There are 10 species of evergreen and deciduous trees suitable for growing in Wuhan.

Deciduous tree of neem, up to 20 meters high. The crown is broad, flat-topped, and the branchlets are stout. There are many and obvious lenticels, with alternate leaves and 2 ~ 3 odd pinnate compound leaves. Leaflets ovate to elliptic, apex acuminate, why obtuse and serrated, different shades, slightly skewed at the base. Thyroid cymes are axillary and have fragrant lavender flowers. Drupe is nearly spherical, yellow when mature, persistent branches, and does not fall off after winter. The flowering period is from April to May, and the fruit ripens in10 ~165438+10. Uses: Azadirachta indica has beautiful appearance, beautiful branches and leaves, elegant and fragrant flowers, smoke and dust resistance, pollution resistance and sterilization. Therefore, it is suitable for shade trees, street trees and convalescent forests, and it is also a good tree species for greening around industrial plants. Deciduous tree of Broussonetia papyrifera, up to 16m, DBH 60cm. Bark light gray, branchlets densely covered with filiform bristles. The leaves are ovate, the leaf margin is coarsely serrated, and it is not cracked or irregular from February to May. During the fruit ripening period from July to August, garden shade trees, street trees and factory greening are distributed in North China, Northwest China, South China and Southwest China, which are common tree species in low mountains and plains in China. Japan, Vietnam, India and other countries are also distributed. Morphological characteristics of triangle maple: deciduous tree, 5- 10 m high; Bark is dark gray and flaky. Deciduous tree of Quercus acutissima, with obovate triangular, triangular or elliptic leaves, 6 6- 10/0cm long, 3-5cm wide and 25m high, DBH 1 m. The bark is dark gray and deeply split. Wood is hard, non-deformable and corrosion-resistant. Young leaves are mostly inverted oval, and adult leaves are long oval. The English name of Pterocarya stenoptera C.DC Pterocarya stenoptera is China Wingnut, also known as ladle willow, hemp willow, water willow, chicken fir, maple willow, centipede willow, flat willow, swallow tree and Acer truncatum. It belongs to Juglandaceae and Pterocarya. Morphological deciduous tree, up to 30 meters high, dry skin grayish brown, smooth when young, longitudinally split when old. Stipules bare buds, densely covered with rust hairs. Branchlets are gray, lenticels are obvious, pith is separated from habitat: widely distributed in North China, Central China, South China and Southwest provinces, most common in Yangtze River basin and Huaihe River basin, and also distributed in Korea. It is one of the native tree species in Shanghai. The scientific name of Sapium sebiferum(Linn. )Roxb。 Alias: Sakura, Oleaceae: Euphorbiaceae Sapium Category: Deciduous trees Morphological characteristics: Deciduous trees, up to 15m, DBH 60m. The crown is nearly spherical, the branchlets are thin, the leaves are rhombic and rhombic-ovate, the apex is acuminate, the base is broadly wedge-shaped, and the whole leaves are entire. The petiole is slender and has two glands at the top. Inflorescence terminal, with yellow-green flowers. Fruit oblate, dark brown, cracking at maturity. The seeds are black, covered with ash, and stay on the fruit axis all winter. Flowering from May to July, 10- 1 1 fruit is ripe. Distribution: It is produced in the south of Qinling and Huaihe River basins in China, east of Taiwan Province Province, south of Hainan Island, west of central Sichuan below 1000m, and southwest of Guizhou and Yunnan below 2000m m. The main cultivation areas are in Zhejiang, Hubei, Sichuan, Guizhou, Anhui, Yunnan, Jiangxi, Fujian and other provinces south of the Yangtze River basin. Gleditsia sinensis alias: Gleditsia sinensis: Leguminosae: Gleditsia sinensis origin: morphological characteristics: deciduous trees, up to 30m high, flat crown, trunk and branches with branched spines. Leaflets in 3-7 pairs, ovate to ovate-oblong, with blunt tip and short