White Ash (American Ash)
Fraxinus americana · Oleaceae (Olive and Ash family)
AI-generated identification · may be incorrect
Leaf Morphology
Leaf Type
Pinnately compound, deciduous
Shape
Lanceolate to ovate leaflets, typically 5 to 9 per leaf, with an acuminate tip
Margin
Finely serrate to entire margins
Arrangement
Opposite arrangement on the twig, which is a key identifying feature for ashes
Venation
Pinnate venation with prominent raised midribs and lateral veins on each leaflet
Key Features
Opposite branching, pinnately compound leaves usually with 7 stalked leaflets, whitish undersides of leaflets, and diamond-patterned mature bark
Description
White Ash is a large, graceful deciduous tree known for its strong wood and attractive compound foliage. It features ridged, diamond-patterned bark in mature specimens, inconspicuous spring flowers, and winged single-seeded samaras that provide food for wildlife. As autumn arrives, its leaves transform into brilliant shades of yellow, purple, and red.
Habitat
Found primarily in rich, moist, well-drained soils of deciduous forests, along streams, and on lower slopes under moderate to full sun exposure
Native Range
Native to eastern and central North America, stretching from Nova Scotia west to Minnesota, and south to Florida and Texas