Ferns are one of the oldest higher plants that appeared about 400 million years ago in the Devonian period of the Paleozoic era. Giant tree ferns in many ways determined the appearance of the planet in the days of the dinosaurs.
It is the largest group of spore plants, with about 300 genera and more than 10, 000 species.
Tasmania is called the island of ferns. The island is mostly covered with evergreen forests, which are dominated by fern plant species, which makes the nature resemble prehistoric.
Japanese researchers have found that the fern removes radiation from the body.
The fern has no leaves, and what we call leaves are actually branches with pre-shoots, which served as a prototype for future leaves in plants.
Some ferns are parasitic plants, they shoot their shoots along the trunk of trees, forming a kind of lianas.
In Slavic and Baltic mythology, a fern blooms at night at the bathing place, and whoever finds a fern flower will be able to fulfill any of his wishes. They actually reproduce by tiny spores that develop on the back of the leaves. Once on the soil, spores give rise to new plants.
The black tree fern growing in New Zealand reaches more than 20 meters in height and has a girth of about 50 centimeters.
In the second half of the 19th century, a fashion for ferns began in Europe, and even the term “pteridomania” appeared. Since then, the plant has firmly entered the interior of gardens and has become an element of landscape design.
The trunks of tree ferns serve as a building material in the tropics, and in Hawaii, their starchy core is used for food.
Some fern species are poisonous. The most toxic are representatives of the genus Shytovnik, of which, by the way, anthelmintics are made.