Sorbus pseudomeinichii Sorbus pseudomeinichii Sorbus pseudomeinichii, known as false rowan and Catacol whitebeam, is a rare tree endemic to the Isle of Arran in south west Scotland. It is believed to have arisen as a hybrid of the native rowan ("Sorbus aucuparia") and the cut-leaved whitebeam ("Sorbus pseudofennica") which is in turn a rowan/Arran whitebeam ("Sorbus arranensis") hybrid. Only two specimens of the Catacol whitebeam are known, making it the rarest tree in Scotland and also the United Kingdom. A third was recorded as a sapling but is believed to have been destroyed by deer. A seedling has also been grown in
Sorbus aucuparia and white, while the heart-wood is brown. In almost treeless regions it is used as firewood. The leaves are sometimes used as fodder for livestock while the fruit are used against erysipeloid infections in domestic pigs and goats. Bark of the plant was used to dye wool brown or red. Honey from "S. aucuparia" flowers is strongly aromatic and has a reddish color. "Sorbus aucuparia" is planted in mountain ranges to fortify landslides and avalanche zones. It is also used as an ornamental plant in parks, gardens, or as an avenue tree. Ornamental cultivars include 'Asplenifolia', which has divided and