Alnus serrulata

hazel alder, brookside alder, tag alder, common alder, brook-side alder, brook side alder, smooth alder
Family

Betulaceae

Leaf Arrangement

alternate

Leaf Attachment

petiolate

Leaf Margin

serrate

Leaf Type

simple

Leaf Shape

obovate, ovate

Growth Form

shrub, tree

Flower Month

February - April

Height (meters)

2.0 - 5.0

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

native

Lifespan

perennial

Leaf Retention

Deciduous


Wetland Class

FACW

Field Characters

A shrub with doubly serrate leaf margins and persistent stipules, persistent woody cones and twigs with triangular pith in cross section. Often confused with Alnus rugosa whose bark has linear, whitish lenticels. (A. serrulata has dark lenticels)

Habitat

Along streams, in swamps and boggy situations.