''Acaena inermis'', the spineless acaena, is a species of flowering plant in the family

Rosaceae Rosaceae (), the rose family, is a medium-sized family of flowering plants that includes 4,828 known species in 91 genera. The name is derived from the type genus ''Rosa''. Among the most species-rich genera are ''Alchemilla'' (270), ''Sorbus ...

, native to New Zealand and introduced to Great Britain. A mat-forming perennial useful as a ground cover, its cultivar 'Purpurea' is widely available from commercial suppliers.

References

inermis Endemic flora of New Zealand Garden plants of New Zealand Flora of the North Island Flora of the South Island Plants described in 1852 {{Rosaceae-stub