''Acanthothamnus'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

genus in the family ''

Celastraceae The Celastraceae (staff-vine or bittersweet) are a family of 97 genera and 1,350 species of herbs, vines, shrubs and small trees, belonging to the order Celastrales. The great majority of the genera are tropical, with only ''Celastrus'' (the staf ...

'' which contains only the species ''Acanthothamnus aphyllus''. The genus is sometimes known by the unaccepted synonym ''Scandivepres'' and its natural range spans central Mexico.

Taxonomy

''Acanthothamnus'' is most closely related to the genera ''

Brexia ''Brexia'' is a plant genus assigned to the Celastraceae. It is a dense evergreen shrub or small tree of usually around 5 m high, with alternately set, simple, leathery leaves with a short leaf stem and lanceolate to inverted egg-shaped l ...

'' and '' Canotia''.

References

Celastraceae Celastrales genera Monotypic rosid genera {{Celastraceae-stub