Sorbus aucuparia harvest but be followed by a severe winter. "S. aucuparia" is used in the coats of arms of the German municipalities Ebernhahn, Eschenrode, and Hermsdorf, and of the Vysočina Region of the Czech Republic. Rowan is part of the coat of arms of the Metropolitan Borough of Wigan and the logo of both Wigan Athletic and Wigan Warriors. Sorbus aucuparia Sorbus aucuparia, commonly called rowan and mountain-ash, is a species of deciduous tree or shrub in the rose family. It is a highly variable species, and botanists have used different definitions of the species to include or exclude trees native
Arran whitebeams between "S. arranensis" and the mountain ash ("S. aucuparia"). The "Sorbus" group are apomictic, producing viable seed without the need for pollination and fertilisation. Each time this hybrid cross occurs a new clone is effectively produced. Smart showed by using physical characteristics that the species were separate and not a result of random variation. Some overlap does however occur and this suggests that some hybridising may occur between the two species. A number of other "Sorbus" species have been produced in this way, such as the Devon whitebeam, the Bristol whitebeam, the Cheddar whitebeam, Irish whitebeam, Lancaster whitebeam, etc. All