Stats

Lifespan

60-100 yrs

Size

Large

Diet

Photosynthetic

Biome

Temperate rainforest

Range

North America

Movement

Sessile

Breeding

Seeds

Defense

Toxins

Status

Common

About

This deciduous tree grows along the wet coastal forests of western North America. Its roots host bacteria that pull nitrogen from the air to fertilize the surrounding soil.

Life cycle

1. 1.
   seed

   A dormant seed waits for water and warmth before germinating.
2. 2.
   sprout

   A first shoot emerges with cotyledon leaves and a tap root reaching down.
3. 3.
   sapling

   A young plant grows true leaves and a stem or trunk, putting on height each season.
4. 4.
   mature

   Fully grown, flowering or fruiting at adult size.

Learn more

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Taxonomy

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fagales

Family

Betulaceae

Genus

Alnus

Species

Alnus rubra