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Arran Service-tree Sorbus pseudofennica (Rosaceae) HEIGHT to 7m. An upright tree (treated as a ‘microspecies of Bastard Service-tree S. x thuringiaca by some ). LEAVES Pinnately divided with 7-9 pairs of veins; proximal 1-2 pairs of leaflets are free. REPRODUCTIVE PARTS Fruits are scarlet, to 12mm long, with few lenticels. STATUS AND DISTRIBUTION More-or-less restricted to a single site on Arran, growing on granite, with a population of around just 400 plants.