tip, thin and obtuse serrate, 1 pinnate compound leaves, axillary racemes, inflorescence axis, pedicels and calyx pilose. The fruit is banded, curved or straight, woody, and does not drop fruit after winter. The seeds are flat and bright brown, and the flowering period is April-May. Toona sinensis alias: Toona sinensis (A.Juss.)Roem family: Meliaceae genus: Toona sinensis origin: Morphological characteristics: deciduous tree, with 25m height, stout branchlets, large leaf scars, even pinnate compound leaves, ovate-lanceolate leaflets, asymmetrical base and small leaves. Panicle terminal with white flowers. Capsule oval, flowering in May-June. Ecological habits are like fertile soil with light, water resistance and moisture resistance, deep roots and luxuriant leaves, and strong germination. Ornamental value The tree has a wide crown and a straight trunk. Its leaves are red and gorgeous in spring and autumn, and its fruit cracks in the shape of wood flowers after autumn. It is very beautiful after winter. Garden application court shade trees, street trees, special economic forests. Ailanthus altissima alias: Ailanthus altissima: Ailanthus altissima origin: Ailanthus altissima morphological characteristics: deciduous trees, up to 30 meters, with a flat or umbrella crown. The bark is grayish white or grayish black, smooth and slightly cracked. Branchlets are stout. The leaf scar is large, obovate, and there are 9 vascular bundle scars inside. Odd-pinnate compound leaves, alternate, lobules 13 ~ 25, ovate-lanceolate, entire in the middle and upper parts, with 1 ~ 2 pairs of coarse serrations near the base, glandular points at the top of the teeth, and swollen and smelly at the base of the leaf stalk. May-June flowering, terminal panicle, white flowers, oval capsules, many seeds, flat membrane wings. Sophora japonica alias: Sophora japonica, scientific name: Sophora japonica Linn. Family: Leguminosae: Sophora japonica origin: morphological characteristics: deciduous trees, Sophora japonica crown is spherical and huge. Odd-pinnate compound leaves, alternate, 7~ 17 leaflets, bisexual flowers, terminal panicles, butterflies, yellow and white, flowering in July and August,165438+1October, fruit ripening, pod fleshy, beaded, dry and unbreakable after maturity, common hanging on the top of trees, Ecological habits are cold-resistant, sunny, slightly shade-resistant, moisture-resistant and drought-resistant, and grow best on moist, fertile, deep and well-drained sandy soil. Ornamental value Regular crown, lush foliage, white and fragrant flowers, very beautiful. Shade trees and street trees are used in gardens. Hibiscus Species: Hibiscus Alias: Hibiscus, Hedgerow Scientific Name: Hibiscus: Malvaceae Genus: Hibiscus Origin: Morphological characteristics Deciduous shrub or small tree, with long and short branches, densely villous, simple leaves alternate, rhombic oval leaves, wedge-shaped base, entire lower part, and slightly hairy veins below. Metasequoia: Metasequoia; Metasequoia glyptostroboides; Origin: morphological characteristics; Deciduous trees; The champion of a tree up to 35m is conical. The big branches spread obliquely, the bark is grayish brown, and the fairy skin is purple brown. Branchlets opposite or subopposite, light brown or light brown gray, pendulous. The strip-shaped leaves are almost sessile, entire and pinnate, and there are two yellowish stomatal bands on the back of the leaves. When mature, the cones are dark brown and the seeds are obovate. Tree species with positive ecological habits, tolerant to shade. Prefer humid climate, avoid drought, barrenness and waterlogging. Ornamental value Metasequoia glyptostroboides is a well-known ornamental tree species with neat crown shape, beautiful tree posture, beautiful branches and leaves, and leaves turn yellow in autumn. It is most suitable for garden application in dike cliffs, lakesides, Chi Pan and other places. It is planted into forest belts and patches in rows, clusters or groups, and used as ornamental trees, street trees and shade trees.