Login

 i want to know the notes on  TRINOMAIL NOMENCLATURE ???? last time i had asked about this bt i got the ans of BIONOMIAL NOMENCLATURE so plzz these time i want my exact ans of the question

In biology, trinomial nomenclature is used to name subspecies. It is proposed by Huxley and Stricklandt. Trinomial nomenclature refers to "three-part description" that is each name has three parts.

  • The first part is the genus name,
  • The second part is the species name
  • The third part is the subspecies name.

In Trinomial Nomenclature, the subspecies is of a lower category than the species. When members of any species have large variations then trinomial system is used.

 

Example: 

 

In Animals:

 

The species of crow is named as Corvus splendora – Indian Crow.  It has three subspecies named as follows.

 

  • Corvus splendens insolens - It is a Myanmar Crow.
  • Corves spelendens protegatus  - It is a Srilanka Crow.

 

In Plants:

 

  • Brassica oleracea var. botrytis  - Cauliflower
  • Brassica oleracea var. capitata  - Cabbage
  • Brassica oleracea var. caulorapa  - Knol-Khol

  • 12
View Full Answer

In biology, trinomial nomenclature refers to names for taxa below the rank of species. These names have three parts. The usage is different in zoology and botany.

In zoology

For animals, scientific names are governed by the International Code of Zoological Nomenclature. Only one rank is allowed below the rank of species: subspecies

In botany

For algae, fungi, plants, and their fossils, there is an indeterminate number of infraspecific ranks allowed below the level of species. The secondary ranks below the species rank are variety and forma, and more ranks can be made by using the prefix "sub" to make subspecies, subvariety, subforma. Very rarely even more forms are created, such as supersubspecies. Not all of these ranks need to be specified, for example, some authors prefer to divide plant species into subspecies, while others prefer to use varieties.

  • 1
What are you looking for?