What is "newcastelia"

Newcastelia is a genus of flowering plants in the mint family, Lamiaceae, first described in 1857. The entire genus is endemic to Australia.

1. Newcastelia bracteosa F.Muell. - Western Australia, South Australia, Northern Territory
2. Newcastelia cephalantha F.Muell. - Western Australia, South Australia, Northern Territory, Queensland
3. Newcastelia cladotricha F.Muell. - Western Australia, Northern Territory
4. Newcastelia elliptica Munir - Western Australia, Northern Territory
5. Newcastelia hexarrhena F.Muell. - Western Australia
6. Newcastelia insignis E.Pritz. - Western Australia
7. Newcastelia interrupta Munir - Queensland
8. Newcastelia roseoazurea Rye - Western Australia
9. Newcastelia spodiotricha F.Muell. - Western Australia, South Australia, Northern Territory
10. Newcastelia velutina Munir - Queensland