Why flowers smell

Why flowers smell

The reasons that all types of flowers have certain smells, are studied for many decades. The versions explaining such effect exists a little. The most popular belief is influence of aroma on attraction of the insects taking active part in pollination of flowers.

Reasons of a smell of flowers

High content of essential oils in petals is the main cause of any given aroma at a flower. A set of elements differs depending on a kind of a plant therefore the smell of different flowers differs from each other. Under the influence of air temperature or thanks to moistening of petals, essential oils begin evaporation process. Thanks to such process the characteristic aroma appears.

Parts of essential oils throughout a long time are turned around a plant. For this reason the people inclined to allergic reactions try to avoid close contact with flowers. Otherwise the smallest droplets of the evaporating substances get into airways and become the reason of emergence of tears, cold or even suffocation.

Essential oils contain not only in petals, but also in leaves, escapes and even bark of trees. As a result of interaction of the available components, different smells turn out.

Influences of smells of flowers

People divide smells of flowers into several categories - pleasant and unpleasant, sweet and tart. Some plants enjoy wide popularity as a gift exactly thanks to the aroma. Function of a smell consists absolutely in another. A main goal of aroma for a flower is drawing attention of insects. On statistical data, the majority of the blossoming plants is pollinated exactly thanks to winged assistants. Only their small number is capable samoopylyatsya or to transfer the pollen by air. Essential oils become not only the reasons of smells, but also play a role of reliable protection of a flower. The fact is that their particles throughout a long time remain around a bud in the form of a thin veil which prevents excessive overheating or overcooling of petals. Volatile oils represent difficult chemical compounds with different structure and properties.

Features of a smell of flowers

The smell of some flowers changes within a day. There are plants which, for example, differ in especially saturated aroma day only at night. It is caused by a way of life of insects, necessary for pollination. Some flowers have absolutely not attractive aroma. However for separate category of insects it is the most effective indicator, and they take an unpleasant smell for products from the main diet.

Author: «MirrorInfo» Dream Team


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