Populus tremuloides Lecture Notes

What family does Populus tremuloides belong to?

Salicaceae

What does the Latin name refer to in Populus tremuloides?

Refers to trembling, similar to P. tremula

What is the geographic distribution of Populus tremuloides?

Most widely distributed tree in North America, occurring from sea level to 11,500 ft, and is important in Northeast and Great Lakes forests

How long do Populus tremuloides individuals live, and how does this compare to their root systems?

Aboveground stems live 60-150 years, but root systems live much longer

What are the growth and successional characteristics of Populus tremuloides?

Fast growing, shade-intolerant pioneer species on well-drained mineral soils after logging, fire, or farming. It is later replaced by white spruce, balsam fir, or climax species like sugar maple, American beech, and red spruce

When do Populus tremuloides seeds mature, and what condtions do they require to germinate?

Seeds mature in late spring, are short lived (2-4 weeks), extremely light, and require moist, bare mineral soil to germinate

How does Populus tremuloides regenerate vegetatively?

It sprouts extensively from its root system after cutting or disturbance, forming dense thickets that can cover large areas

What are major uses of Populus tremuloides wood?

Used for paneling, plywood, and is a major pulpwood species for paper; formerly considered a weed tree

Why is Populus tremuloides important for wildlife?

Provides key habitat and food for beaver, moose, deer, elk, grouse, and rabbits

What types of biological threats commonly affect Populus tremuloides?

Numerous insect and disease problems