Carnivorous plants

Speaking of carnivorous plants we refer to those particular and curious plants that capture and eat mainly insects in order to have all the nutrients necessary for their development. Carnivorous plants are widespread all over the world, it is estimated that there are more than six hundred species. These plants are native to places such as swamps, rocks, very acid soil and poor in nutrients and above all nitrogen, the characteristic of feeding on insects is therefore an almost mandatory adaptation put into practice by these plant beings in order to survive. In Italy the most common species are Utricularia Vulgaris and Helicodiceros Muscivorus, present in Sardinia. The carnivorous plants they have learned to digest the animal proteins that they obtain from insects almost always captured by the more or less modified leaves; these plants have small roots, ... continue

Articles on: carnivorous plants

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continue ..., in most of the species they are perennial but there are also annuals, some have a cycle of a few years while others more lasting. We said earlier that the carnivorous plants they capture insects, specifically they have five different types of traps, such as: ascidium, in this case the insects are captured inside a jug-shaped leaf; adhesive, here the prey is trapped by a substance similar to the glue produced by the leaves; snap, with a very rapid movement the leaf captures the animal inside; by aspiration, as the name itself implies, the insect is sucked in; with a keepnet, the plant captures its prey through hairs and leads it to the organ suitable for digestion. Each type of trap has specialized in catching a certain type of prey.

It is very difficult to reconstruct the evolution of carnivorous plants, to date very few fossils have been found as this type of plant is herbaceous and does not have bark or wood that are easy to fossilize; regarding this topic it can be said that every trap is a transformation, or rather, an evolution of a basic structure.

Being a carnivorous plant is not easy and involves a high expenditure of energy, so much so that even these plants in case of low light or nutrients available in a simpler way, prefer not to capture the prey through their traps; they put into practice their characteristic carnivorousness only in some periods and in the presence of particular preys.

It is good to point out that a carnivorous plant that does not trap and catch prey will not come to death but its development will be much slower.

Video: Caring for Carnivorous Plants Plant One On Me Ep 070

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