Native Plants
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Alnus maritima
Alnus maritima (Marshall) Muhl. ex Nutt.
Seaside Alder
Betulaceae (Birch Family)
Synonym(s): Alnus maritima ssp. metoporina, Alnus maritima var. metoporina, Alnus metoporina, Betula-Alnus maritima
USDA Symbol: ALMA7
USDA Native Status: L48 (N)
Small, autumn flowering tree with straight trunk and narrow, rounded crown, or a much-branched shrub. Both common and Latin species names refer to the local but not rare distribution near (but not on) the coast. The isolated occurrence in southern Oklahoma is unexplained.
Plant Characteristics
Duration: PerennialHabit: Shrub , Tree
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Elliptic , Obovate
Leaf Venation: Pinnate
Leaf Pubescence: Glabrous
Leaf Margin: Serrate
Leaf Apex: Acute , Obtuse
Leaf Base: Cuneate
Leaf Texture: Leathery
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Samara
Size Notes: Height to 10 M.
Leaf: Green.
Bloom Information
Bloom Color: Red , GreenBloom Time: Jul , Aug
Distribution
USA: DE , GA , MD , OKNative Distribution: S. Delaware, E. shore of Maryland, and S. Delaware near sea level; S. Oklahoma at 700' (213 m).
Native Habitat: Wet soil bordering streams and ponds.
Growing Conditions
Water Use: HighLight Requirement: Part Shade
CaCO3 Tolerance: Low
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | OBL | OBL | OBL |
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:Mt. Cuba Center - Hockessin, DE
Additional resources
USDA: Find Alnus maritima in USDA PlantsFNA: Find Alnus maritima in the Flora of North America (if available)
Google: Search Google for Alnus maritima
Metadata
Record Modified: 2014-10-07Research By: TWC Staff