Acacia mearnsii
| Black wattle | |
|---|---|
| On Maui | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Rosids | 
| Order: | Fabales | 
| Family: | Fabaceae | 
| Subfamily: | Caesalpinioideae | 
| Clade: | Mimosoid clade | 
| Genus: | Acacia | 
| Species: | A. mearnsii  | 
| Binomial name | |
| Acacia mearnsii | |
| Occurrence data from AVH | |
| Synonyms | |
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Acacia mearnsii, commonly known as black wattle, late black wattle or green wattle, is a species of flowering plant in the family Fabaceae and is endemic to south-eastern Australia. It is usually an erect tree with smooth bark, bipinnate leaves and spherical heads of fragrant pale yellow or cream-coloured flowers followed by black to reddish brown pods. In some other parts of the world, it is regarded as an invasive species.