mutic
/ˈmjuːtɪk/adjective
1 Botany = muticous.
2 Zoology (chiefly Entomology ). Lacking spines.
Origin
Late 18th century; earliest use found in Stephen Robson (1741–1779), botanist. From classical Latin muticus awnless (Varro Res Rusticae 1. 48. 3).