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China-Aster (Callistephus)

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Home « Callistephus

China-Aster Genus Details

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The china-aster is a popular bedding plant that is native to the Orient. The leaves are oval-shaped and coarsely toothed along the edges. Flower colors range from purple and red to pink, white and blue. They usually reach up to 3 inches in height.

China-Aster Allergy Info

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These are considered allergenic, although few formal reports can be found.

China-Aster Pollen Description

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Callistephus has pollen of the Baccharis-type. Baccharis pollen grains are oblate-spheroidal to prolate-spheroidal; the amb triangular, 3-4 lobate and 3-4 colporate. The sexine is generally thick, tectate, and has long spines. The intine is thin but slightly thickened below the apertures.
The grains are typically 20-30 micrometers in diameter.
Baccharis halimifolia, single grain. Herb. MIN. Callistephus has pollen of the Baccharis type.
Baccharis halimifolia, single grain. Herb. MIN. Callistephus has pollen of the Baccharis type.
Baccharis halimifolia, multiple grains.  Herb. MIN. Callistephus has pollen of the Baccharis type.
Baccharis halimifolia, multiple grains. Herb. MIN. Callistephus has pollen of the Baccharis type.

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
China-Aster (Callistephus) is a genus of the ASTERACEAE family.
This genus includes the following allergenic species:

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China-Aster 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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