Birch / Betula

Single-Leaf Ash (Fraxinus anomala)

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Family: OLEACEAE
Genus: Fraxinus
Species: Single-Leaf Ash (Fraxinus anomala)

Single-Leaf Ash Species Description

This species is native to North America north of Mexico.

Allergenicity: Single-Leaf Ash (Fraxinus anomala) is a severe allergen.

Pollination: Occurs in following seasons depending on latitude and elevation: Winter to 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).

Shrub: A woody plant smaller than a tree, and usually with several stems from the same root.

Perennial: Living for many years.

Woody Stem: Non-herbaceous. Lignified.

Single-Leaf Ash Species Usage

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Single-Leaf Ash Species Location

Allergies By County Map For Single-Leaf Ash

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

Single-Leaf Ash (Fraxinus anomala)

Single-Leaf Ash Species Description

Single-Leaf Ash Species Usage

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Allergens and Plants Search

Single-Leaf Ash Species Location