Coursetia glandulosa, the rosary babybonnets, is a species of flowering plant in the family Fabaceae. It is native to desert and dry scrubland areas of the US state of Arizona, Mexico, and Honduras. A deciduous shrub reaching , it is typically found in rocky habitats such as canyons, at elevations below . Heavy orange encrustations on its branches are a common occurrence, and are the result of a lac insect infestation.