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Zelkova (view source)

Revision as of 20:00, 20 February 2009

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from flora
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{{Taxobox
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__NOTOC__{{Plantbox
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| color = lightgreen
   
| name = ''Zelkova''
 
| name = ''Zelkova''
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| image = Zelkova serrata.jpg
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| common_names =    <!--- if multiple, list all, if none, leave blank -->
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| image_width = 260px
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| growth_habit = deciduous tree
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| image_caption = ''Zelkova serrata''
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| high =    <!--- 1m (3 ft) -->
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| regnum = [[Plant]]ae
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| wide =    <!--- 65cm (25 inches) -->
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| divisio = [[flowering plant|Magnoliophyta]]
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| origin = China, Japan, Caucasus, Crete
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| classis = [[dicotyledon|Magnoliopsida]]
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| poisonous =    <!--- indicate parts of plants which are known/thought to be poisonous -->
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| ordo = [[Rosales]]
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| lifespan = perennial
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| familia = [[Ulmaceae]]
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| exposure = full sun
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| genus = '''''Zelkova'''''
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| water =    <!--- frequent, regular, drought tolerant, let dry then soak -->
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| genus_authority = [[Édouard Spach|Spach]]
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| features =    <!--- flowers, fragrance, naturalizes, invasive -->
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| subdivision_ranks = Species
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| hardiness = hardy
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| subdivision = See text
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| bloom =    <!--- seasons which the plant blooms, if it is grown for its flowers -->
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| usda_zones =    <!--- eg. 8-11 -->
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| sunset_zones =    <!--- eg. 8, 9, 12-24, not available -->
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| color = IndianRed
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| image = Upload.png  <!--- Freesia.jpg -->
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| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
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| image_caption =     <!--- eg. Cultivated freesias -->
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| regnum = Plantae
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| divisio = Magnoliophyta
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| classis = Magnoliopsida
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| ordo = Rosales
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| familia = Ulmaceae
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| genus = Zelkova
 
}}
 
}}
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Round-shaped trees with spreading tops. Related to elms, but not susceptible to Dutch elm disease.
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'''''Zelkova''''' is a [[genus]] of six species of [[deciduous]] [[tree]]s in the elm family [[Ulmaceae]], native to southern [[Europe]], and southwest and eastern [[Asia]]. They vary in size from [[shrub]]s (''Z. sicula'') to large trees up to 35 m tall (''Z. carpinifolia'').
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Leaves are:
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simple,
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elliptical,
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pointed,
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edges heavily serrated,  
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veins stand out,  
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may display attractive color in the fall
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The name ''Zelkova'' ultimately derives from the native name of ''Z. carpinifolia'' in one or more of the [[languages of the Caucasus]], as shown by the [[Georgian language|Georgian]] name, {{Unicode|ძელქვა}} (dzelkva. ძელ dzel meaning a bar, and ქვა kva meaning a rock. The tree was often used for making rock-hard and durable bars for the building).
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Bark is a attractive in some species, where it may flake off showing nice patterns and colors.
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The flowers both male and female as well as the small fruit (nut-like) are overall inconspicuous.
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==Cultivation==
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{{monthbox
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| color = IndianRed
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| name = Zelkova
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| jan =
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| feb =
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| mar =
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| apr =
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| may =
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| jun =
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| jul =
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| aug =
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| sep =
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| oct =
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| nov =
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| dec =
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| notes =
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}}
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Rather frost hardy, shelter from strong winds during trees development for nicest shape. Prune to a strong single trunk when young as well. Does best in fertile, deep soil with good drainage.  Plant in full sun.
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===Propagation===
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Seed, root cuttings, grafts
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===Pests and diseases===
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{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
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==Species==
 
;Species
 
;Species
 
*''[[Zelkova abelicea]]'' - Cretan Zelkova
 
*''[[Zelkova abelicea]]'' - Cretan Zelkova
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*''[[Zelkova × verschaffeltii]]'' ''(Z. carpinifolia × Z. serrata)''
 
*''[[Zelkova × verschaffeltii]]'' ''(Z. carpinifolia × Z. serrata)''
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The Sicilian Zelkova ''Z. sicula'', only discovered in [[1991]], is listed as an [[endangered species]]. The only known population comprises a small number of low [[shrub]]s suffering from severe [[overgrazing]]; the natural mature size of undamaged specimens is unknown.
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==Gallery==
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{{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery  -->
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''Zelkova serrata'' and ''Z. carpinifolia'' are grown as [[ornamental tree]]s.
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<gallery>
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Image:Upload.png| photo 1
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Image:Upload.png| photo 2
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Image:Upload.png| photo 3
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</gallery>
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The genus ''Zelkova'' was common throughout [[North America]] and [[Northern Europe]] as late as the [[Pliocene]]. However, extensive [[Pleistocene]] [[glaciation]] has confined the genus to its present range south of the [[Alps]] and [[Pyrenees]], and in [[East Asia]] where only local glaciation occurred.
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==References==
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*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  -->
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<!--- xxxxx  *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608  -->
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==References and external links==
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==External links==
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*Andrews, S. (1994). Tree of the year: Zelkova. ''Int. Dendrol. Soc. Yearbook'' 1993: 11-30.
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*{{wplink}}
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*de Spoelberch, P. (1994). Zelkova: More questions than answers. ''Int. Dendrol. Soc. Yearbook'' 1993: 30-33.
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*Hunt, D. (1994). Beware of the Zelkova. ''Int. Dendrol. Soc. Yearbook'' 1993: 33-41.
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*Rushforth, K. (1999). ''Trees of Britain and Europe''. HarperCollins ISBN 0-00-220013-9
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*[http://www.dipbot.unict.it/fito_new/territori/distribleo/zelkova_sicula.html ''Zelkova sicula'' photos]
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*[http://www.amen.org.uk/vorwelt/megasucc/megac10.htm Survivors from the Tertiary]
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*[http://www.iucn.org/themes/ssc/our_work/plants/Top50/English/Zelkova_sicula_EN.htm Zelkova sicula at IUCN]
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[[Category:Ulmaceae]]
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{{stub}}
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[[Category:Horticulture]]
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[[Category:Categorize]]
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