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silver wattle

Scientific Name: Acacia dealbata

Family: Fabaceae

Category: Dicot

Growth: Tree, Shrub

Duration: Perennial

Other Names:

       

Silver Wattle (Acacia dealbata)

Acacia dealbata, commonly known as silver wattle, blue wattle, or mimosa, is a fast-growing tree native to southeastern Australia and Tasmania.

Considerations for Pets

  • The text mentions the plant is a member of the Fabaceae family (pea family), so it is important to look up known hazards of this family.

Taxonomy and Nomenclature

  • Scientific Name: Acacia dealbata Link
  • Family: Fabaceae (also known as Leguminosae or Mimosaceae)
  • Synonyms:
    • Acacia decurrens var. dealbata
    • Racosperma dealbatum (Link) Pedley
    • A. decurrens dealbata

Common Names

  • Silver Wattle
  • Blue Wattle
  • Mimosa
  • Mount Morgan Wattle
  • Queensland Silver Wattle
  • Hickory (sometimes, in the southern portion of Western New South Wales)
  • Black Sally (in Western New South Wales)

Distribution and Habitat

  • Native to southeastern Australia, including New South Wales, Victoria, and Tasmania.
  • Also found in the coastal ranges, San Francisco Bay area, and south coast of California.
  • Prefers disturbed areas.
  • Widespread globally, including in Ireland.

Morphological Characteristics

  • Can grow as a large shrub or a tree, ranging from 4-30 meters in height.
  • Bark ranges from grey to brown and can be smooth.
  • Young branchlets are silvery and minutely hairy.
  • Features greyish-green bipinnate foliage.
  • Produces masses of fragrant yellow flowers, typically opening on older plants in early Spring and blooming during winter.
  • Is considered a primary colonizer after fire.

Ecological Role

  • Mentioned as being found in the coastal ranges, San Francisco Bay area, and south coast of California.

Traditional Uses

  • Several Australian acacias, including silver wattle, are valuable sources of tannin.
  • The timber is used for internal applications and is considered a hardwood species.