Alnus rubra - Wikipedia
Alnus rubra, the red alder, [3][4] is a deciduous broadleaf tree native to western North America (Alaska, Yukon, British Columbia, Washington, Oregon, California, Idaho and Montana). [2][5][6] Alnus rubra is the largest species of alder in North America and one of the largest in the world, reaching heights of 20 to 30 metres (66 to 98 ft).
Red Alder, Alnus rubra - Native Plants PNW
Red Alder is a host to nitrogen-fixing bacteria that form nodules on tree roots. Because of this association, the introduction of Red Alder to disturbed sites can quickly improve the fertility of soils, making the site more amenable to colonization by longer-living conifers.
Red Alder (Alnus rubra) | Oregon Wood Innovation Center
Of the ten species of Alnus native to the United States, red alder is the only one that reaches commercial size and abundance. It is also the most common and important of the hardwoods in the Pacific Northwest. Mature red alder trees are typically 70 to 120 ft in height (130 ft maximum) and 10 to 34 in. in diameter (70 in. maximum).
Red Alder - US Forest Service Research and Development
Red alder (Alnus rubra), also called Oregon alder, western alder, and Pacific coast alder, is the most common hardwood in the Pacific Northwest. It is a relatively short-lived, intolerant pioneer with rapid juvenile growth.
Alnus rubra english - US Forest Service Research and Development
Red alder (Alnus rubra) is the only commercial species in North America. Red alder is the most common hardwood in the Pacific Northwest and the largest of the American alders. It is a fast-growing, pioneer species and has nitrogen-fixing nodules on its roots. The wood is diffuse porous, moderately light, and soft. Alnus maritima-seaside alder.
Red Alder - Alnus rubra - PNW Plants - Washington State University
Red Alder is the most common native hardwood in the Pacific Northwest extending from southern California north to southeastern Alaska. This species is also known as Oregon alder, western alder, and Pacific coast alder. A medium sized tree reaching 50’-60’ in height and 30’ in width.
Alnus rubra | Landscape Plants | Oregon State University
rubra: Latin, red; inner bark is orange-red so wounds turn red. A cut-leaf red alder (Alnus rubra f. pinnatisecta) exists and is sometimes available in the nursery trade.
Red alder roots form the brown pattern in baskets made by the Whilkut tribe of northwestern California. Wildlife: Deer and elk eat the leaves, twigs, and buds. Red alder seeds attract many bird and small mammal species including redpolls, siskins, goldfinches, and mice.
Alnus rubra - Red alder | Urban Garden Ecology - Portland State …
Common name (s): Red alder. General bloom time: early spring, tree will flower with red blossoms. Identification: deciduous tree; can reach nearly 25 feet in height; bark is thin, grey, and smooth often with patches of lichens; wood turns red when cut.
The Red Alder: Origin, Growth Habit, and Landscape Potential
2024年9月19日 · Red alder is a versatile tree essential in natural ecosystems and managed landscapes. Its rapid growth, nitrogen-fixing ability, and adaptability to disturbed sites make it valuable for soil stabilization, erosion control, and ecological restoration projects.