American holly (Ilex opaca), the state tree of Delaware, is a fantastic tree, with brilliant red berries and dark green leaves that are popular decorations during the Christmas season. The tree has ...

Hollies are a common symbol of the Christmas season and a bright spot in the winter landscape. Many varieties have bright red berries, and the foliage is often used in wreaths and flower arrangements.

A holly tree in north-east Brazil that was last seen almost two centuries ago and was thought to possibly be extinct has been rediscovered by scientists in a city. Following several months of research ...

American holly is an iconic plant associated with winter holiday festivities. Following are questions I have received about its ecology and its connection to Christmas. Q. We experience a backyard ...