Page 34 - Forest Trees of Maine
P. 34
J P Pinus banksiana Lamb.
ack or gray pine grows on sandy,
Jrocky, shallow acidic soils. It is known
to occur naturally at Alamoosook Lake
in Orland, Schoodic Point in Winter
Harbor, Great Wass Island in Beals,
Matagamon Lake, Cliff Lake, Lobster
Lake, and in the areas south and west
of Jackman.
The spreading branches are long
and flexible, and form an open head
The cones of the
symmetrical in outline. At maturity the
jack pine usually remain tree is about 50–60 feet tall and 8–10
closed for several years unless inches in diameter. Trees in the coastal
populations tend to be much shorter
exposed to extreme heat, and
and usually have a picturesque, gnarled
often do not fall for 12–15 years. look. Cones are often produced when
the trees are only a few years old.
32 J A CK P INE
