This article shows you top 6 common plant species harmful to human. They are Parasol tree seed, Oleander, Devil’s trumpet, Poinsettias, Chinese evergreens and Rhododendron. In reality, these plants are familiar in daily life but they consist of many dangerous toxins.
Parasol tree seed
Each parasol tree can be up to 7 meters high. These trees usually grow in the forest, especially in rainforests or on limestone soils. At harvest time, people usually pick seeds and leaves, seeds.
Although stems, leaves and resin are often used as precious remedies, the fruits and seeds of parasol tree contain a toxic called curcin, which can cause the diseases related to liver and digestive system. If children are unfortunate to eat the seeds, they have to suffer from diarrhea, vomiting, stomach pains and burned throat. In case of severe poisoning, patients may deal with central nervous system depression, cardiovascular disorders and gastrointestinal bleeding.
Despite being an attractive flowering shrub, Oleander is one of the most harmful plants that are commonly grown in gardens. In reality, oleander is extremely toxic to children, but it is still grown in schoolyards.
Eating oleander can cause several symptoms for both digestive system and cardiovascular system. The gastrointestinal symptoms may include vomiting, salivation, abdominal pain and diarrhea with or without blood. The cardiovascular symptoms consist of arrhythmias. At first, tachycardia occurs, but then heart rate is slow below normal. The heart may beat abnormally and does not have signs of specific beats. More severe cases can lead to pale skin and chilliness due to poor blood circulation. The effects caused by this Oleander poisoning can also badly affect the central nervous system.
These symptoms may include absent expression, limbs and muscles trembling, seizures, coma; and even this disease can lead to death. Oleander rinse can cause severe skin irritation, swelling, eye irritation and typical allergic reactions of dermatitis.
This tree has many names such as Belladonna, Devil’s Berries and Death Cherries. Its leaves and fruits are quite poisonous. In case children eat this tree, death may occur.
As the most poisonous plant in the Western Hemisphere, the toxin included in Devil’s trumpet causes a lot of symptoms involving delirium, hallucination, mydriasis, sensitivity to light, rapid heartbeat, imbalance of mind, headache, hives, constipation and convulsion. If victims are not given emergency aid timely, they will die from the toxins that will interrupt the operations of certain organs such as sweat glands, breath and heart rate.
Poinsettia features the leaves of bright red, pink or white together with bunches of small yellow flowers in the middle. Poinsettia is loved by many people; therefore, it is arranged in the house on Christmas and Tet holidays because of its good look and lucky name. However, the poinsettias rinse can irritate the skin and eyes like other plants of the family of Ricinus. If eating poinsettias leaves, you may have diarrhea or vomiting.
The Chinese evergreen is a plant species that is green all year round and originates in the tropical forests of the north of South America and Western India. As one of the most widely used plants (because they can be easily grown and have a great variety of species), Chinese evergreens are often used in interior and exterior decoration. However, this is also the most noxious plant in the world. Chewing any parts of this plant can cause severe pains in the mouth and throat and excessive salivation. In some cases, the throat swells up, leading to suffocation.
The Rhododendron is one of the favorite ornamental plants. On New Year, Vietnamese families usually grow rhododendron in the house to pray for a comfortable life in the new year. However, in reality, the roots, trunks, leaves and flowers of this plant contain the poison that causes nausea, vomiting, dizziness and difficulty in breathing. Children weighing 25 kilograms will be poisoned if eating from 100 to 250 grams of rhododendron leaves.
Although they are all common plant species, you should avoid touching parts of the above-mentioned plants that may give you some dangerous diseases. Hope that the information above will help you to attain more knowledge of features of plants around us.