Taxon

Alnus firma

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Common name: Japanese green alder
Family: Betulaceae (birch family)
Synonym: Alnus firma var. hirtella
Distribution: Japan
IUCN Red list: Data deficient
Hardiness: USDA Zone 6
Life form: Deciduous tree
IUCN Red List code: DD
Comments: A shrubby tree to 10' tall distinguished by its viscous young twigs. Leaves glossy green, oval-shaped, 2-6" long, with sharp teeth along the margins. Catkins flower in March and April. Dark brown fruits are stalked, cone-like and solitary. A handsome plant noted for its beautiful leaves.
Links: Germplasm Resources Information Network (GRIN Taxonomy) • Plants of the World Online- KewScience • The Plant List

Locations

  • 1: CCA: AW29 (AW29) • Accession: D1998-0586.001 • Origin: Japan • Provenance: Wild of Known Origin
  • 2: STC: AB09 (AB09) • Accession: D1998-0586.002 • Origin: Japan • Provenance: Wild of Known Origin
Cluster Area Area
Individual Individual