Plants

Tuesday, 6 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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Dragon blood tree
For people interested in magic and alchemy, the dragon blood tree resin is, in fact, the blood of a dragon, and is used in various mystical rituals.
For instance, it is popularly used as incense.
Dragon blood tree
The resin is also used in the production of varnish.
It was commonly used by 18th-century violin-makers in Italy.
Sweet potato
They are a valuable source of vitamins and micronutrients.
They contain vitamin C, B vitamins (B1, B2, B6), vitamin E, K, calcium, iron, and potassium.
Dragon blood tree
They reach an average height of 9,5 meters.
Their growth rate is very slow, about 1 meter every ten years.
Avocado
The avocado belongs to the Lauraceae family.
It is a flowering plant family that includes true laurel – an aromatic evergreen tree.
Sycamore maple tree
The leaves are arranged opposite, and placed on very long petioles, 10 to 20 cm (3,93 - 7,87 in).
The petioles do not secrete milky sap, as is the case with the common maple. The leaves do not devel ...
Dragon blood tree
It blooms in February, producing small fruits and berries.
Jerusalem artichoke
French explorer Marc Lescarbot described Jerusalem artichoke as "as big as a turnip or truffle," fit to eat and tasting "like chard, but more pleasant."
In 1629, English herbalist and botanist John Parkinson wrote that widely grown Jerusalem artichoke h ...
Jerusalem artichoke
The proper name of topinambur is Jerusalem artichoke (Helianthus tuberosus).
It is a species of plant belonging to the aster family (Asteraceae). The Asteraceae are one of the m ...
Trees
Some trees, such as alder (genus Alnus), have a symbiotic relationship with a filamentous bacterium of the genus Frankia that can fix nitrogen from the air and convert it to ammonia.
These bacteria live in the root papillae. This allows these trees to live in low nitrogen environments.