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Native Plant Database

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Alnus incana ssp. tenuifolia

Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung

Thinleaf alder

Betulaceae (Birch Family)

Synonym(s): Alnus incana var. occidentalis, Alnus incana var. virescens, Alnus tenuifolia, Alnus ×purpusii

USDA Symbol: ALINT

USDA Native Status: L48 (N), AK (N), CAN (N)

Shrub with spreading, slender branches or sometimes a small tree with several trunks and a rounded crown; often forming thickets.

 

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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:
Size Class: 12-36 ft.

Bloom Information

Bloom Color: Purple
Bloom Time: Mar , Apr

Distribution

USA: AK , AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Canada: AB , BC , SK , YT
Native Habitat: Woodland

Growing Conditions

Water Use: High
Light Requirement: Sun
Soil Moisture: Moist
CaCO3 Tolerance: None

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:

Native Seed Network - Corvallis, OR

Additional resources

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

Metadata

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

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