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Cat-Tail (Typha)

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Home « North Dakota « Williams « Typha

Cat-Tail Genus Details

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Cattails are about 6.6 feet high, with a round stem and long flat leaves. They are well known by their unisexual flowers borne above the leaves. The male flowers (sources of pollen) are located above the female flowers in long, dense, brown structures with a "fuzzy" appearance. The family only contains the genus Typha and the plants are commonly found growing in shallow freshwater areas.
Cattail (Typha genus)
Cattail (Typha genus)
Cattail (Typha genus)
Cattail (Typha genus)

Cat-Tail Allergy Info

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Cattails shed a great deal of pollen, and may be allergenic to some people. However, exposure is not typically great enough to be a significant source of allergy to the general public.

Cat-Tail Pollen Description

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Cattail pollen grains are either single (Typha angustifolia) or united in tetrads (Typha latifolia). The grains are 1-porate and the pores are generally circular. The exine is reticulate.
Single grains are 20-26 micrometers and pollen grains in tetrads are 40-50 micrometers.
Typha latifolia, single grain. Herb. MIN
Typha latifolia, single grain. Herb. MIN
Typha latifolia, multiple grains. Herb. MIN
Typha latifolia, 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
Cat-Tail (Typha) is a genus of the TYPHACEAE family.
This genus includes the following allergenic species:

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Cat-Tail 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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