Acaena inermis

{{Short description|Species of plant}}

{{Use New Zealand English|date=July 2024}}

{{Speciesbox

|image=Acaena inermis - Savill Garden - Windsor Great Park, England - DSC06008.jpg

|image_caption=At Savill Garden

|image2=Acaena inermis kz02.jpg

|image2_caption=Flowers

|genus=Acaena

|species=inermis

|authority=Hook.f.

|synonyms_ref=

|synonyms=Acaena microphylla var. inermis {{small|(Hook.f.) Kirk}}

}}

Acaena inermis, the spineless acaena, is a species of flowering plant in the family Rosaceae, endemic to New Zealand and introduced to Great Britain.{{cite POWO |id=720015-1 |title=Acaena inermis Hook.f. |access-date=27 February 2023 }}{{cite web |title=Acaena inermis spineless acaena |url=https://www.rhs.org.uk/plants/114/acaena-inermis/details |date=2023 |publisher=The Royal Horticultural Society |access-date=27 February 2023 |quote=1 suppliers |archive-date=27 February 2023 |archive-url=https://web.archive.org/web/20230227195318/https://www.rhs.org.uk/plants/114/acaena-inermis/details |url-status=live }} A mat-forming perennial useful as a ground cover, its cultivar 'Purpurea' is widely available from commercial suppliers.{{cite web |title=Acaena inermis 'Purpurea' purple spineless acaena |url=https://www.rhs.org.uk/plants/124280/acaena-inermis-purpurea/details |date=2023 |publisher=The Royal Horticultural Society |access-date=27 February 2023 |quote=19 suppliers |archive-date=27 February 2023 |archive-url=https://web.archive.org/web/20230227195316/https://www.rhs.org.uk/plants/124280/acaena-inermis-purpurea/details |url-status=live }}{{Cite web |title=Acaena inermis |url=https://www.nzpcn.org.nz/flora/species/acaena-inermis/ |access-date=2023-08-02 |website=New Zealand Plant Conservation Network |language=en |archive-date=2023-08-02 |archive-url=https://web.archive.org/web/20230802090554/https://www.nzpcn.org.nz/flora/species/acaena-inermis/ |url-status=live }}