What are the materials of camphor trees?

Camphor trees are large evergreen trees of the genus Cinnamomum of Lauraceae, also known as camphor trees, camphor trees, smelly camphor trees, camphor trees, camphor

Morphological characteristics

Camphor tree up to 30 meters high, up to 3 meters in diameter, the crown is widely ovoid, branches, leaves and wood are camphor smell, yellow-brown bark, terminal buds widely ovate or spherical, branches cylindrical. Leaves alternate, ovate-elliptic, petiole slender. The bark is green and smooth when young, and becomes yellowish brown or grayish brown longitudinally when old. Inflorescences axillary, pedicellate, flowers green-white or yellowish, perianth outside glabrous or puberulent, perianth tube obconical, perianth lobes elliptic. Ovary globose, glabrous. Fruit ovoid or subglobose, purplish black. The flowering period is from April to May and the fruiting period is from August to November.

Growth habit

Camphor trees like light, shade tolerance, warm and humid climate, cold tolerance is not strong, suitable for growing in sandy loam, more resistant to water and moisture, but when transplanting should pay attention to maintain soil moisture, waterlogging is easy to cause rotting roots to die of hypoxia, but not resistant to drought, barren and saline-alkali soil. The main root is well-developed, deep-rooted and resistant to wind. Strong sprouting ability, resistant to pruning. The growth rate is medium, and the tree is as large as an umbrella, which can hide from the shade and cool.

Distribution range

Camphor trees adapt to an altitude of less than 1800 meters above sea level, and can reach 1000 meters above sea level in the south and southwest of the Yangtze River. they mainly grow on sunny slopes, valleys and riparian flatlands with fertile soil in the subtropics. It is produced in the south and southwest of China, and is also distributed in Vietnam, Korea and Japan. It is often introduced in other countries. Yibin area of Sichuan Province has the widest growing area, and the main breeding bases are Shuyang, Jiangsu, Zhejiang, Anhui and other places.

Cultivation value

1. Economic value: camphor and camphor oil can be extracted from camphor roots, wood, branches and leaves. Camphor is used for medicine, plastics, explosives, anticorrosion, insecticidal, etc. Camphor oil can be used as raw materials such as pesticides, mineral processing, soap, fake paint and flavors. Excellent wood quality, pest resistance, moisture resistance, for construction, shipbuilding, furniture, cabinets, plates, carving and so on.

2. Garden value: camphor trees have dense branches and leaves, thick crown and shade, majestic tree posture, smoking and dust retention, water conservation, soil fixation, sand prevention and beautification of the environment. It is an excellent tree species for urban greening. Widely used as shade trees, street trees, shelterbelts and scenic forests are often used in gardens. It is magnificent to plant in groups, alone or as background trees in grasslands, and because of its strong resistance to a variety of toxic gases, strong ability to absorb dust and absorb harmful gases, it is often used in cities and industrial and mining areas.

3. Medicinal value: camphor bark has the effect of invigorating qi and treating ulcers of lower limbs. Camphor tree fruit has the effect of relieving fever and treating high fever, measles, pertussis, dysentery and other diseases. Camphor root has the effect of regulating qi and activating blood circulation, removing rheumatism, treating vomiting and diarrhea, distending pain in heart and abdomen, arthralgia in rheumatism, injury caused by falling and so on. Camphor wood has the effect of dispelling rheumatism, promoting qi and blood, promoting joints, and treating distending pain in heart and abdomen, beriberi, gout, scabies, fall injury and so on.