Poplar (Latin name: Populus L.) belongs to the genus Populus, with about 65,438+000 species. There are about 62 species (including 6 hybrids) in China, of which 57 species are distributed in China and about 4 species are introduced and cultivated. In addition, there are many varieties, variants and introduced strains.

2. Huaihe River

Sophora japonica, also known as Sophora japonica, is a tall tree with pinnate compound leaves similar to Robinia pseudoacacia. Flowering in late summer, different from other tree species, is an important nectar source plant. Flowers and pods are used as medicine, which have the functions of cooling and astringency, hemostasis and blood pressure reduction; Leaves and root bark have the effects of clearing away heat and toxic materials, and can be used to treat sores. Wood is used for building. Seed kernel contains starch, which can be used for brewing wine or as paste and feed. Bark, branches and leaves, buds, flowers and seeds can all be used as medicine.

3. Chinese fir

Chinese fir, scientific name? (Mutton. ) hook. , also known as sand tree, sand tree, etc. , belonging to Cupressus, Cunninghamia, 30 meters high, DBH 2.5-3 meters; Bark grayish brown; The winter buds are nearly round, the male cones are conical, the female cones are solitary, and the cones are ovoid, 2.5-5 cm long and 3-4 cm in diameter; The seeds are flat, covered by seed scales, ovoid or oblong, flowering in April, and the cones mature in late June.

4, camphor tree

Cinnamomum camphora group, namely Cinnamomum camphora, alias: Cinnamomum camphora, Cinnamomum camphora, Cinnamomum camphora, Cinnamomum camphora, Cinnamomum camphora, Cinnamomum camphora, Cinnamomum camphora; Latin scientific name: Cinnamomum camphora (L.) Presl, an evergreen tree of Lauraceae, with a height of 10-55 meters, a diameter of 3 meters and a broad oval crown; With broad crown, dense branches and leaves, magnificent momentum and evergreen seasons, it is an excellent greening tree, street tree and courtyard shade tree in southern cities of China.

5. Luan tree

Fast-growing tree species, like light, slightly tolerant to shade, like humid climate, but have certain tolerance to cold and drought. It can grow on acidic and weakly alkaline soils. Deep roots and strong germination ability. Strong resistance to sulfur dioxide.