Science, asked by subhamol4224, 1 year ago

collect more information about plant classification from the internet prepare a talk of about 5 to 7 minutes on that topic and present it school during assembly

Answers

Answered by arinder
901
There are various ways classification of the plants . They can be classified on the basis of their habitat and water requirement for example the xenophytes found in dessert and dry environment mostly.
Also, most of the time plants classification is based on their class ,order and also on their family .
In order to classified them more specifically plants can also be classified in the basis of genus and species .
With in a specie there are many varieties as well as their cultivars available upon which they are classified each varieties have it's own unique qualities.

The plants are divided into two classes. Angiosperms are the plants which produce flowers. Gymnosperms are the plants which do not produce flowers. There are two sub-classes. Dicotyledons or dicots have two seed leaves. Monocotyledons or monocots have one seed leaf.
Next comes the superorder. It is a group of related plant families. They are classified in the order in which they have developed their differences from a common ancestor. Dicoyledons have six superorders and monocotyledons have four superorders. The names of superorder end in -idae.
After that comes the order. Each superorder is divided into a number of orders. The names of orders end in -ales.
Each order is further divided into families. This is the most commonly used classification. The plants which have similar botanical features are grouped into one family. Modern classification gives a type plant to each family. This plant has the particular characteristics which separate the group from other plants. The family is named after this plant.
The number of plant families differs according to the different classifications. Some botanists recognize 150 families, and classify the other similar plants as sub-families. Other botanists recognize 500 plant families. The names of families end in -aceae.
The family is further divided into sub-families. The plants which have some significant differences within a family are grouped together. The names of sub-families end in -oideae.
The plants within a family are further divided into tribes on the basis of smaller botanical differences. The names of tribes end in -eae.
A further division is made which is called sub-tribe. Mostly only the botanists can recognize these differences. The names of sub-tribes end in inae.
After that the plants are classified into genus. This refers to the normal name of the plant. It is easy to recognize the plants which belong to the same genus. The name of the genus has to be written with a capital letter.
Species is the level which defines an individual plant. Usually, the name describes some aspect of the plant like the colour of flowers, size and shape of the leaves. Or else it may be named on the basis of the place where it is found. The genus and species name refer to a particular plant. Species is sometimes further divided into sub-species. The names of the species is written after the genus name in small letters with no capital letter.
The plants are further classified into varieties. A variety refers to a plant which is slightly different from the species plant. It is abbreviated as var. The name follows the genus and species name. Var is written before the individual variety name.
The next division is form. It refers to a plant within a species which has minor botanical differences like colour of the flower or shape of the leaf. First the genus, then the species name is written. then form or f. is written before the individual variety name.
Finally comes the cultivar. It refers to the cultivated variety or a particular plant which has arisen naturally or through deliberate hybridisation and can reproduce more plants. First the genus and species name are written. Then the cultivar is written in the language of the person who described it. Single quotation marks are used or cv is written in front of the name.
In this way plants are classified into different groups on the basis of their characteristics.
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