Trees, insects and diseases of Canada's forests
Group 3
Pines
Needles evergreen, in bundles of 2, 3, or 5; seeds in cones
Only 5-needle pine in eastern North America
The most widely distributed pine in Canada; 2 needles less than 7 cm long, slightly twisted
5-needle pine found in the mountains of British Columbia and Alberta; cones cylindrical, 8-20 cm long
Medium-sized 2-needle pine from western Canada; trunk straight
3-needle pine from eastern Canada
Pine of western Canada, usually with 3 needles
2-needle pine from eastern Canada; needles straight, more than 7 cm long
2-needle pine from western Canada; trunk often crooked
Only 5-needle pine species growing at low elevations in the mountains of western Canada
5-needle pine found in the mountains of British Columbia and Alberta; cones ovoid, 5-8 cm long
