Catkins are the elongated male flowers of many trees and shrubs, including Oaks, Walnuts, Hickories, Honeylocusts, Birches, Hornbeams, Filberts, and Harry Lauder's Walkingstick (shown here).
Website Administrator: Dr. Tim Rhodus Department of Horticulture and Crop Science Email: rhodus.1@osu.edu © 2002 Ohio State University
