vē^prēcŭla — Lewis & Short
vē^prēcŭla, ae, f.dim.id.,
I a little thorn- or brier - bush:
illa ex vepreculis extracta nitedula,Cic. Sest. 33, 72.—Prov.: vipera est in vepreculā, there's a viper in the bush, of a hidden danger, Pompon. ap. Non. 231, 13 (Com. Rel. v. 130 Rib.; cf.: latet anguis in herba).