Hophornbeam (Ostrya virginiana)

Plantae>Magnoliophyta>Magnoliopsida>Fagales>Betulaceae>Ostrya virginiana (P. Mill.) K. Koch

A fairly common understory tree, similar to the related American Hornbeam (Carpinus caroliniana) but with rough bark and hop-like fruiting clusters.

Male flower clusters (catkins) appear in early spring.

Person Co., NC 4/1/06.

Person Co., NC 4/1/06.

Witches'-brooms, growths of dense clusters of branchlets caused by various pathogens, are very common on Hophornbeam.

The shreddy bark is quite unlike the smooth, muscular bark of American Hornbeam.

Bark of a small tree.

Person Co., NC 4/1/06.

More information:
Floridata
Trees of Alabama and the Southeast
UCONN
US Forest Service Silvics Manual
Virginia Tech Dendrology

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Revised 3/30/08 cwcook@duke.edu

All photographs and text ©2008 by Will Cook unless otherwise indicated.