Plants

Friday, 16 October 2026
21 facts about olives
21 facts about olives
"Where the olive refuses to grow, there the Mediterranean world ends"
It is not known exactly when and where the first olive tree, characteristic of the Mediterranean region, grew. Paleobotanists claim that wild olives g ...

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Olives
The ability to survive in such harsh climatic conditions and thus to take up water is related to the morphological and anatomical structure of the leaves.
Leaves have a layer of hairs on the surface, a high density of tissues, and a thick cuticle. The constriction of the stomata also affects the regulation of the plant's water economy.
Cornflower
It can reach a height of 30 to 90 cm (12 to 35.5 in).
The leaves are 1 to 4 cm (0.4 to 1.6 in) long and the inflorescences are 1.5 to 3 cm (0.6 to 1.2 in) in diameter.
Broad beans
Some drugs used to treat Parkinson's disease are made from broad beans because they are a natural source of levodopa (the biologically active form of dopamine).
Rowan
Common mountain ash, commonly known as rowan, is a plant belonging to the rose family.
The rose family includes 4828 species divided into 91 genera. There are five subspecies of rowan.
Chestnuts
Chestnuts come from temperate regions of the Northern Hemisphere.
They occur in forests, often in mountainous areas and mountain valleys, where they sometimes play th ...
Stinging nettle
For medicinal purposes, nettle leaves are harvested before flowering, roots are dug up in fall or early spring, and the whole plant is used.
Juice squeezed from fresh nettle stalks is also often used, and folk medicine recommends drinking it daily to strengthen during spring fatigue.
Poinsettia
Are poinsettia poisonous to humans? Not much, it may cause nausea, diarrhea, or vomiting if consumed.
External exposure to the plant may result in a skin rash. It may also cause itchiness, redness, or s ...
Poinsettia
The distinctive feature of this flower is the colorful bracts  (red, pink, yellow, cream, etc.).
The bracts are arranged in a characteristic star shape. The actual flowers are small and inconspicuous, hidden among the bracts.
Mandarines
There are wide varieties of crossbreeds with other citrus fruits.
Depending on the variety, the mandarin can grow as a shrub or a tree, reaching up to 8 meters.
Poison ivy
Urushiol does not only adhere to the skin.
It may also stick to clothing, shoes, and anything rubbed against the plant and remain harmful to humans for many days after.