Definition of Port Jackson willow in English:

Port Jackson willow

Line breaks: Port Jack|son wil¦low

noun

Either of two Australian acacias which were introduced into South Africa where they have become naturalized.
  • Genus Acacia, family Leguminosae: A. longifolia and A. cyanophylla, which is a useful sand-binding tree

Origin

mid 19th century: named after the harbour of Sydney, Australia.

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