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Planetree, Sycamore (Platanus)

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Planetree, Sycamore Genus Details

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Sycamores are large trees with grayish scaling bark and deciduous, alternate, palmately-shaped leaves (with parts diverging from a common base, as the fingers of a hand), with hairs on the underside. The trees are popular street and shade trees in North America and are wind pollinated.
Sycamore genus (Platanus)
Sycamore genus (Platanus)
Sycamore genus (Platanus)
Sycamore genus (Platanus)

Planetree, Sycamore Allergy Info

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Sycamore pollen is allergenic, but considered only of moderate importance on skin tests.

Planetree, Sycamore Pollen Description

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The pollen grains are suboblate, the amb triangular and lobed and 3-colpate. The colpi are short and broad and the sexine is finely reticulate.
Pollen grains are usually 17-19 x 18-20 micrometers.
Platanus occident, single grain. Herb. MIN
Platanus occident, single grain. Herb. MIN
Platanus occident, multiple grains. Herb. MIN
Platanus occident, multiple grains. Herb. MIN

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
Planetree, Sycamore (Platanus) is a genus of the PLATANACEAE family.
This genus includes the following allergenic species:

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Planetree, Sycamore 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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