Beech is a member of the dry shelled family, genus Beech, and its English name is BEECH. Beech is widely distributed in the northern hemisphere and is produced in both Europe and the United States. In southern China, especially in western Hubei and eastern Sichuan, there is a pure forest belt, and domestically produced Chinese beech trees are also known as water green hills.

Banana (Musa nana Lour.), a perennial herbaceous plant in the genus Musa of the family Musa, grows in clusters and has creeping stems; False stems are thick green with black spots; The leaves are oblong in shape, with a dark green color on top and no white powder, and a light green color on the bottom; The flowers are milky white or light purple in color; The fruit is curved and arched, with edges. The skin is greenish green and turns yellow when ripe; The flesh is soft, yellow white, sweet and fragrant, and seedless.

Acacia farnesiana (L.) Wight&Arn Fabaceae is a shrub of the genus Acacia, whose stem surface is rough and appears black brown; The supporting leaves are thorny and sharp, the compound leaves are feather shaped, and the small leaves are linear and rectangular in shape; Its flowers are numerous and dense, mostly spherical in shape, with a yellow color and fragrant taste; The fruit is cylindrical in shape, while the seeds are oval in shape, mostly brown. Its flowering period is in spring, and its fruiting period is in summer and autumn. Due to its golden appearance when in full bloom, it is named Acacia.

Willow trees are trees of the willow genus in the willow family. Branches are cylindrical in shape, with a nearly circular pith; No apical buds, lateral buds usually adhere closely to the branch, and bud scales are single; Leaves alternate, sparsely opposite, usually narrow and long, often lanceolate, feather veins, serrated or entire, petiole short, with supporting leaves, often serrated; The inflorescence of the hibiscus is upright or obliquely spread, with the bracts covering the entire edge, and the pistil composed of two carpels; The capsule is split into two petals; The seeds are small and often dark brown in color. The flowering period is from February to March, and the fruiting period is from March to April. The name of willow tree comes from its head wood working method. The result of the head tree homework is to preserve the trunk for continuous use of the branches, and the pronunciation of the word "willow" is the same as that of "liu", hence the name "willow tree".

Spruce is a perennial green tree that inhabits mountainous areas and river valleys at elevations of 2000 meters (6600 feet) to 3800 meters (12500 feet). The Hardiness Zones are classified as level 6 to 7, requiring sufficient sunlight, a moist environment, good drainage, and neutral to acidic soil. It can grow in poor or strong acidic soil, but cannot adapt to air pollution environments and grows slowly. In natural environments, it often accumulates into vast pure forests, resembling white clouds from afar, hence the name Spruce.

Pinaceae (scientific name: Pinaceae) is a family of pine trees in the order Pinaceae, commonly known as pine or pine trees. Although many species are called "fir" in Chinese, their general characteristic is that their leaves are shaped like needles to prevent large amounts of water from evaporating. And in some places with less hot climates, around 40 to 60 degrees north latitude (such as Europe), this type of plant is also common. There are 11 genera and approximately 220-250 species in the pine family, mainly distributed in the northern hemisphere.