Hornbeam. REPRODUCTIVE PARTS Fruits in clusters with a superficial resemblance to bunches of hops. STATUS AND DISTRIBUTION Native of mainland Europe; in Britain it occurs mainly in well-established gardens.