OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Fabids: Fagales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
 Alnus rugosa   FAMILY Betulaceae   Go to FSUS key

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Alnus incana ssp. rugosa   FAMILY Betulaceae

SYNONYMOUS WITH Flora of North America

Alnus incana ssp. rugosa

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Alnus rugosa

 

COMMON NAME:
 Speckled Alder

         To see larger pictures, click or hover over the thumbnails.

image of Alnus rugosa, Speckled Alder

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_alru3_001_lvd

        

image of Alnus rugosa, Speckled Alder

JK Marlow    jkm0507g_22

July    Pocahontas County    WV

Cranberry Glades Botanical Area

Leaves broadest at or below middle, doubly-serrate with teeth of various sizes, per Weakley's Flora.

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
 Alnus rugosa   FAMILY Betulaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Alnus incana ssp. rugosa   FAMILY Betulaceae

SYNONYMOUS WITH Flora of North America
 Alnus incana ssp. rugosa

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
 Alnus rugosa

 

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2011

Tree
Perennial
Monoecious

Habitat: Braided streamhead seepage swamps (in VA), other seepy or saturated wetlands, per Weakley's Flora

Native: north of the Carolinas

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Deciduous
Simple
Alternate

FLOWER:
Spring/Summer
Staminate calyx 4-parted, pistillate calyx absent
Petals absent in pistillate flowers
4 stamens in staminate flowers
Inferior ovary
Unisexual

Flowers in catkins (staminate catkins elongate)

FRUIT:
Summer

 

TO LEARN MORE about this plant, look it up in a good book!



 

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