Port Jackson willow
noun
1- either of two Australian acacias which were introduced into South Africa where they have become naturalized长叶相思树; 蓝叶金合欢。
1.1
- Genus Acacia, family Leguminosae: A. longifolia and A. cyanophylla, which is a useful sand-binding tree.金合欢属, 豆科:长叶相思树及蓝叶金合欢用于固沙的树。
词源
mid 19th cent.: named after the harbour of Sydney, Australia.