Evergreen trees, up to 10 m -55 m, with a diameter of 3 m and a wide oval crown; The crown is widely distributed, with dense branches and leaves; Branches, leaves and wood all smell of camphor; The bark is yellowish brown with irregular longitudinal cracks.
Second, the role
Strong resistance to sulfur dioxide, ozone and smoke pollution, can absorb a variety of toxic gases, repel mosquitoes and flies, resist wind and have tough branches. Cinnamomum camphora has the aroma of camphor, which can be used to extract camphor and camphor oil. Wood is hard and beautiful, suitable for making furniture and boxes.
Side effects: excessive inhalation of odor released by camphor tree, pine tree and laurel tree. It may induce allergic reactions in nasal cavity, bronchus and other parts of elderly friends with fragile respiratory tract, and aggravate the original patients with rhinitis, bronchitis and asthma.
Third, composition
Trunk and root contain 2-4% volatile oil. The main component of volatile oil is safrole, with the content of 60-95%, followed by β-pinene, phellandrene, eugenol and cinnamaldehyde.
Fourth, culture.
In 2006, Cinnamomum camphora was elected as the "city tree" in Yibin, enjoying the reputation of "city tree" in Yibin and becoming the main forest tree in Yibin area.
The origin of verb (abbreviation of verb)
Produced in southern and southwestern provinces. Vietnam, Korea and Japan are also distributed, and other countries often introduce and cultivate them. It mainly grows on sunny slopes, valleys and river banks, and the subtropical soil is fertile.
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