The first category, oleander, oleander, Datura flower (Datura flower)
These flowers and plants are poisonous and harmful to human health. For example, leaves, flowers and trees of oleander all contain cardiac glycosides similar to digitalis. If it is heard for a long time, it will accelerate the heart rhythm and cause hallucinations, syncope and other central nervous system symptoms.
The second kind, cordate telosma
Its fragrance has a strong stimulating effect on people's sense of smell, and it will also discharge a lot of waste gas at night, which is not good for people. Patients with hypertension and heart disease are more likely to feel sultry after smelling it, so they need to choose carefully.
The third category, evergreen trees
It has certain irritation and toxicity. Its stems and leaves contain dumb enzyme and calcium oxalate, which will cause itching when touching the skin. If you taste it by mistake, it will also cause poisoning.
The fourth category, tulips.
Containing toxic alkali, continuous contact for more than two hours will make you dizzy.
The fifth category, mimosa
Have shame alkali, frequent contact will lead to hair loss.
The sixth category, daffodils
Contact between flowers and leaves and flower juice will cause skin redness and swelling.
Category VII: List of cancer-causing plants: millet, chamaejasme, chamaejasme, banyan, croton, Euonymus mollissima, croton, unicorn crown, ragweed, Euphorbia helioscopia, Euphorbia Euphorbia, Spatholobus Spatholobus, osmanthus fragrans, Kizilan, Jatropha multifida, coral red and alpine. Euphorbia lobata, Grifola frondosa, Fructus Forsythiae, Belamcanda, Iris, Gynostemma pentaphyllum, Clematis flavescens, Gynostemma, Datura stramonium, Sansuo, Impatiens balsamina, scissors, Podocarpus, Kiwifruit, Endothelium Corneum Gigeriae Galli, Bitter Almond and Achyranthes bidentata.
The "EB virus early antigen inducer" contained in these plants can induce EB virus to transform into lymphocytes and promote tumor growth caused by tumor virus or chemical carcinogens. If such plants are planted indoors, people may cause nasopharyngeal carcinoma, esophageal cancer and other cancers due to long-term inhalation of pollen and dust particles.