The Oriental Arborvitae (Thuja orientalis) is a beautiful evergreen tree that is often used as a shrub or as a screen. It is a popular landscaping plant due to its long, slender leaves and dense foliage. Some synonyms for the Oriental Arborvitae include Chinese Arborvitae, Biota, Platycladus, and Thuja. The Chinese Arborvitae is the most common synonym as it is native to China and was first introduced to Europe during the 16th century. Biota, on the other hand, is a name that is used to refer to several species of thuja, which includes the Oriental Arborvitae. Platycladus is a genus of conifers that contains the Oriental Arborvitae as well as other similar trees. Thuja is a synonym that is often used to refer to all species of the thuja tree family.