Alnus rubra Other names: Red alder, Western red alder, Western alder.
Alder is almost white when freshly cut but quickly changes on exposure to air to light brown with a yellow or reddish tinge. Heartwood is formed only in trees of advanced age and there is no visible boundary between sap and heartwood. The wood is fairly straight grained with a uniform texture. Alder is commonly sold in the rough cut form. It can also be surfaced, (S2S), upon request.