Maine State Tree

Pinaceae Pinus strobus

Leaf

Evergreen, 3 to 5 inches long, with five blue-green, slender needles per
fascicle. A fascicle sheath is not present. Needles appear blue because of 3 or more lines of stomata.

Flower

Monoecious; males cylindrical, yellow, in clusters near branch tips;
females light green, tinged in red, at ends of branches.

Fruit

Cones are 4 to 7 inches long, cylindrical, with thin, rounded cone scales,
very resinous. Cones are borne on a long stalk. Maturing August to September.

Twig

Slender, gray-green to orange-brown in color.

Bark

On young trees; thin, smooth and gray-green in color. Later becoming
thick, reddish-brown to gray-brown with prominent ridges and furrows.

Form

A large tree with a very straight stem. The crown is conical when young, later developing wispy, horizontal branches.