Difference between revisions of "Service Tree"

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|genus=Sorbus
 
|genus=Sorbus
 
|species=domestica
 
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|taxo_author=L.
 
|common_name=Service tree
 
|common_name=Service tree
 
|name_ref=Flora - A Gardener's Encyclopedia
 
|name_ref=Flora - A Gardener's Encyclopedia
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|flower_season=early spring, mid spring, late spring
 
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'''''Sorbus domestica''''' ('''Service Tree''', or sometimes '''True Service Tree''' to distinguish it from the [[Wild Service Tree]]; syn. ''Cormus domestica'' (L.) Spach) is a species of ''[[Sorbus]]'' native to western, central and southern [[Europe]], northwest [[Africa]] ([[Atlas Mountains]]), and southwest [[Asia]] (east to the [[Caucasus]]).<ref name=rotach>Rotach, P. (1995). Service tree ''Sorbus domestica'' Technical guidelines for genetic conservation and use. EUFORGEN. Available [http://www.bioversityinternational.org/publications/pdf/860.pdf online (pdf file)]</ref><ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref><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=watsonia>Hampton, M., & Kay, Q. O. N. (1995). ''Sorbus domestica'' L., new to Wales and the British Isles. ''[[Watsonia (journal)|Watsonia]]'' 20 (4): 379-384. Available [http://www.watsonia.org.uk/Wats20p379.pdf online (pdf file)]</ref><ref name=bsbi>Hampton, M. (1996). Sorbus domestica L. - comparative morphology and habitats. ''BSBI News'' 73.</ref>
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It is a [[deciduous]] [[tree]] growing to 15–20 m (rarely to 30 m) tall with a trunk up to 1 m diameter, though can also be a [[shrub]] 2–3 m tall on exposed sites. The [[bark]] is brown, smooth on young trees, becoming fissured and flaky on old trees. The winter buds are green, with a sticky resinous coating. The [[leaf|leaves]] are 15–25 cm long, [[leaf shape|pinnate]] with 13-21 leaflets 3–6 cm long and 1 cm broad, with a bluntly acute apex, and a serrated margin on the outer half or two thirds of the leaflet. The [[flower]]s are 13–18 mm diameter, with five white petals and 20 creamy-white stamens; they are produced in [[corymb]]s 10–14 cm diameter in late spring, and are [[plant sexuality|hermaphrodite]] and insect pollinated. The [[fruit]] is a [[pome]] 2–3 cm long, greenish-brown, often tinged red on the side exposed to sunlight; it can be either apple-shaped (f. ''pomifera'' (Hayne) Rehder) or pear-shaped (f. ''pyrifera'' (Hayne) Rehder).<ref name=rotach/><ref name=rushforth/><ref name=afm/><ref name=watsonia/>
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It is a long-lived tree, with ages of 300–400 years estimated for some in Britain.<ref name=watsonia/>
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Sorbus domestica, Linn. (Pyrus Sorbus, Gaertn. P. domestica. Smith. Cormus domestica, Spach). Service Tree. Fig. 3650. Round-headed tree, 30-60 ft. high: winter buds glutinous: petioles tomentose; lfts. 11-17, obovate-oblong to oblong, sharply and rather coarsely serrate, with acuminate teeth, usually entire near the base, green and glabrous above, floccose-tomentose beneath, at least when young, 1-2 1/2 in. long: fls. white, 1/2 in. across, in broadly pyramidal rather loose, tomentose corymbs: fr. 1/2 – 1 1/4 in. across, usually yellowish, with red or orange cheek, apple-shaped in var. maliformis, Lodd., pear-shaped in var. pyriformis, Lodd. May. S. Eu., N. Afr., and W. Asia.—This species is often confounded with the European mountain-ash, from which it is almost indistinguishable without frs. or fls., except by the glutinous winter buds.
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Sorbus domestica, Linn. (Pyrus Sorbus, Gaertn. P. domestica. Smith. Cormus domestica, Spach). Service Tree. Fig. 3650. Round-headed tree, 30-60 ft. high: winter buds glutinous: petioles tomentose; lfts. 11-17, obovate-oblong to oblong, sharply and rather coarsely serrate, with acuminate teeth, usually entire near the base, green and glabrous above, floccose-tomentose beneath, at least when young, 1-2 1/2 in. long: fls. white, 1/2 in. across, in broadly pyramidal rather loose, tomentose corymbs: fr. 1/2 – 1 1/4 in. across, usually yellowish, with red or orange cheek, apple-shaped in var. maliformis, Lodd., pear-shaped in var. pyriformis, Lodd. May. S. Eu., N. Afr., and W. Asia. G.C. II. 1:283; 6:649. M.D.G. 1897:376-8. H.W.3,pp.80,81. G.W. 1,p. 158. —This species is often confounded with the European mountain-ash, from which it is almost indistinguishable without frs. or fls., except by the glutinous winter buds.
 
