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'''''Sorbus torminalis''''' ([[syn.]] ''Torminalis clusii'', '''Wild Service Tree'''), sometimes known as the '''Chequer(s) Tree''' or '''Checker(s) Tree''', is a species of ''[[Sorbus]]'' native to [[Europe]] from [[England]] and [[Wales]] east to [[Denmark]] and [[Poland]], south to northwest [[Africa]], and southeast to southwest [[Asia]] from [[Asia Minor]] to the [[Caucasus]] and [[Alborz]] mountains.<ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref><ref name=empp>Euro+Med Plantbase Project: [http://ww2.bgbm.org/_EuroPlusMed/PTaxonDetail.asp?NameId=29551&PTRefFk=500000 ''Sorbus torminalis'']</ref> [[Image:Sorbus torminalis Trunk and canopy.jpg|thumb|left|Trunk and leaf canopy]] It is a medium-sized [[deciduous]] [[tree]] growing to 15–25 m tall, with a trunk up to 1.3 m diameter. The [[bark]] is smooth and greyish, but flaky, peeling away in squarish plates to reveal darker brown layers. The [[leaf|leaves]] are 6–14 cm long and broad with a 2.5–5 cm petiole, dark green on both sides, with five to nine acute lobes; the basal pair of lobes are spreading, the rest more forward-pointing and decreasing in size to the leaf apex, and with finely toothed margins. The undersides have small hairs when young, but both sides are smooth and shiny when older; the autumn colour is yellow to red-brown. The [[flower]]s are 10–15 mm diameter, with five white petals and 20 creamy-white stamens; they are produced in [[corymb]]s 5–12 cm diameter in late spring to early summer, and are [[plant sexuality|hermaphrodite]] and insect pollinated. The [[fruit]] is a globose to ovoid [[pome]] 10–15 mm diameter, greenish to russet or brown, patterned with small pale [[lenticel]] spots when mature in mid to late autumn.<ref name=rushforth/><ref name=afm>Mitchell, A. F. (1974). ''A Field Guide to the Trees of Britain and Northern Europe''. Collins ISBN 0-00-212035-6</ref><ref name=blamey>Blamey, M. & Grey-Wilson, C. (1989). ''Flora of Britain and Northern Europe''. ISBN 0-340-40170-2</ref><ref name=cu>Cambridge University: [http://www-saps.plantsci.cam.ac.uk/trees/service.htm plantsci.cam.ac.uk ''Sorbus torminalis'']</ref> The fruit, sometimes called "chequers", are edible and taste similar to [[Date Palm|dates]], although they are now rarely collected for food. They are usually too [[astringent]] to eat until they are over-ripe and [[bletting|bletted]]. {{Inc| Sorbus torminalis, Crantz (Pyrus torminalis, Ehrh. Torminaria torminalis, Dipp. T. Clusii, Roem.). Wild Service Tree. Round-headed tree, with spreading branches, 40-80 ft. high: lvs. broadly ovate, slightly cordate to broadly cuneate at the base, with several triangular-ovate, serrate lobes on each side, the lower sinuses reaching about half-way to the middle, floccose-tomentose when young, finally glabrous, rarely with persistent tomentum, 2-4 in. long; petioles 1-1 3/4 in. long: fls. white, 1/2 in. across, in broad, rather loose tomentose corymbs: fr. oval, 1/2 – 3/4 in. high, brown, dotted. May, June. S. and Cent. Eu.—The foliage turns bright red in autumn. {{SCH}} }} ==Cultivation== ===Propagation=== ===Pests and diseases=== ==Varieties== There are two [[variety (botany)|varieties]]:<ref name=rushforth/> *''Sorbus torminalis'' var. ''torminalis''. Europe, northwest Africa. *''Sorbus torminalis'' var. ''caucasica''. Caucasus and Alborz Mountains. Leaves less deeply lobed than in var. ''torminalis''. ==Gallery== <gallery perrow=5> Image:Sorbus torminalis Weinsberg 20070929 5.jpg|Foliage and fruit Image:Sorbus torminalis leaves kz.jpg|Leaves Image:Alisier torminal.jpg|Flowers Image:ElsbeerFrucht.jpeg|Foliage and fruit Image:Sorbus torminalis Weinsberg 20070929 8.jpg|Autumn leaf colour </gallery> ==References== <references/> <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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