Plants

Thursday, 28 May 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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Trees
The earliest trees were tree ferns, horsetails, and lycophytes that grew in forests during the Carboniferous Period.
The first tree may have been Wattieza (a close relative of modern ferns and horsetails), whose Middl ...
Sycamore maple tree
The English Sycamore Gap Tree also called the Robin Hood Tree, is a popular photo subject, one of the most photographed trees in England.
It grows next to the former defensive fortifications of the Roman province of Britannia (Hadrian's W ...
Lemon
Color
Most obvious distinctive feature is their color. Lemons are usually bright yellow, while limes are usually a bright shade of green. However, some types of limes turn yellow when they ripen.
Tomatoes
Tomatoes contain significant amounts of vitamins A, E and K, B vitamins and potassium.
One medium-sized tomato covers the 30% of daily requirement for vitamin C. They also contain beta-carotene and lutein(belonging to the carotenoids), as well as phenolic compounds.
Citron
Citron was known and widely cultivated in the Holy Land during the Second Temple period (516 B.C.-70 A.D.).
It was called etrog and was used by Jews during the week-long festival of Sukkot as one of four spec ...
Poison ivy
Urushiol is an organic compound that causes an allergic reaction in most people.
It is produced not only by poison ivy but also by poison oak, poison sumac, or the Chinese lacquer t ...
Garlic
Garlic comes from Central Asia.
Its original form was a wild variety of Allium longicuspis, which today can be found in China and Korea.
Mandarines
The energy value of mandarine is 53 kcal per 100g.
It consists of 85.6% water, 13.3% carbohydrates, 0.8% protein, and 0.3% fat.
Aloe vera
Aloe vera was among the most favored substances used by Cleopatra.
She used its gel in her daily beauty routine to soften her skin.
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).