Platycladus orientalis / Chinese arborvitae
Platycladus orientalis, as described by (Linnaeus) Franco in 1949, is commonly known as Chinese or Oriental arborvitae, or (ce bai) in the Chinese language.
Description. Chinese arborvitae is a small, slow-growing, evergreen coniferous tree, which will grow to mature heights of 45 to 60 feet (15 - 20 meters) tall with a trunk up to 1.5 feet (0.5 meter) in diameter, measured at breast height. Exception specimens are know to grow to 150 feet (30 m) tall and 6 feet (2 m) in diameter as very old trees.
- The foliage forms in flat sprays with scale-like leaves 0.08 to 0.16 inch (2 - 4 mm) long.
- The seed cones measure 0.6 to 1 inch (15 - 25 mm) long, green ripening to brown roughly eight months after pollination. They have 6 to 12 thick scales arranged in opposing pairs.
- The seeds are 0.16 to 0.24 inch (4 - 6 mm) long, with no wing.
Ethnobotany. It is used as an ornamental tree, both in its homeland, where it is associated with long life and vitality, and very widely elsewhere in temperate climates. The wood is used in Buddhist temples, both for construction work, and chipped, for incense burning.
Distribution. This species is native to Korea, Eastern Russia, and China. Natural occurrences in China are difficult to distinguish from local introductions, owing to extensive cultivation and planting in the past. It is native in southern Gansu, Hebei, Henan, Shaanxi, Shanxi provinces; introduced or status uncertain in Anhui, Fujian, N Guangdong, N Guangxi, Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, S Nei Mongol, Shandong, Sichuan, Xizang, Yunnan, and Zhejiang provinces. It naturally occurs at elevations of 1,000 to 10,000 feet (300 - 3,300 m) above sea level. It has naturalized in Florida.