Platycladus orientalis: the skin is grayish brown, and the cords are longitudinally split. The crown is broadly ovoid, and the branchlets are flat and divided into a plane. Leaves are small, scaly, close to branchlets, cross-opposite, green on both sides, oval in central leaf, boat-shaped on both sides. The cone is broadly ovoid, blue-green with white powder when it is near maturity, woody when it is mature, cracked and reddish brown.

Cedar: The crushed leaves have a strong aroma of apples. The leaves are scaly, the apex is pointed, the central leaves are rhombic or rhombic, and there are transparent convex circular glandular points below the top.

Second, the ornamental value is different from the garden use.

Platycladus orientalis: One of the most widely used landscaping trees in China, it has been planted in temples, tombs and courtyards since ancient times. Platycladus orientalis can also be used to make bonsai.

Cedar in North America: It is mainly used for shaping or hedgerow planting in European and American gardens, and can also be used as a landscape tree to decorate courtyards and lawns.

Main morphological characteristics of Platycladus orientalis

Evergreen trees, the height of which can generally reach 20 meters, the young trees are spire-shaped, and they are wide and round when they are old.

Dry skin is grayish brown, strip-shaped and longitudinally cracked. Branchlets are arranged in a plane with the same type on both sides. Leaf-shaped, slightly topped, opposite, green on both sides, leaf type 2, central leaf inverted rhombus, glandular groove on the back, boat-shaped on both sides, central leaf opposite to both sides alternately. Monoecious flowers, male flowers and female flowers are all solitary on the branches.

The cone is broadly ovoid, blue-green with white powder when it is nearly ripe, the fruit scales are thick and woody, and the top is curved: the seeds are gray-brown and wingless. The flowering period is March-April, and the seed maturity is 9-65438+1October.