Flowers harmful to human body (1) should not be kept indoors for a long time. Pine and cypress plants, such as a large number of indoor plants, will release a strong rosin, which will affect people's appetite and make pregnant women feel sick. Geranium can cause allergic reactions in some people; Tulip flowers contain toxic alkali, and too long exposure will make people dizzy and make people's hair fall off; Cordate telosma emits a lot of waste gas when it stops photosynthesis at night, which will make patients with hypertension and heart disease feel depressed; Jade cloves in the room for a long time will give off peculiar smell, and some people will cause asthma and boredom; The smell of elderberry can also make people sick and dizzy. Therefore, the flowers listed above should not be placed indoors for too long. (2) Poisonous flowers: ① Rhododendrons, plants and flowers contain toxins, which can be poisoned if eaten by mistake. (2) Poinsettia, the whole plant is poisonous, and the white juice can stimulate the skin to be red and swollen, and eating the stems and leaves by mistake is in danger of poisoning and death. 3 oleander, branches, leaves and bark all contain oleanolide, and eating a few grams of dry matter by mistake can cause poisoning. (4) Light leaves are succulent plants, and the white juice from broken stems can make the skin red and swollen, which can cause blindness if eaten by mistake. ⑤ Five-colored plum, with poisonous flowers and leaves, can cause diarrhea and fever if eaten by mistake. ⑥ Narcissus and bulbs contain lacodine, which can cause enteritis and vomiting if eaten by mistake. The juice of leaves and flowers will make the skin red and swollen. ⑦ Lycoris radiata and bulbs contain lycorine and other toxic substances. Exposure to lycorine can cause redness and itching. Lycorine inhaled into respiratory tract can cause nosebleeds, vomiting, diarrhea, cold hands and feet, shock, and even death due to central nervous system paralysis. 8 mimosa, the body contains mimosaponin, too much contact will make people's hair fall off and eyebrows sparse. Pet-name ruby thorn plum, overlord whip, the white milk in the stem is toxic and can't enter the eyes. Attending the leaves, flowers and leaves of Evergreen contain oxalic acid and asparagine, which will cause swelling and pain in the mouth, throat, esophagus and stomach, and even hurt the vocal cords, making people dumb. ⑾ The prickles of cactus plants contain poisonous juice, and allergic symptoms such as redness, pain and itching are easy to appear after being stabbed. ⑿ coral bean, the whole plant is poisonous. Children should be educated not to eat its red fruit. 1, Yumeiren: The whole plant is toxic, containing toxic alkaloids, and the fruit is the most toxic. Eating by mistake can lead to central nervous system poisoning and even death. However, a small amount of juice can stop diarrhea after cooking. 2, sea otter: the juice in the stems and leaves is toxic, beware of eating in your mouth or eyes, otherwise it will cause symptoms such as vomiting. 3. Tulip: The flower contains a certain amount of toxic alkali. Staying in the flower for 2 hours will make people dizzy, and in severe cases it will lead to hair loss. 4, oleander: flowers, leaves, stems are toxic, and children should be prevented from eating by mistake. 5. Rhododendron: Yellow flowers contain toxic substances, which can cause vomiting, dyspnea and numbness of limbs after poisoning. 6. Poinsettia: The whole plant is poisonous. After its milky juice pollutes the skin, it will cause allergic reactions such as redness and swelling of the skin, and eating stems and leaves by mistake will cause shock. 7, five-color plum: mosaic is toxic, eating by mistake will cause diarrhea and fever. 8. Wenshulan: The whole plant is toxic, and its bulb juice is the most toxic. 9. Tequila: The leaf juice is toxic, which will cause burning sensation and irritate the skin after contact with the skin. 10, cordate telosma: After stopping photosynthesis at night, a large amount of waste gas is discharged, which will make people dizzy and cough if they are left in the bedroom or closed living room for a long time. Even insomnia and asthma. 1 1, Narcissus: Bulbs contain Butachtin, which can cause vomiting and diarrhea if eaten by mistake. The sap of leaves and flowers can cause harm, make the skin red and swollen, and if it gets into the eyes by mistake, it will lead to blindness. 12, bachelor tree: the juice flowing out after the stem is broken can make the skin red and swollen, and it will lead to blindness if it is caught in the eye by mistake. 13, evergreen mosaic: the juice of leaves and stems is toxic, which will cause skin inflammation, and the tongue will swell when taken in the mouth by mistake, leading to temporary loss of voice. 14, cactus plants: the thorns contain poisonous juice, and allergic symptoms such as redness, tingling and itching will appear after being stabbed. 