Hop-Hornbeam (Ostrya)
Hop-Hornbeam Genus Details
Hophornbeams are small hardwood trees with leaves that resemble birch leaves. These leaves are simple and alternate. The trees grow in moist soils, and can reach heights of 50 feet. The fruit is a one seeded nut and is the source for the common name of "hop" hornbeam. The clusters tend to look like hops.
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Hop-hornbeam (Ostrya virginiana)
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Hop-Hornbeam Allergy Info
Hophornbeams have been known to cause allergic reactions but exposure to the pollen is more limited than others in the allergenic Betulaceae family.
Hop-Hornbeam Pollen Description
Pollen grains are isopolar, suboblate to oblate or oblate-spheroidal and usually have 3 or occasionally 4 pores. The exine of hophornbeam pollen is granular.
Pollen grains vary in size from 16-20 x 21-24 micrometers.
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Ostrya virginiana, single grain. Herb. MIN
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Ostrya virginiana, multiple grains. Herb. MIN
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Hop-Hornbeam (Ostrya) is a genus of the BETULACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
