DEFINITIONS AND KEY POINTS FOR NOMENCLATURE

Nomenclature

The assignment of a distinctive name to each species is called nomenclature.

Authority

The person who first describes a new species and gives it a name becomes the authority for that specie.

Holotype

The original type specimen of a species which has been indicated by the author is known as holotype.

Lectotype

Sometimes, original author has not indicated

any specific plant as the type specimen. Then
a competent person selects a plant from the material originally studied by the author of that species. This selected type specimen is known as
lectotype.


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Neotype

Sometime. the original material studied by the author is missing. Then a competent research worker selects a specimen as type specimen. This specimen is known as the neotype.

Paratypes

The specimens which have been referred by the author as similar to the type specimen are known as paratypes.

Syntypes

Sometimes, more than one specimens have

been designated by the author as type

specimens. NOV% one of those specimens becomes the holotype while other ones are kntmn as the syntypes.

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