June is sunny and summer flowers are brilliant, but not every flower is suitable for close contact.
No, when a netizen took a photo with an oleander, he bit the flower and "shaped it", and was admitted to the hospital after being poisoned.
Which parts of oleander are poisonous?
What other common plants are "poisonous"?
Hear what the experts have to say.
【1】Which parts of oleander are poisonous?
[Concurrent] Liu Bing, associate researcher at the Institute of Botany, Chinese Academy of Sciences
The whole plant of oleander is poisonous, the roots, stems, leaves and flowers are poisonous, and then the toxicity of the flowers may be considered relatively small.
The leaves and roots are very toxic, and its main toxic components may be substances such as cardiac glycosides.
If you just touch it normally, it shouldn't be a problem, unless you have a wound on your hand or something. Generally, it's not a big problem, just don't eat it.
【2】What are the symptoms of oleander poisoning?
[Concurrent] Liu Bing, associate researcher at the Institute of Botany, Chinese Academy of Sciences
If ingested by mistake, then it will first cause your symptoms, such as the digestive system, such as vomiting or some irritation of the mouth, nausea, etc., and then it is the most serious, the most important point is For the circulatory system and the heart, because it contains cardiac glycosides, it will have a great impact on your circulatory system. Then, for example, if your heartbeat is irregular or too fast, another one may further affect your nerves. The system provokes a number of reactions in your brain, the most serious ones that can be fatal.
【3】How to identify oleander?
[Concurrent] Liu Bing, associate researcher at the Institute of Botany, Chinese Academy of Sciences
In areas north of the Yellow River, we usually do not see oleander grown outdoors.
But if it is south of the Yellow River, it is very common.
Its biggest feature is that its leaves are called long-lanceolate, which means that it is longer and narrower, and then the three leaves grow together.
Then the flowers are usually at the top.
Its flowers are said to be numbered five, and you can see the so-called five petals if you look closely.
Another feature is that its leaves are thicker to the touch.
If you cut it off, white milk will come out.
[4] In addition to oleander, what other common poisonous plants are there?
[Concurrent] Liu Bing, associate researcher at the Institute of Botany, Chinese Academy of Sciences
For example, some succulents of the Euphorbiaceae family, such as the bullpen, there are also things called Tie Haitang, and there are things called tiger thorn plums. You can touch them, but you should not be hurt by their thorns, or you should not go If you cut off the leaf milk and put it on, you will be poisoned. Some of you are like some of our indoor foliage plants. For example, there is a calla lily, commonly known as dripping Guanyin, which is relatively toxic.
In terms of poisoning incidents that occur every year, Aconitum is the most common in the north.
The masses eat it as a wild vegetable.
Then the most poisoning incidents in the south are hook kisses.
Commonly known as broken heart grass.
Mistaking it for honeysuckle and picking it to make tea and drinking it, it will cause poisoning.
【V】How to avoid exposure to plant poisoning?
[Concurrent] Liu Bing, associate researcher at the Institute of Botany, Chinese Academy of Sciences
If you see a plant with more hair and thorns on its body, try not to touch it, you may avoid a lot of trouble, and then these plants with milk, either their leaves are cut off to have milk, or their trees are If the skin is cut by a knife, milk will flow down. Most of these plants are poisonous, and most of them should not be touched.
Of course some plants that have milk are not poisonous.
But if you don't know you don't know the plant and don't understand it, try not to touch it.
Reporter Wen Mengxin reports from Beijing
Responsible editor: [Luo Pan]