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{{Inc| Alnus incana, Willd. Shrub or tree, to 60 ft. : branches pubescent: lvs. oval or oblong-ovate, acute, 1 1/4-4 in. long, doubly serrate, pubescent or nearly glabrous beneath: cones 4-8; mostly sessile, 1/2 in. long. Northern hemisphere, in different varieties. {{SCH}} }} ==Cultivation== {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line --> ===Propagation=== {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line --> ===Pests and diseases=== {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> ==Species== There are four to six subspecies, some treated as separate species by some authors{{wp}}: *''Alnus incana'' subsp. ''incana'' (Grey Alder). Northern [[Europe]] and northwestern [[Asia]], and central and southern Europe in mountains, mainly in the regions of the [[Alps]], [[Carpathian |Carpathians]] and the [[Caucasus]]. *''Alnus incana'' subsp. ''hirsuta'' (''A. hirsuta''; Manchurian Alder). Northeastern [[Asia]], and central Asia in mountains. *''Alnus incana'' subsp. ''kolaensis''. Subarctic northeast Europe. *''Alnus incana'' subsp. ''oblongifolia'' (''A. oblongifolia''; Arizona Alder). Southwestern [[North America]]. *''Alnus incana'' subsp. ''rugosa'' (''A. rugosa''; Speckled Alder). Northeastern [[North America]]. *''Alnus incana'' subsp. ''tenuifolia'' (''A. tenuifolia''; Thinleaf Alder or Mountain Alder). Northwestern [[North America]]. From SCH{{SCH}}: Var. glauca, Ait. (A. glauca, Michx.). Shrub, to 12 ft.: lvs. often nearly glabrous beneath. N. Amer., Eu. Em. 251. Var. vulgaris, Spach. Tree, to 50 ft.: lvs. usually densely pubescent beneath: cones 1 in. long. Eu., Asia. Var. pinnatifida, Spach (var. laciniata, Hort.). Lvs. pinnately lobed or cleft, with dentate lobes. ==Gallery== {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery --> <gallery> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 <!--- 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}} [[Category:Categorize]] <!-- in order to add all the proper categories, go to http://www.plants.am/wiki/Plant_Categories and copy/paste the contents of the page here, and then follow the easy instructions! -->
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