Alder, genus of about 30 species of ornamental shrubs and trees in the birch family (Betulaceae). Alders are distributed throughout the Northern Hemisphere and in parts of western South America on cool wet sites. Several species are cultivated for their useful wood.
Alder (Alnus) is a genus of flowering deciduous trees in the family Betulaceae. There are about 35 alder species, comprising of large trees and smaller shrub-like trees. Many species of alders grow between 66 and 100 ft. (20 – 30 m) tall.
alder tree alaska, Alder trees (Alnus spp.) include 30 species of trees in the birch family. Learn their main characteristics, growing tips, and how to identify them. Depending on the species, they can grow from small, multi-stemmed shrubs to tall trees up to 35 meters in height. The leaves of alder trees are usually simple, alternate, and can range from broadly ovate to elliptical. They often have serrated or double-serrated edges.
alder tree alaska, Alder trees are closely related to birch trees, as they both belong to the same scientific family. There are several dozen species of alder trees, all belonging to the Alnus genus. Alder trees grow primarily near bodies of water in cooler temperate regions throughout the Northern Hemisphere. There are two main types of alder trees: red alder (Alnus rubra) and black alder (Alnus glutinosa). Red alder trees are primarily found in North America, particularly in the Pacific Northwest, while black alder trees are native to Europe and parts of Asia. The alder is a widespread genus of deciduous trees and shrubs known for their rapid growth and ability to thrive in poor soils.
Belonging to the genus Alnus, these plants are members of the birch family, Betulaceae. Alder is appreciated for its tone that is claimed to be tight and evenly balanced, especially when compared to mahogany, and has been adopted by many electric guitar manufacturers.
