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Azalea, Rhododendron (Rhododendron)

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Azalea, Rhododendron Genus Details

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There are approximately 800 species belonging to the Ericaceae (heath) family. Most are small, evergreen shrubs to small trees with leaves that are 3-6" long and 1 1/2-2 1/2" wide. The leaves are shiny above and whitish underneath. Flowers vary in color because of hybrid availability but the most common flower color is purple. The plants bloom in late spring to early summer and the fruit is an egg shaped capsule which matures in late summer. Rhododendron leaves are used in herbal medicine as a remedy for rheumatism.
Rhododendron (Rhododendron genus)
Rhododendron (Rhododendron genus)
Rhododendron (Rhododendron genus)
Rhododendron (Rhododendron genus)

Azalea, Rhododendron Allergy Info

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The heath family, of which azalea and rhodondendron are members, has been infrequently reported as a source of pollen allergy.

Azalea, Rhododendron 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
Azalea, Rhododendron (Rhododendron) is a genus of the ERICACEAE family.
This genus includes the following allergenic species:

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Azalea, Rhododendron 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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