American Mountain Ash
* Large shrub or small tree.
* Leaves compound, narrow
and toothed, with 11-17 leaflets.
* Leaf size: Size: 6-9".
* Leaves, twigs, and bud hairless.
* Flower small and white, in large clusters.
* Fruit a small, bright red berry, 1/4" in diameter.
* Buds red and gummy.
* Height: 20-40'.
* Flowers May - June.
* Fruits in August.
* Habitat: Open and rocky areas, all elevations.
* Range: Northeastern United States and Canada.
* Although ash berries are inedible to humans, they are a favorite of
birds such as ruffed and sharptail grouse, and ptarmigan, and mammals
such fisher and marten. Deer and moose eat the twigs.
* The bottom photo shows a mountain ash cultivar, Green Mountain
Ash, with its brightly colored fruit. Look for a specimen of
this tree in front of Wellesley College's Science Center.