1. Dieffenbachia

2. Camphor

3. Pine tree

4. Iron tree

5. Rohdea tree

Introduction:

1. Dieffenbachia: Dieffenbachia (scientific name: Rohdea japonica) is the only species of the genus Dieffenbachia. It is a perennial evergreen herbaceous plant, also known as Dieffenbachia and Millennium Dieffenbachia. , open-throated sword, nine-section lotus, winter-lasting, winter-lasting grass, iron pole, ebony poison, white sand grass, snake-cutting sword, etc., native to southern China and Japan, are very popular and excellent ornamental plants. China has a long history of cultivation, and its Chinese name "蒀" means "herb that likes warmth." Dieffenbachia has emerald green leaves and is evergreen all year round. In winter, the green leaves are paired with red fruits. It is elegant and beautiful, and has the beautiful meaning of eternal youth, health and longevity, lasting friendship, wealth and good luck. This can be seen from Chen Haozi's horticulture work in 1688. We can learn from "Flower Mirror": "It takes the blame for its prosperity and decline, building houses and moving, employing people to manage ponds, children being born, and all happy events." During the Spring Festival, people like to put dieffenbachia indoors to celebrate the festival.

2. Cinnamomum camphora: Cinnamomum camphora is a large evergreen tree of the order Lauraceae, Lauraceae, and genus Cinnamomum. It can reach a height of 30 meters and a diameter of 3 meters. The crown is wide and oval; Dense and majestic, it is an excellent greening tree, street tree and courtyard shade tree. Produced in southern and southwestern provinces and autonomous regions of China. It is also distributed in Vietnam, North Korea, and Japan, and is often introduced and cultivated in other countries. All plants have the aroma of camphor, and camphor and camphor oil can be extracted. The wood is hard and beautiful, suitable for making furniture and boxes. Camphor tree is resistant to harmful gases such as chlorine, sulfur dioxide, ozone and fluorine, can repel mosquitoes and flies, and can withstand short-term flooding. It is the main raw material for the production of camphor. The material is of high quality and is a good material for making furniture.

3. Pine trees: Pine trees are the general name for plants in the Pinaceae family. They are strong and long-lived. In Chinese, many types of pine trees are called "cedars". In some climates that are not so hot, This type of plant is also more common in places around 40 degrees to 60 degrees north latitude (such as Europe). The general characteristics of pine trees are that the leaves are shaped like a needle (to prevent a large amount of water from evaporating), flat linear or needle-shaped leaves, spirally alternate, or in clusters on short branches; often monoecious; the stamens of the ball are The seed scales with ovules are also spiral and alternate; the stamens of the male cone have two sachets, and the seed scale of the female cone has two ovules. The bract scale and the seed scale on the back of the seed scale are separated. As far as the leaf shape of pine trees is concerned, pine needles are most people's impression of pine trees. However, it should be noted that the needles of pine trees do not grow directly on the branches, but on the node-shaped leaf pillows at the junction of branches and leaves.

4. Cycas revoluta Thunb: Cycas revoluta, alias: Pihuo banana, Phoenix tail banana, Phoenix tail pine, Phoenix tail grass, Latin name: Cycas revoluta Thunb. Cycas revoluta Thunb. Cycas revoluta, genus Cycas, one said because of Wood is so dense that it sinks when it enters water. It is as heavy as iron, hence its name. Another theory is that it requires a large amount of iron to grow, hence its name. Also known as phoenix banana, fire-avoiding banana, and phoenix pine, it is mostly grown in the south and is now widely distributed in countries such as China, Japan, the Philippines, and Indonesia. Cycads are most famous for their blooms, which are called "iron tree blooms." Cycad is a beautiful ornamental tree species that is widely cultivated. The stems contain starch and are edible. The seeds contain oil and rich starch, which are slightly toxic and are used for food and medicine. They are effective in treating dysentery, coughing and hemostasis.

5. Dragon cypress: Dragon cypress is a small evergreen tree native to China and Japan. Due to its beautiful tree shape and green branches and leaves, it is often used for landscaping purposes. Cypress is a rare garden tree with a cylindrical crown that resembles a coiled dragon and a fixed tower. It is suitable for planting around high-rise squares or as a place for potted plants. It has absorption function and dust removal effect on a variety of harmful gases.