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{{Inc|
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.
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#redirect [[Black Alder]]
#redirect [[Black Alder]]
