Michigan Trees: A Handbook of the Native and Most Important Introduced Species

by Charles Herbert Otis

Aspen

1. Winter twig, × 2.

2. Leaf, × 1.

3. Staminate flowering branchlet, × 1/2.

4. Staminate flower, enlarged.

5. Pistillate flowering branchlet, × 1/2.

6. Pistillate flower, enlarged.

7. Fruit, × 1/2.