Populus tremuloides
(Trembling Aspen)

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Branch and Leaves


Leaves


Early Leaf Top

Early Leaf Bottom


Immature Male Catkins

Mature Male Catkins


Immature Male Catkin

Mature Male Catkin


Immature Male Catkin
Cross Section

Mature Male Catkin
Cross Section


Male Catkin Cut Open



Male Flower Top

Male Flower Bottom


Two Female Catkins

Single Female Catkins


Female Catkins

Female Catkins


Female Catkin

Female Catkin Close-up


Female Flowers

Female Flower


Female Flower, Abaxial View

Female Flower, Abaxial View


Female Flower, Adaxial View

Female Flower, Adaxial View


Female Flower, Side View

Female Flower, Side View


Ovary


Herbarium Specimen

Herbarium Specimen
with Seeds