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Bittersweet (Celastrus)

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Bittersweet Genus Details

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Bittersweet is native throughout eastern North America. In the fall, this vine is covered with yellow and red terminal clusters of fruit. The male and female flowers are on different plants. Bittersweet has small non-showy male flowers on one plant and female flowers on another. The vines have small alternate leaves. Bittersweet is insect pollinated, but their open flowers with exposed anthers will shed some pollen. Horses have been poisoned by eating the leaves of this vine.

Bittersweet Allergy Info

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This can be a local concern in pollinosis where exposure is very high, although reports have not been numerous.

Bittersweet Pollen Description

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No pollen description is currently available.

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Bittersweet (Celastrus) is a genus of the CELASTRACEAE family.
This genus includes the following allergenic species:

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Bittersweet Genus Location

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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

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