Adesmia muricata is a species of flowering plant in the legume family, Fabaceae. It was originally described in 1794 as Hedysarum muricatum Jacq.. It is native to Brazil, Argentina and Uruguay.

The following varieties are accepted:

• Adesmia muricata var. muricata
• Adesmia muricata var. affinis (Hook.f.) Burkart
• Adesmia muricata var. dentata (Lag.) Benth.
• Adesmia muricata var. gilliesii (Hook. & Arn.) Burkart
• Adesmia muricata var. rionegrensis Burkart