Oak / Quercus

Tan-Oak, tanbark (Lithocarpus)

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Tan-Oak, tanbark Genus Details

Tan-oak grows well only in rich, moist, well-drained soil in Oregon and California where it is native. The alternate, leathery, evergreen leaves are 1 1/2-4" long and their general habit is low and open. Tanbarks can grow to 75' tall. The fruit is an acorn about 1" long and flowers are catkins 2-4" long.

Tan-Oak, tanbark Allergy Info

Tan-oak pollen is not typically considered allergenic. The flowers have a bad odor but are not usually a source of allergy.

Tan-Oak, tanbark Pollen Description

No pollen description is currently available.

Species in This Genus

Allergenicity Legend:

Mild Allergen |

Moderate Allergen |

Severe Allergen |

Allergy Test Available

Tan-Oak, tanbark (Lithocarpus) is a genus of the FAGACEAE family.
This genus includes the following allergenic species:

Tan-Oak (Lithocarpus densiflorus)

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Tan-Oak, tanbark Genus Location

Allergies By County Map For Tan-Oak, tanbark

The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.

- Native, observed in a county

- Introduced, observed in a county

- Rarely observed