& quot; environmental guardian & is quot; oleander poisonous? Can I keep it indoors? When will it blossom?

Oleander, also known as pen peach, Aries peach, Jiujie swelling, willow peach and so on, is often cultivated in parks, scenic spots, roadsides or riversides and lakes. Is that oleander poisonous? Can I keep it indoors? When will it blossom?

Oleander is native to India with strong adaptability and has been widely introduced all over the world a long time ago. Oleander is an evergreen upright shrub up to 5 meters high, with gray-green branches, twigs with bristles, puberulent hairs and shedding hairs when old. Leaves 3-4 whorled, leaf surface dark green, leaf back light green, midvein sunken on leaf surface, petiole flattened, Cymes terminal, Corolla crimson or pink, Corolla 5-lobed, Corolla funnel-shaped, seeds oblong.

Is oleander poisonous?

Oleander was first introduced as a courtyard ornamental plant in the Tang and Song dynasties, but it is most famous not for its delicate and beautiful flowers, but for its toxicity.

The whole plant of oleander contains very strong toxin, which can cause human and animal death, and a small number of deaths have been reported. The whole plant contains a variety of toxins, the largest of which are cardiotonic glycosides. The leaves, bark, root and pollen of oleander are all poisonous, and the concentration of toxin is the highest in tree sap. The milky sap secreted by it is rich in oleoside, which is easy to be poisoned after accidental ingestion. What is even more striking is that the toxicity of oleander still exists even after it has dried up, and the smoke produced during burning is also highly toxic.

Oleander poisoning symptoms

Oleander poisoning is mainly manifested as digitalis poisoning symptoms, including nausea, vomiting, abdominal pain, diarrhea, slow heartbeat or tachycardia, arrhythmia, fever, dyspnea, cyanosis, blurred vision, rash around the mouth, and so on. Finally, syncope, convulsion, coma, ectopic rhythm; electrocardiogram can appear bradycardia, conduction block and other kinds of arrhythmias, often die of ventricular fibrillation, circulatory failure.

Therefore, although oleander is beautiful, it is still not suitable to be widely used as an ornamental flower, especially in the family, so it is not recommended to grow it indoors. When watching this kind of flower, do not come into contact with the white juice secreted from the flowers, stems and leaves. And should publicize and educate children not to pick and chew flowers and leaves casually.

So why are these poisonous oleander, oleander poisonous?

Because oleander is one of the plants with the strongest ability to absorb dust in the world, it is known as the natural "green vacuum cleaner". It has a very strong ability to absorb harmful gases such as sulfur dioxide, chlorine and hydrogen fluoride, and can retain smoke and dust, even if the whole body is covered with dust. According to the determination, the oleander planted in the pot was only slightly damaged at 40 meters from the pollution source, but basically harmless at 170 meters, and could still blossom normally, and the sulfur content in its leaves was more than 7 times higher than that of the uncontaminated ones. Oleander, even if covered with dust, can still grow vigorously, and is called the "guardian of environmental protection".

When will oleander blossom?

The flowering period of bamboo peach is long, the florescence is almost all year round, summer and autumn is the most prosperous, and the flowers are delicate and beautiful. Every flowering period, there are numerous and dense white or pink flowers, dotted with our city. Whenever it is in full bloom, it always attracts people to take group photos, and some even pick flower branches for young children to play with. In fact, this kind of "close contact" with oleander is very dangerous.

Reminder: in the face of a beautiful "environmental guardian", please keep a distant view, do not play close.