Sentence: The Yangtze River, also known as Meixian Water, originates from Fujiadong at the foot of Mufu Mountain in the northwest of Pingjiang County and joins the Miluo River at Yangmei Port, with a total length of 84 kilometers and a drainage area of 670 square kilometers.

Description: (1) evergreen shrub or tree with narrow leaves and brown flowers, dioecious. The fruit surface has granular protrusions, purple or white, sweet and sour, and can be eaten. (2) the fruit of the plant. (3) strawberries. (4) syphilis.

2. Populus tomentosa

Sentence making: I decided to listen to more experts' opinions. Han Yifan, a researcher at China Academy of Forestry, told us that Beijing began to plant Populus tomentosa 20 years ago, and 70% of the trees in Beijing are of this variety.

Description: Deciduous trees, the bark of young trees is smooth, bluish white, the bark of old trees is cracked, the leaves are oval or dihedral, and the edges have wavy teeth. White wood can be used in construction, shipbuilding, paper making, etc. Also known as Populus euphratica, Populus euphratica or Populus alba.

3. Boxwood

Sentence-making: Young stem segments of Buxus macrophylla were used as explants and cultured in MS medium containing different hormone combinations of BA, NAA, IBA and 2,4-D to induce callus.

Description: Evergreen shrub or small tree with opposite leaves, lanceolate or oval, yellow flowers and foul smell. The wood is light yellow and dense, which can be used as carving material.

4. Willow

Sentence: Time flies. Since I left you, I have planted countless willows in the yard. They are already blue, green and yellow, but why can't I see the familiar figure coming towards me?

Explanation: (1) Yangliu. ② Generally refers to willow.

5. Poplar

Sentence: This corridor is formed by fast-growing hybrid poplars. It is located on a forest farm in California. These trees are in the shape of Gothic cathedrals. This structure is the confession of human indomitable spirit after a long time.

Description: See [Populus tomentosa].

6.poplars

Sentence: For example, the ancient Greeks used tea made of willow leaves and willow bark to relieve pain. Modern scientists have learned that this kind of tea contains salicin, which is acetylsalicylic acid? The predecessor of aspirin.

Explanation: Deciduous shrub with large oval leaves, fluffy leaves, red flowers and yellow anthers arranged in catkins. It is cultivated by rivers or houses to protect the river banks and for viewing. Also known as Pu Liu.

7.Populus euphratica

Sentence: The floodplain after flood should be the best place for Populus euphratica seeds to germinate and seedlings to replenish naturally, and flood is the necessary condition for Populus euphratica seeds to germinate and seedlings to replenish naturally.

Description: Deciduous trees have fine hairs on their branchlets, and the leaves of young trees are as long and narrow as willow leaves. The leaves of old trees are broadly oval or heart-shaped, with capsules and ovals. Growing in the desert.

8.alder

Sentence: Therefore, the fate of Mayflies mainly depends on the bumbling frogs, trout, alder, water spiders and other creatures in nearby streams, and each creature acts as the environment for other creatures.

Description: Deciduous trees have oval leaves, deep purple flowers and oval fruits. Fruit and bark can be used as brown dyes.

9.aspen

Sentence making: The main results are as follows: 1. The techniques of stem segment culture and callus regeneration of Populus euphratica with single bud were studied, which laid the foundation for further chromosome doubling and leaf cell protoplast culture in vitro.

Description: Deciduous tree with grayish brown bark, obovate leaves, short petiole, catkin inflorescence and oval fruit. Wood is white and light, and is used for building.

10, Populus simonii

Sentence: Biological compound fertilizer, microbial inoculum and water-retaining agent all significantly increased the tree height and annual net growth of DBH of Elm, Populus simonii, Robinia pseudoacacia and Luan tree, but the water-retaining agent was the highest.

Description: The leaves of deciduous trees are obovate or elliptic, smaller than those of Populus tomentosa, and the catkin and capsule are ovoid. Wood is soft and can be used for papermaking, building and making matches.