Ilex , or holly, is a genus of about 480 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. The species are evergreen or deciduous trees, shrubs, and climbers from tropics to temperate zones worldwide. The type species is Ilex aquifolium, the common European holly used in Christmas decorations and cards.
The genus Ilex includes about 480 species, divided into three subgenera:
Ilex subg. Byronia, with the type species Ilex polypyrena
Ilex subg. Prinos, ...