Thuja orientalis is a plant of Cupressus in Cupressaceae. It grows at an altitude of 1, 500 meters above sea level, and has not been artificially introduced and cultivated at present. In the 1990s, it was not declared as an extinct species because of its rarity. In the early 20th century, it was found in Daba Mountain, Chongqing [1]? There are a few plants in this area, which belong to endangered species, and logging is prohibited.

Morphological characteristics: The cypress tree in Admiralty is 5-6( 10) meters high, and its bark is grayish brown or brown with slender cracks. The branches are dense, spreading, and the branchlets are flat and arranged in a plane. Except for the needles and prickly leaves at seedling stage, all the other leaves are scaly, with a length of 1.5-3.0 mm, which are opposite to each other.

Growing environment: cypress stands as a positive tree, slightly resistant to shade, barren, dry soil, avoiding stagnant water, preferring humid air and calcareous soil, and not resistant to acid soil and saline soil; If the temperature is moderate, it will stop growing when it exceeds 32 degrees, and it will be frozen if it continues for 10 days at a low temperature of-10 degrees.

Distribution: It is found at the mouth of Chongqing River in China and grows in shallow soil and rocks at an altitude of about 1400 meters. Other Asian species of golden cypress include Japanese fresh golden cypress (T. standishii, Japanese cedar; Pyramid-shaped tree with reddish-brown bark and bright green leaves, with a height of15m, Korean golden cypress (Korean Korean pine, shrub or small tree, nearly10m high, with spreading branches, dark green upper surface and silver lower surface). Golden cypress wood is light yellow or reddish brown, soft and durable, fragrant and easy to process. The wrinkled bark tree is the most important timber tree species.