Content
- The fern and its composition
- Basement: The roots
- 1st floor: The stem axis or the trunk
- 2nd floor: The fronds
- Ferns have neither flowers nor fruits or seeds
- Tips & Tricks
Ferns multiply via spores and never carry flowers
The fern and its composition
Since time immemorial ferns are common on this planet. Especially in the tropics and there in the rainforest you can find them at every turn. But what are the characteristics of ferns? How are these plants constructed from bottom to top?
Basement: The roots
Mostly below the earth's surface, the fern forms a rhizome. The fine roots are on it. Some species of fern, such as the funnel fern, can also produce several meter-long extensions. With them these plants like to spread uncontrollably.
1st floor: The stem axis or the trunk
Just above the ground, these herbaceous perennials form a stem axis or stems. These are equipped with a sophisticated water supply system. There are fine tubes that transport the water from the roots to the leaves. The exception is the tree fern. He has no shoot axis, but a woody trunk.
2nd floor: The fronds
The next level is the chlorophyll-rich foliage. The different species of ferns and ferns allow numerous forms and colors of the foliage. Whether green, red or silvery-gray, simply pinnate, twofold feathered or multi-feathered - the richness of facets is great.
The leaves, which are called ferns in the fern, are composed of a leaf blade and a petiole. As a rule, the palm-frond-like slopes down arcuately. In the shoot they are interesting rolled up. They can be deciduous, wintergreen or evergreen.
Ferns have neither flowers nor fruits or seeds
Other characteristic features of ferns are the following:
Tips & Tricks
Even if ferns do not produce fruits or seeds. They spread with the help of their spurs impetuously and do not care about losses. Rethink well before, if you really want to plant a fern.