Plantae>Magnoliophyta>Magnoliopsida>Fagales>Betulaceae>Ostrya virginiana (P. Mill.) K. Koch
![]() | Hophornbeam is a fairly common understory tree, similar to the related American Hornbeam (Carpinus caroliniana) but with rough bark and hop-like fruiting clusters. Jones Co., NC 7/18/2008. |
![]() | Hophornbeam is especially common in rocky woods and in areas with basic bedrock. Granville Co., NC 5/16/09. |
![]() | Granville Co., NC 5/16/09. |
![]() | The leaves are similar in shape to the smooth leaves of American Hornbeam, but are hairy. Another common confustion species is American Hazelnut (Corylus americana). Jones Co., NC 7/18/2008. |
![]() | Leaf undersides. Jones Co., NC 7/18/2008. |
![]() | Female flowers apear in May. Granville Co., NC 5/16/09. |
![]() | Granville Co., NC 5/16/09. |
![]() | The hop-like fruiting clusters are papery and mostly filled with air. |
![]() | Durham Co., NC 4/1/07. |
![]() | 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. |
![]() | Bark of a large tree. Durham Co., NC 6/27/2009. |
More information:
Floridata
Trees of Alabama and the Southeast
UCONN
US Forest Service Silvics Manual
Virginia Tech Dendrology
Trees, Shrubs, and Woody Vines of North Carolina
cwcook@duke.eduAll photographs and text ©2011 by Will Cook unless otherwise indicated.