2. Oenanthe javanica is widely planted all over the world, the most famous of which are Oenanthe javanica originated in Europe and Oenanthe javanica originated in West Asia, which are widely planted in central and southern China, especially in Jiangxi, Zhejiang, Guangdong, Yunnan and Guizhou.
3. Wild celery, also known as Hemlock, Pulsatilla, Poisonous Ginseng, Crocodile Leaf Gelsemium, Hemlock Spotted, etc. , a perennial herb of Hemlock in Umbelliferae, distributed in the north temperate zone. Hemlock in China is distributed in the swamp areas of Northeast China, Northwest China and North China. The leaves of wild celery are like celery leaves and bloom in summer. The whole plant is smelly and poisonous, and the root is the most poisonous. After eating, it will cause nausea, vomiting, cold hands and feet, quadriplegia and even death. The toxic dose of human body is 30 ~ 60mg, and the lethal dose is120 ~150mg. Heating and drying can reduce the toxicity of celery.
4. Wild celery generally grows in humid places. Its leaves are similar to those of cress. It blooms in summer and smells bad. The whole plant of wild celery is toxic, especially the flower of wild celery is the most toxic. If you eat the flowers of wild celery by mistake, it will lead to nausea, vomiting, cold hands and feet, quadriplegia and so on. If it is serious, it will lead to death. This is because the toxicity of wild celery can cause motor nerve paralysis and inhibit the excitement of medulla oblongata center.
5, and the average person is poisoned, only 30~60 mg of poison is needed, and the lethal dose is 120~ 150 mg. So don't go to an unknown stall to buy celery for the sake of cheap, so as not to buy poisonous wild celery. In addition, if you go camping, try to bring your own food and don't eat wild plants outside to avoid poisoning.