The Collaborative International Dictionary
Rhamnus alaternus
Alatern \Al"a*tern\, ||Alaternus \Al`a*ter"nus\, n. [L. ala wing + terni three each.] (Bot.) An ornamental evergreen shrub ( Rhamnus alaternus) belonging to the buckthorns.
Wikipedia
Rhamnus alaternus
Rhamnus alaternus is a species of flowering plant in the buckthorn family known by the common name of Italian buckthorn or Mediterranean buckthorn.