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Alnus oblongifolia

Alnus oblongifolia Torr.

Arizona Alder

Betulaceae (Birch Family)

Synonym(s):

USDA Symbol: ALOB2

USDA Native Status: L48 (N)

Tall, straight-trunked tree with open, rounded crown.

This is one of the largest native alders and a handsome tree of rocky canyon bottoms. It is recognized by its smooth, dark gray bark. The soft wood is used as fuel.

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Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Elliptic , Lanceolate , Ovate
Leaf Venation: Pinnate
Leaf Margin: Double-serrate
Leaf Base: Cuneate
Leaf Texture: Leathery
Breeding System: Flowers Unisexual , Monoecious
Inflorescence: Catkin
Size Notes: Height to 30 M.
Flower:
Size Class: 36-72 ft.

Bloom Information

Bloom Time: Mar , Apr

Distribution

USA: AZ , NM
Native Distribution: SW. New Mexico and Arizona; local in N. New Mexico; also in N. Mexico; at 4500-7500' (1372-2286 m).
Native Habitat: Wet canyon soils in mountains and along streams.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:			FACW			FACW				FACW

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Alnus oblongifolia in USDA Plants
FNA: Find Alnus oblongifolia in the Flora of North America (if available)
Google: Search Google for Alnus oblongifolia

Metadata

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

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