golden wattle

American  

noun

1. a broad-leaved, Australian acacia, Acacia pycnantha, of the legume family, having short clusters of yellow flowers and yielding tanbark and a useful gum.

2. any similar acacia, especially A. longifolia, of Australia and Tasmania.

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golden wattle British  

noun

1. an Australian yellow-flowered leguminous plant, Acacia pycnantha, that yields a useful gum and bark

2. any of several similar and related plants, esp Acacia longifolia of Australia

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