| Newcastelia | |
|---|---|
 | |
| Newcastelia spodiotricha | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Subfamily: | Prostantheroideae |
| Genus: | Newcastelia F.Muell. |
Newcastelia is a genus of flowering plants in the mint family, Lamiaceae, first described in 1857 by Ferdinand von Mueller, who placed it in the family, Verbenaceae. The entire genus is endemic to Australia.
- Species
- Newcastelia bracteosa F.Muell. - Western Australia, South Australia, Northern Territory
- Newcastelia cephalantha F.Muell. - Western Australia, South Australia, Northern Territory, Queensland
- Newcastelia cladotricha F.Muell. - Western Australia, Northern Territory
- Newcastelia elliptica Munir - Western Australia, Northern Territory
- Newcastelia hexarrhena F.Muell. - Western Australia
- Newcastelia insignis E.Pritz. - Western Australia
- Newcastelia interrupta Munir - Queensland
- Newcastelia roseoazurea Rye - Western Australia
- Newcastelia spodiotricha F.Muell. - Western Australia, South Australia, Northern Territory
- Newcastelia velutina Munir - Queensland
