Cardwellia

Northern silky oak
In flower
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Subfamily: Grevilleoideae
Tribe: Macadamieae
Subtribe: Gevuininae
Genus: Cardwellia
F.Muell.
Species:
C. sublimis
Binomial name
Cardwellia sublimis
F.Muell.

Cardwellia is a monotypic genus (i.e. a genus that contains only one species) in the protea and macadamia family Proteaceae. The sole described species is Cardwellia sublimis − commonly known as northern silky oak or bull oak − which is endemic to the rainforests of northeastern Queensland, Australia. It was first described in 1865 and has been classified as a least concern species. Its timber has been used for house construction and furniture.