East Asia
A compact shrub that reaches 3.3 feet often with a single stem. Leaves are dark green, thick, glossy, and have tightly waved edges. The flowers are small, white or reddish, fragrant, and form clusters. The fruit is a glossy, bright red drupe. The seeds are able to germinate under a dense canopy and are dispersed by birds and humans (Wikipedia).
Christmas berry is an invasive species in the southeastern United States, escaping captivity in wooded areas of Florida in 1982. The invasive cultivar in this region is originally from Japan. Its cultivation as an ornamental has aided its ability to proliferate throughout the understory of mesic hardwoods (Wikipedia)