 
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==Cultivation==
 
==Cultivation==
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===Propagation===
 
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===Pests and diseases===
 
===Pests and diseases===
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==Species==
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==Varieties==
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Image:Upload.png| photo 1
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Image:Sorbus domestica.JPG|Foliage and fruit
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Image:Sorbus-domestica.jpg|Foliage and fruit
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Image:Sorbus-domestica-bark.jpg|Bark
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Image:Speierling002.jpg|details of a tree
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Image:Sorbus domestica habit.jpg|Tree
 
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==References==
 
==References==
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*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
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<!--- xxxxx  *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381  -->
 
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<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
 
<!--- xxxxx  *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432  -->
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Latest revision as of 22:35, 7 June 2010


Sorbus domestica FruitsLeaves BotGardBln0906a.JPG


Plant Characteristics
Habit   tree

Height: ⇕ 30 ft"ft" can not be assigned to a declared number type with value 30. to 50 ft"ft" can not be assigned to a declared number type with value 50.
Width: ⇔ 30 ft"ft" can not be assigned to a declared number type with value 30.
Lifespan: ⌛ perennial
Bloom: ❀ early spring, mid spring, late spring
Cultivation
Exposure: ☼ sun
Features: ✓ deciduous, flowers
USDA Zones: 6 to 10
Flower features: ❀ white
Scientific Names

Rosaceae >

Sorbus >

domestica >

L. >


Sorbus domestica (Service Tree, or sometimes True Service Tree to distinguish it from the Wild Service Tree; syn. Cormus domestica (L.) Spach) is a species of Sorbus native to western, central and southern Europe, northwest Africa (Atlas Mountains), and southwest Asia (east to the Caucasus).[1][2][3][4][5]

It is a deciduous tree growing to 15–20 m (rarely to 30 m) tall with a trunk up to 1 m diameter, though can also be a shrub 2–3 m tall on exposed sites. The bark is brown, smooth on young trees, becoming fissured and flaky on old trees. The winter buds are green, with a sticky resinous coating. The leaves are 15–25 cm long, pinnate with 13-21 leaflets 3–6 cm long and 1 cm broad, with a bluntly acute apex, and a serrated margin on the outer half or two thirds of the leaflet. The flowers are 13–18 mm diameter, with five white petals and 20 creamy-white stamens; they are produced in corymbs 10–14 cm diameter in late spring, and are hermaphrodite and insect pollinated. The fruit is a pome 2–3 cm long, greenish-brown, often tinged red on the side exposed to sunlight; it can be either apple-shaped (f. pomifera (Hayne) Rehder) or pear-shaped (f. pyrifera (Hayne) Rehder).[1][2][3][4]

It is a long-lived tree, with ages of 300–400 years estimated for some in Britain.[4]


Read about Service Tree in the Standard Cyclopedia of Horticulture 

Sorbus domestica, Linn. (Pyrus Sorbus, Gaertn. P. domestica. Smith. Cormus domestica, Spach). Service Tree. Fig. 3650. Round-headed tree, 30-60 ft. high: winter buds glutinous: petioles tomentose; lfts. 11-17, obovate-oblong to oblong, sharply and rather coarsely serrate, with acuminate teeth, usually entire near the base, green and glabrous above, floccose-tomentose beneath, at least when young, 1-2 1/2 in. long: fls. white, 1/2 in. across, in broadly pyramidal rather loose, tomentose corymbs: fr. 1/2 – 1 1/4 in. across, usually yellowish, with red or orange cheek, apple-shaped in var. maliformis, Lodd., pear-shaped in var. pyriformis, Lodd. May. S. Eu., N. Afr., and W. Asia.—This species is often confounded with the European mountain-ash, from which it is almost indistinguishable without frs. or fls., except by the glutinous winter buds. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Propagation

Pests and diseases

Varieties

Gallery

  • Foliage and fruit

  • Foliage and fruit

  • Bark

  • details of a tree

  • Tree

References

  1. ↑ 1.0 1.1 Rotach, P. (1995). Service tree Sorbus domestica Technical guidelines for genetic conservation and use. EUFORGEN. Available online (pdf file)
  2. ↑ 2.0 2.1 Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
  3. ↑ 3.0 3.1 Mitchell, A. F. (1974). A Field Guide to the Trees of Britain and Northern Europe. Collins ISBN 0-00-212035-6
  4. ↑ 4.0 4.1 4.2 Hampton, M., & Kay, Q. O. N. (1995). Sorbus domestica L., new to Wales and the British Isles. Watsonia 20 (4): 379-384. Available online (pdf file)
  5. ↑ Hampton, M. (1996). Sorbus domestica L. - comparative morphology and habitats. BSBI News 73.

External links


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