Xiphodesma
Xiphodesma is a genus of flowering plants in the family Calyceraceae. It includes a single species, Xiphodesma anthemoides, a perennial native to Argentina and Uruguay.
The species was first described as Boopis anthemoides by Antoine [Laurent de Jussieu] in 1803. In 2024 Pozner and Zijlstra placed it in the new monotypic genus Xiphodesma as Xiphodesma anthemoides.