Leaves: alternate, simple, deciduous, elliptic; less than 5.1 cm long; double serrate, soft-pubescent, especially below
Flowers: catkins
Fruit: conelike or hop-like cluster of nutlets, each in a papery bladder; less than 3.8 cm long
Bark: long thin shreds
Range: rare; in canyons 1220-2135 m W. Texas to S. Utah; in Az. only in W. Fork Oak Cr. and Grand Canyon
Importance: only western representative of Ostrya with only one eastern species; "ecological relict?" very hard wood
Best Recognized Features:
1. Bladder-like fruit in hop-like cluster
2. Double-serrate, soft pubescent leaves
3. Shreddy peeling bark