Black Alder

Alnus glutinosa subsp. var.	Black alder, Common alder
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	Betulaceae > Alnus glutinosa var. ,

For the Black Alder (Ilex verticillata), see American Winterberry.

Alnus glutinosa {{{latin_name}}}	Black Alder, European Alder, Common Alder
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Standard Cyclopedia of Horticulture

Alnus glutinosa, Gaertn. (A. vulgaris, Hill. A. rotundifolia, Mill. A. communis, Desf.). Black Alder. Tree, to 70 ft.: lvs. orbicular or obovate, rounded or emarginate at the apex, 2-5 in. long, irregularly obtusely serrate, with 5-7 pairs of veins, nearly glabrous beneath, glutinous when unfolding: cones distinctly peduncled. Eu., N. Afr., Asia, naturalized in some localities in N. Amer. H.W. 2:12. H.T. 130. — A vigorously growing tree with dark green, dull foliage, valuable for planting in damp situations. Commonly planted in many forms: Var. aurea, Versch. Lvs. yellow. I.H. 13:490. Var. denticulate, Ledeb. (A. oblongata, Willd.). Lvs. usually cuneate, serrulate. S. Eu. Var. barbata, Gallier (A. barbata, C. A. Mey.). Lvs. ovate, acute, pubescent on the veins beneath. Caucasus. Var. imperialis, Desf. Lvs. deeply pinnately lobed with lanceolate or nearly linear lobes. Var. incisa, Willd. (var. oxyacanthifolia, Spach). Lvs. small, deeply incised, like those of Crataegus oxyacantha. Var. laciniata, Willd. Lvs. pinnately lobed; lobes oblong. Var. rubrinervia, Dipp. Lvs. large and shining, with red nerves and petioles: pyramidal tree of vigorous growth, very handsome. 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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

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Propagation

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Pests and diseases

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Species

There are four subspecies:

• Alnus glutinosa subsp. glutinosa. Europe.
• Alnus glutinosa subsp. barbata. Northern Anatolia (Rize,Trabzon, Artvin)
• Alnus glutinosa subsp. antitaurica. Southern Anatolia, rare.
• Alnus glutinosa subsp. betuloides. Eastern Anatolia.

Gallery

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• 
  Female inflorescence
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  Recently coppiced stumps, showing the orange-red wood
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  photo 3

References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

External links

• w:Black Alder. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
• Black Alder QR Code (Size 50, 100, 200, 500)