What trees are there in the south?

Common trees in South China: Pittosporum, Palm Tree, Photinia rubra, Ligustrum lucidum, Ligustrum lucidum, Pentaphyllum pentaphyllum, Osmanthus fragrans, Lagerstroemia speciosa, Prunus cerasifolia, Cherry Blossom, Peach Tree, Peach Blossom, Camellia sinensis, Tea Tree, Syzygium pentaphyllum, Iris, Zhu Dinghong, Ophiopogon japonicus, Chinese Rose and Mu Bi.

1, paulownia

Pittosporum is 6 meters high, with obovate or obovate leaves, rounded or slightly concave apex, reflexed edges, dioecious, terminal corymb, white flowers, about 65438 0 cm in diameter, fragrant, ovoid capsules, 65438 0 to 65438 0.2 cm in length, 3-lobed seeds and bright red.

It blooms in May and ripens in June, 5438+ 10. I like warm and humid climate and have strong cold tolerance. It can be introduced to the open field south of the Yellow River for wintering and has strong adaptability to soil. It can grow normally in clay, sandy soil and mild saline-alkali soil.

It has strong resistance to sulfur dioxide, hydrogen fluoride, chlorine and other toxic gases. The latest research found that its branches and leaves contain volatile antibacterial compounds such as acetic acid, acetaldehyde, acrylic acid and methyl salicylate, and volatile aromatic compounds such as citral, ethyl acetoacetate and butanone alcohol, which have strong air purification effect.

Smooth and dense leaves, strong germination, pruning resistance and easy modeling are widely used in shrub balls, hedgerows and modeling trees.

2. Palm trees

Palm trees are evergreen trees with cylindrical trunks, usually with old petioles and lower leaves. They are native to China and distributed in the south of Qinling Mountains in China except Tibet. It is often used in courtyards, roadsides and flower beds and is suitable for viewing in all seasons.

Wood can be used to make utensils, leaves can be used to make handicrafts such as fans and hats, and roots can be used as medicine. The leaves of palm trees are vertically dry, fan-shaped and nearly round, the stems are 50-70cm, and the palmately divided depth reaches the middle and lower parts; The petiole is 40- 100cm long and has fine teeth on both sides. Dioecious, axillary panicles, small yellow flowers, kidney-shaped drupes, stems about 1cm, blue-brown, covered with white powder. The flowering period is from April to May, and the fruit ripens in June10-165438+10.

3. Photinia rubra?

Photinia× Photinia rubra? Dress) is a hybrid of Rosaceae and Photinia, and it is a small evergreen tree or shrub. The height of trees can reach 5 meters, and the height of shrubs can reach 2 meters. The crown is spherical, the leaves are leathery, oblong to obovate, lanceolate, and the leaves are gradually pointed.

Wedge-shaped leaf base, serrated leaves, glands, many and dense flowers, compound corymbose inflorescence, white flowers, yellow-red pear fruit, flowering in May-July, and bearing fruit in September-65438+10.

It is mainly distributed in subtropical and temperate regions of Southeast Asia, East Asia and North America, and is also widely cultivated in many provinces in China.

4. Ligustrum lucidum

Ligustrum lucidum is an evergreen shrub or tree of Ligustrum lucidum in Oleaceae, and its height can reach 25 meters. Bark grayish brown, branches yellowish brown, gray or purplish red, cylindrical, sparsely round or rectangular lenticels.

Ligustrum lucidum is a subtropical tree species with dense branches and neat trees. It is a common ornamental tree species, which can be planted alone or in clusters in courtyards, street trees, hedges and so on.

Ligustrum lucidum is native to China, widely distributed in the Yangtze River valley and the south, and also cultivated in North China and Northwest China. It can withstand the low temperature of-10℃, and is a native tree species widely used in landscaping.

Mainly distributed in Jiangsu, Zhejiang, Jiangxi, Anhui, Shandong, Sichuan, Guizhou, Hubei, Guangdong, Guangxi and Fujian. Propagation by sowing, cutting and layering. Leaves can be distilled to extract wintergreen oil, which can be used as an additive for candy and toothpaste. The ripe fruit is dried in the sun and made into Ligustrum lucidum, which is cool, sweet and bitter, can improve eyesight, blacken hair and nourish liver and kidney.

5. Ligustrum microphyllum

Ligustrum lucidum (scientific name: Ligustrum lucidum? Carl. ) is a small shrub of Ligustrum in Oleaceae, with thin leaves and leathery; The flowers are white, fragrant and sessile; Corolla tube and corolla lobes are equal in length, and anthers exceed corolla lobes.

Drupe wide oval, black. Habitat in ditches, roadsides, riverside bushes and slopes. Main branches and leaves of Ligustrum lucidum. Compact and round, usually planted in the courtyard. It is an important hedge material for landscaping. Its leaves are used as medicine, which has the effect of clearing away heat and toxic materials, and can treat burns and scalds, while bark is used as medicine to treat burns.

It is resistant to a variety of toxic gases and is an excellent pollution-resistant tree species. Its leaves are small, evergreen, resistant to pruning and growing rapidly. It is also an excellent tree species for making bonsai.