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Arran Whitebeam Sorbus arranensis (Rosaceae) HEIGHT to 7m. A rather domed tree (a stable and fertile hybrid between Rowan S. aucuparia and Cliff Whitebeam S. rupicola). LEAVES Narrowly oval to elliptical in overall outline but with finely-toothed rounded lobes, cut roughly half-way to midrib; 7-8 pairs of veins. REPRODUCTIVE PARTS Fruits are red, to 10mm long, with few lenticels. STATUS AND DISTRIBUTION Restricted to granite streamsides on Arran, the population numbering around 400.