15, Datura stramonium: The juice is poisonous and the fruit is highly toxic. The family is advised not to maintain it. 16, others: flowers such as bamboo, Rosa davurica, coral flower, unicorn thorn, Lycoris radiata and oleander are toxic to human body; Begonia, iris, Cinnamomum cassia, Folium Alternanthera, etc. can promote cancer. The above flowers are harmful to the human body, but as long as you don't pick them at will, or don't give them to children to play with, to prevent the entrance from entering the eyes, it will generally not cause poisoning. Nerium oleander blooms in spring, summer and autumn every year, which is a kind of ornamental and therapeutic flower and can also be poisoned. Its stems, leaves and even flowers are poisonous. If you smell it for too long, it will make people sleepy and decrease their intelligence. The milky juice it secretes will be poisoned if eaten by mistake. Poinsettia is toxic to the whole plant, especially the white juice in the stems and leaves will stimulate the skin and cause allergic reactions. If the stems and leaves are eaten by mistake, there is a danger of poisoning and death. Narcissus can be planted at home, but don't break its bulb, because it contains Latin toxin, which can cause vomiting and enteritis if eaten by mistake; The juice of leaves and flowers will make the skin red and swollen. Be especially careful not to let juice into your eyes. The whole plant of corn poppy is toxic and contains toxic alkaloids, especially the fruit is the most toxic. If you eat it by mistake, it will cause central nervous system poisoning, and it will even be life-threatening. Water chestnut lotus is poisonous and contains a lot of calcium oxalate crystals and alkaloids. Eating by mistake can cause poisoning symptoms such as coma. The flowers and leaves of five-color plum are poisonous, which can cause diarrhea, fever and other symptoms after eating by mistake. Datura flower, also known as belladonna flower, is common in rural areas in the south of the Yangtze River, and children will be poisoned if they eat it by mistake. Cordate telosma will emit a lot of waste gas after photosynthesis stops at night. This kind of waste gas smells good, but it is not good for human health. If left indoors for a long time, it will cause dizziness, cough, even asthma and insomnia. So, put the cordate telosma indoors during the day and move it outdoors at night. Tulip flowers contain toxic alkali. When people and animals stay in this flower cluster for 2 -3 hours, they will feel dizzy and have symptoms of poisoning. In severe cases, their hair will fall off, so it is not suitable for planting at home. Lycoris radiata contains Lycoris radiata alkaloids, and the whole plant is toxic. If eaten by mistake, it will cause vomiting and diarrhea, and in severe cases, there will be language barriers and mouth and nose bleeding. Rhododendron yellow plants and flowers contain toxins, which will be poisoned if eaten by mistake; The flowers of Rhododendron leucocephala contain tetracyclic diterpenes, which can cause vomiting, dyspnea and numbness of limbs. Poisoning can cause shock and seriously endanger human health. Pollen emitted by Bauhinia can induce asthma or aggravate cough symptoms if people contact it for too long. Delphinium, also known as radish flower, is toxic to the whole plant, and its seeds are more toxic, mainly containing terpenoid alkaloids. If eaten by mistake, it will cause nervous system poisoning, severe spasm and respiratory failure and die. Nandina domestica is slender and graceful, but the whole plant is poisonous, mainly containing tetrahydropalmatine and tetrahydropalmatine. Poisoning symptoms such as convulsions, spasms and coma are easily caused after eating by mistake. Mimosa contains mimosin. If this toxin is exposed to too much, it will lead to thinning eyebrows, yellowing hair and even falling off. So don't fiddle with it too much with your fingers. Foliage-watching evergreen leaves contain oxalic acid and asparagine, which can cause pain in the mouth, throat, esophagus and gastrointestinal tract after eating by mistake, and seriously hurt the vocal cords, making people dumb. The seeds, stems and skins of wisteria are toxic, and the seeds contain genistein, which can cause vomiting and diarrhea after eating by mistake, and even cause mouth and nose bleeding, cold hands and feet, and even shock death in severe cases. The rich fragrance of Chinese rose will make individuals suddenly feel chest tightness and discomfort after smelling it, making it difficult to breathe. The fragrance of lily, if smelled for too long, will make people's central nervous system excessively excited and cause insomnia. The prickles of cactus plants contain poisonous juice, which can cause allergic symptoms such as redness, swelling, pain and itching, leading to discomfort and anxiety. The fragrant smell of flowers and trees such as pine and cypress can stimulate people's stomach. If you smell it for too long, it will not only affect people's appetite, but also make pregnant women feel uncomfortable, disgusting and dizzy. The fragrance of orchids, if smelled for too long, will make people too excited and lead to insomnia. The particles emitted by hydrangea will make some people's skin itch if they come into contact with people. Studies have proved that 52 kinds of plants are easy to promote cancer, and the common ones are Osmanthus fragrans, Daphne odora, Begonia and Impatiens. It is best not to raise 52 kinds of cancer-promoting plants and their nicknames: Stellera chamaejasme, Stellera chamaejasme (meteor Stellera chamaejasme), Alpine Snow (silvery green, ivory white), Begonia (thorn plum in the north, commonly known as "eight treasures" in Shantou), Osmanthus fragrans (green purple wood, red osmanthus fragrans) and Sapium sebiferum (red sapium sebiferum). Euphorbia macrophylla, Anemarrhena asphodeloides, Hedyotis diffusa, Iris, Pteris multifida, Sophora flavescens, Gynura divaricata, Sansuo, Scissors, Podocarpus, Kiwifruit, Hainan Fruit, Bitter Almond and Achyranthes bidentata. Iris is also called blue butterfly.