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Downy Birch (Betula pubescens)

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Home « Virginia « Williamsburg « Betula « Betula pubescens
Family: BETULACEAE
Genus: Betula
Species: Downy Birch (Betula pubescens)

Downy Birch Species Description

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This species includes one or more native variety (or subspecies) to North America AND one or more introduced variety (or subspecies).

Allergenicity: Downy Birch (Betula pubescens) is a moderate allergen.

Pollination: Occurs in following seasons depending on latitude and elevation: Spring.

Angiosperm - Flowering Dicot: Plants in this group have two embryonic leaves (dicotyledons). Examples of dicotyledons are beans, buttercups, oaks, sunflowers, etc.

Tree: A large plant, not exactly defined, but typically over four meters in height, a single trunk which grows in girth with age and branches (which also grow in circumference with age).

Perennial: Living for many years.

Wetland Plant: Plants growing in aquatic or wetland habitats. These include all known floating, submerged, and emergent taxa, plus those that are found in permanently or seasonally wet habitats.

Woody Stem: Non-herbaceous. Lignified.

Downy Birch Species Usage

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Pharmacological: Used in medicine or pharmacological research.

Dye: Used as a colored dye.

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Downy Birch Species Location

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The shaded areas on the map indicates where the species 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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