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Wood Anatomy And Relationships Of Betula Uber, W. John Hayden, Sheila M. Hayden
Wood Anatomy And Relationships Of Betula Uber, W. John Hayden, Sheila M. Hayden
Biology Faculty Publications
Wood anatomy of Betula uber (Ashe) Fernald is described and compared with woods of other birches belonging to series Humiles and series Costatae. Anatomically, wood of B. uber is typical of birches in general. On the basis of pore size and frequency, fiber characteristics, axial xylem parenchyma distribution, and absence of aggregate rays, it is argued that B. uber is properly classified in series Costatae. Resolution of its relationships within series Costatae is not apparent from wood data.