Allergy Information

This genus has been documented to cause allergy symptoms, although not frequently.

Genus Details

Bald cypress have scale-like or needle-like leaves that resemble conifer foliage. They also have flat or peltate cone scales, with each scale producing 2 to 9 seeds. These trees grow in moist areas, commonly in swamps and wetlands.

Pollen Description

Grains are generally spheroidal and 1-aperturate. The sexine is microverrucate and the intine is thickened. Taxodiaceae grains resemble those of Cupressaceae, except they are slightly larger and have papillate apertures.

Grains are 28-36 micrometers in diameter.

Genus Distribution

The shaded areas on the map indicates where the genus has been observed in the United States.

- Native, observed in a county 

- Introduced, observed in a county 

- Rarely observed