Often placed in genus Photinia

• Ornamental evergreen treelike shrub of United States Pacific coast having large white flowers and red berrylike fruits
• Spiny evergreen shrub of southeastern United States having spreading branches usually blue or mauve flowers and red berries

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Christmasberry \Christmasberry\ n. a spiny evergreen shrub of southeastern U. S. ( Lycium carolinianum ) having spreading branches with usually blue or mauve flowers and red berries. Syn: Christmas berry, Lycium carolinianum . an ornamental evergreen treelike ...

Wikipedia Word definitions in Wikipedia
Christmasberry (Christmas berry, Christmas-berry) can refer to any one of several shrubs or small trees, as well as their colorful fruit: Ardisia crenata , native to Asia and Australia Crossopetalum ilicifolium Lycium carolinianum ( Carolina Desert-thorn ...