Sébastien Vaillant
Encyclopedia
Sébastien Vaillant was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 botanist.

Vaillant was born at Vigny
Vigny
Vigny may refer to the following places in France:* Vigny, Moselle, a commune in the Moselle department* Vigny, Val-d'Oise, a commune in the Val-d'Oise departmentVigny may refer to the following people:* Alfred de Vigny...

, Val d'Oise. He studied medicine
Medicine
Medicine is the science and art of healing. It encompasses a variety of health care practices evolved to maintain and restore health by the prevention and treatment of illness....

 at Pontoise, and then moved to Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 to practice as a surgeon, where he studied botany at the Jardin des Plantes
Jardin des Plantes
The Jardin des Plantes is the main botanical garden in France. It is one of seven departments of the Muséum national d'histoire naturelle. It is situated in the 5ème arrondissement, Paris, on the left bank of the river Seine and covers 28 hectares .- Garden plan :The grounds of the Jardin des...

 under Joseph Pitton de Tournefort
Joseph Pitton de Tournefort
Joseph Pitton de Tournefort was a French botanist, notable as the first to make a clear definition of the concept of genus for plants.- Biography :...

.

Vaillant was appointed to the staff of the Jardin des Plantes
Jardin des Plantes
The Jardin des Plantes is the main botanical garden in France. It is one of seven departments of the Muséum national d'histoire naturelle. It is situated in the 5ème arrondissement, Paris, on the left bank of the river Seine and covers 28 hectares .- Garden plan :The grounds of the Jardin des...

 in 1702, becoming sub-demonstrator of plants in 1708. In his inaugural lecture, Vaillant discusses the reproduction of plants and floral organ function by making analogies with animal reproduction.

Fagon obtained permission from Louis XIV to build a drug cabinet in the Jardin du Roi, Charge the load and provide care.

In 1714, he obtained permission to build a greenhouse to cultivate succulents, and a second in 1717. It was he who introduced into France the use of greenhouses.

In 1716, Vail entered the Academy of Sciences.

He became ill and too poor to publish his 'Botanicon parisiensis' (alphabetically or Enumeration of plants that grow in and around Paris) illustrated by Claude Aubriet, a fruit of 36 years of work; he left his work at Herman Boerhaave (1668–1738) . This engraved illustrations and published in 1727. It is a work of particular importance in the history of botany and one of the first to describe the flora known. Vaillant introduces the terms of stamen, ovary and egg in their current direction.

All his life, Vaillant opposed to theses Tournefort; for this he was dedicated, however, a genus Valantia, as Carl von Linné (1707–1778) later changed in Vaillantia (family Rubiaceae). His herbarium is now kept at the National Museum of Natural History.

The standard botanical author abbreviation Vaill. is applied to species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 he described.
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