110. Importance of botanical gardens
Just like a museum, a botanical garden is a place where an assemblage of plants is displayed to the public openly. This assemblage can be in the form of medieval, medicinal, ornamental or scientific gardens.Mainly, ancient botanical garden served medical importance by providing medical and pharmaceutical students the plants to be used in their profession. These gardens were also open to researchers for research. Later, the botanical gardens broke away from their medicinal importance and went to the study of plants itself, Botany. Thus allowing students to learn about the plant world and helping researchers for their research.Currently, the trend towards the democratization of culture tends more and more to make these gardens available to the public who can get started in the plant world.

Botanical gardens are similar in structure to parks, allowing people to walk, breathe fresher air, relax, etc. this is thus a recreational function of botanical gardens. Though unlike city parks, these gardens may contain non native plants which can be toxic and aggressive, and also plants of importance. Thus people should be warned about the toxicity and also informed about the rare plants that need to be respected.Mainly, botanical gardens allow people to see plants and observe the plant world, also being informative about different uses of the plants and know about them. This is a cultural function. So we can see the names of plants, both the scientific name and the name in local languages and also learn about their uses, which can be ornamental, medicinal, nutritional, technical or scientific. While the ornamental nature of the plants is immediately visible, other interests must be described to the public. In general it does so by means of the labels, but it can also publish a descriptive brochure or even through AV or slideshows.A character which must importantly be indicated on the spot is the possible toxicity. This information concerns the non-native plants, which the people see here exclusively, but also the native plants, about which people are unknown and unaware.Botanical garden has historically addressed university students as part of its educational function. This function is currently extended to schoolchildren who come to follow guided tours as part of the teaching of biology. The garden is thus a privileged place for the initiation to the nature. Although artificial, this “nature” has the advantage of being close and documented which simplifies the work of the master.The botanical garden by the simple presence of plants gives the public an idea of ??the immense diversity of the plant world and also the large amount of plants that can be grown in the region. It is therefore a sort of showcase or even advertising for nursery and horticulturists.It also allows researchers and scientists to find reference plants and materials for their research. This scientific role is constant since the creation of the first botanical gardenWith regard to rare or threatened plants, their presence in the botanical garden allows the public to know and respect them. The temptation is great to use the botanical garden as a conservatory where endangered plants would be cultivated to save them. However, it must be known that a plant is an organism in equilibrium with a medium. She remains only in this environment. In culture it is modified, slowly by mutation and adaptation to the artificial environment or very quickly by hybridization with neighboring species. The conservation of plants in a botanical garden can therefore only be a one-off action and of short duration.In conclusion, a botanical garden is a living museum whose function is to visualize for the public the beauty, the richness and the diversity of the plant world. It must also, through the message it delivers, educate the public respect for our environment whose plants are the most important element by their photosynthesis, but also the most ornamental.

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