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=<ref name="POWO_720015-1" /> |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.<ref name="POWO_720015-1" >{{cite POWO |id=720015-1 |title=''Acaena inermis'' Hook.f. |access-date=27 February 2023 }}</ref><ref name="RHS_114">{{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 }}</ref> Its common names include '''spineless bidibid''' and '''blue mountain bidibid'''.<ref name=":0">{{Cite web |title=Acaena inermis |url=https://www.nzpcn.org.nz/flora/species/acaena-inermis/ |url-status=live |archive-url=https://web.archive.org/web/20250430194402/https://www.nzpcn.org.nz/flora/species/acaena-inermis/ |archive-date=30 Apr 2025 |access-date=8 Aug 2025 |website=New Zealand Plant Conservation Network}}</ref><ref>{{Cite web |title=Acaena inermis Hook.f. |url=https://biotanz.landcareresearch.co.nz/scientific-names/c13213ab-2dc5-4de3-bf1a-e9c0890c7f84 |url-status=live |archive-url=https://web.archive.org/web/20240511150340/https://biotanz.landcareresearch.co.nz/scientific-names/c13213ab-2dc5-4de3-bf1a-e9c0890c7f84 |archive-date=11 May 2024 |access-date=8 Aug 2025 |website=Biota of New Zealand}}</ref> A mat-forming perennial useful as a ground cover, its cultivar 'Purpurea' is widely available from commercial suppliers.<ref name="RHS_124280">{{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 }}</ref><ref name=":0" />

== Taxonomy and etymology == The species was described in 1988 by C.J. Webb, W.R. Sykes, and P.J. Garnock-Jones.<ref>{{Cite Q|Q134194200}}</ref> Inermis refers to the seedhead not having spines, it being 'unarmed'.<ref name=":0" />

==References== {{Reflist}}

inermis Category:Endemic flora of New Zealand Category:Garden plants of New Zealand Category:Flora of the North Island Category:Flora of the South Island Category:Plants described in 1852