Ardisia crenata is a plant in the Primulaceae family, also known by its common names Marlberry, Coralberry, and Christmas berry. This evergreen shrub is native to Asia, but is now widely cultivated in North America as an ornamental plant. Its dark green, glossy leaves and bright red berries make it a popular choice for holiday decorations. Other synonyms for the Ardisia crenata include Ardisia japonica, Ardisia ciliata, Ardisia humilis and Ardisia sieboldii. These different names refer to plants with similar characteristics, but they may have different growing patterns, leaf shapes, or flower colors. Regardless of the name used, Ardisia crenata is a beautiful and unique addition to any garden or home decor.