Alder Trees: Leaves, Bark, Flowers, Cones – Identification (Pictures)
The tall deciduous trees’ drooping flower clusters and brown woody strobiles (botanical name Alnus) are characteristics of alder trees. The two most prevalent alder tree species in North America and Europe are the Red Alder (Alnus rubra) and Black Alder (Alnus glutinosa), both of which are native. Alders develop into towering shade trees or extensive … Read more