Page 152 - Forest Trees of Maine
P. 152
M A Sorbus spp.
here are two native species of
Tmountain ash found in Maine:
the American mountain ash Sorbus
Americana Marsh, also called round-
wood, and the showy or Northern
mountain ash Sorbus decora (Sarg.)
Schneid.
American mountain ash occurs
statewide; it is not a true ash, but is
closely related to the apple. It rarely
reaches over 20 feet in height. It is par-
ticularly common in mountainous
regions and along the coast.The leaves
are alternate, compound 13–17 inches
long, tapered, and have 11–17 finely
toothed leaflets. The leaflets are 2–4
inches long, ⅝–1 inch wide, and with-
out hairs.
Showy mountain ash is usually The small creamy-white flowers
are borne in cymes. The berry-like
better balanced in outline than
fruit is bright red, and about ¼ inch in
the American mountain ash and diameter.These remain on the tree late
into the winter; they make good bird
has a well-rounded crown.
150 MOUNTAIN ASH
