Plant Allergy Overview
Severe allergic reactions from the pollen of this tree have been reported.
Paper Mulberry is an introduced tree species from East Asia. Generally they can grow to 50 feet tall. The leaves are alternate, 3-8 inches long, and nearly as wide. The leaves are grayish-green with rough hairs above and pale green underneath. The bark is light gray and smooth. Flowers are tiny and green. The fruit is 3/4 inch in diameter, round, orange and showy. Paper Mulberry grows from S. New England to Florida and west to Texas in the U.S. Female trees (with berries) have no pollen. This tree's fibrous bark was originally used to make paper in the Orient.
Grains are spheroidal and 2-4 porate; the pores usually circular and sometimes aspidate. The margin is slightly thickened and the sexine is tectate and usually scabrate.
The shaded areas on the map indicates where the genus has been observed in the United States.
Species in Paper-Mulberry Genus
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