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Alnus incana ssp. rugosa (Speckled alder) | NPIN
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Alnus incana ssp. rugosa

Speckled alder

Betulaceae (Birch Family)

USDA Symbol: ALINR

USDA Native Status:

A low and clump-forming shrub; sometimes a small tree. The Latin subspecies name, meaning rugose or wrinkled, refers to the network of sunken veins prominent on the lower leaf surfaces.

 

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Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Venation: Pinnate
Breeding System: Flowers Unisexual , Monoecious
Leaf: Dark Green
Flower:
Fruit: Green
Size Class: 12-36 ft.

Bloom Information

Bloom Color: Yellow , Green , Brown
Bloom Time: Apr , May

Distribution

USA: CT , IA , IL , IN , MA , MD , ME , MI , MN , ND , NH , NJ , NY , OH , PA , RI , VA , VT , WI , WV
Canada: NB , NL , NS , ON , PE , QC
Native Distribution: Widespread across Canada from Yukon and British Columbia to Newfoundland, south to West Virginia, west to NE. Iowa, and north to NE. North Dakota; almost to northern limit of trees; in south to 2600 (792 m).
Native Habitat: Wet soil along streams and lakes, and in swamps.

Growing Conditions

Water Use: Medium
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist
CaCO3 Tolerance: Medium
Conditions Comments: Nitrogen fixing using root nodules

Benefit

Use Ornamental: Planted as an ornamental at water edges.
Use Wildlife: Alder thickets provide cover for wildlife, browse for deer and moose.
Use Medicinal: Bark was boiled to make medicinal teas for treating rheumatism. It was also applied to wounds as a poultice to reducing bleeding and swelling.
Use Other: Inuit people and settlers extracted a dark dye from the bark for tanning and staining hides.
Interesting Foliage: yes
Attracts: Butterflies
Larval Host: Green Comma butterfly

Butterflies and Moths of North America (BAMONA)

Alnus incana ssp. rugosa is a larval host and/or nectar source for:
Green Comma
(Polygonia faunus)

Larval Host
Learn more at BAMONA

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

American Native Nursery - Quakertown, PA

Bibliography

Bibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Bibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.

Search More Titles in Bibliography

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Alnus incana ssp. rugosa in USDA Plants
FNA: Find Alnus incana ssp. rugosa in the Flora of North America (if available)
Google: Search Google for Alnus incana ssp. rugosa

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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