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Siberian alder

Scientific Name: Alnus viridis ssp. fruticosa

Family: Betulaceae

Category: Dicot

Growth: Shrub, Tree

Duration: Perennial

Other Names:

       

Alnus viridis: The Green Alder and its Siberian Kin

Alnus viridis, commonly known as green alder, is a widespread alder species found in cooler regions. Several subspecies and related species are also discussed, including the Siberian alder.

Common Names

  • Green Alder
  • Siberian Alder
  • Sitka Alder
  • Slide Alder
  • Wavy-leaf Alder
  • Wavy-leaved Alder

Taxonomy and Nomenclature

  • Scientific Name: Alnus viridis (Chaix) DC.
  • Family: Betulaceae (Birch Family)
  • Genus: Alnus
  • Subspecies:
    • Alnus viridis subsp. fruticosa (Rupr.) Nyman
    • Alnus viridis ssp. sinuata
  • Synonyms:
    • Alnus alnobetula
    • Alnus crispa
    • Alnus fruticosa Ruprecht
  • Alternative Scientific Names: Alnus viridis spp. fruticosa, Alnus sibirica, Alnus hirsuta var. sibirica, Alnus hirsuta

Distribution and Habitat

Alnus viridis is widely distributed across cooler regions, particularly on subarctic river gravels. Specific locations mentioned include:

  • Northern Siberia
  • Alaska
  • Canada
  • Lower and middle mountain regions

Ecological Role

  • Some reports indicate alder expansion, especially in northwest Siberia linked to cryogenic processes.
  • It is a fast-growing species that pioneers wetlands.
  • May be affected by green alder sawfly and alder canker.

Morphological Characteristics and Growth Habits

  • Can grow into a large tree, reaching 30 meters or more.
  • Described as a "tough, hardy specimen tree."
  • Habit: tree,shrub.
  • Duration: perennial
  • Coarsely toothed leaves

Genetic and Cytological Information

  • Carbon autonomy of reproductive shoots has been studied using a stable isotope of carbon, 13C, in Alnus hirsuta var. sibirica.

Interactions with Other Organisms

  • Studies have been conducted on terrestrial snail communities in Euro-Siberian alder swamps.
  • Mention of Siberian flying squirrel (Pteromys volans) feeding in Alder tree.
  • The Alder Flycatcher is also mentioned.

Quirky Facts

  • There is mention of finding a 90 ft. alder-tree (Alnus fructicosa) alongside remains of Mammoth and Rhinoceros in the Frozen Ground of Siberia.