Wild Service Tree is an uncommon medium-sized native broadleaved species usually associated with being an indicator of ancient woodland sites. Rarely found in pure stands, but sometimes in groups from suckering though usually as individuals in mixed woodlands. It is a useful species when planting hedges of native trees.
The taxonomy of the Sorbus complex has undergone considerable revision in recent years. In particular, Sennikov & Kurtto (2017) published a comprehensive checklist proposing the recognition of several segregate genera based largely on molecular phylogenetic evidence. Under this treatment, the traditional genus Sorbus was divided into distinct genera including Aria, Cormus, Torminalis, Hedlundia and Karpatiosorbus.
However, these changes have not been universally accepted. More recent authors have adopted alternative classifications, with some merging several of the segregate genera again, while others, including Tim Rich et al in his recent treatment of the British flora, continue to recognise Sorbus in the traditional sense pending wider taxonomic consensus.
For reasons of stability and familiarity, Trebrown currently follows the traditional broad concept of Sorbus on this website, while acknowledging the alternative modern classifications. See our full Sorbus report.
The Wild Service Tree is sometimes known as the ‘chequers tree’ a reference to its brown spotted fruit. These were used to flavour beer and the ‘chequers’ name can be linked to pubs of that name as well its more common name ‘service-tree’ which derives from the Latin for beer ‘cervisia’. Native to southern Britain and western and southern Europe. In Britain wild service-tree fits into the National Vegetation Classification (NVC) W8.
Like all Sorbus this is light demanding species adapted to warm climates and rainfall from 800 to 1500 mm. Wild service-tree should be planted on rich fertile soils of fresh to moist moisture status, including alkaline soils of adequate rooting depth. It is not suited to very dry or nutritionally poor soils or very moist to very wet soils but does grow well on clay soils. The species can be grown in mixture with nitrogen fixing trees or shrubs.
A useful plant for wildlife and should be considered in planting schemes and as a garden plant. The showy white flowers are an excellent nectar source for many invertebrates and the berries are an important food for many birds which disperse the seeds in their droppings.
At Trebrown Nurseries we maintain our own registered seed stands on Trebrown Farm, which remain the only seed stand registered in Cornwall. Wild Service Tree is not a FRM controlled species, but is certified under the voluntary FRM scheme.