| 词条 | Trinomial nomenclature |
| 释义 |
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{{main article|trinomen}}For animals, scientific names are governed by the International Code of Zoological Nomenclature. Only one rank is allowed below the rank of species: subspecies. For example, Buteo jamaicensis borealis is one of the subspecies of the red-tailed hawk species, Buteo jamaicensis. In botany{{main article|infraspecific name (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] These ranks are components of a biological classification, for example Corylopsis sinensis var. calvescens f. veitchiana is an ornamental garden plant.[2] However, a name is not the same as a classification, and the name of this plant is a trinomial with only three parts,[3] the two parts of the species name Corylopsis sinensis, plus the forma epithet veitchiana, to give Corylopsis sinensis f. veitchiana. See also
References1. ^{{cite journal|author1=Hamilton, C.W. |author2=Reichard, S.H. |year=1992|title=Current practice in the use of subspecies, variety, and forma in the classification of wild plants|journal=Taxon|volume=41|issue=3|pages=485–498|jstor=1222819|doi=10.2307/1222819}} {{DEFAULTSORT:Trinomial Nomenclature}}2. ^{{cite web|url=http://apps.rhs.org.uk/plantselector/plant?plantid=2535|title=Royal Horticultural Society Plant Selector}} 3. ^{{cite book |author1=McNeill, J. |author2=Barrie, F.R. |author3=Buck, W.R. |author4=Demoulin, V. |author5=Greuter, W. |author6=Hawksworth, D.L. |author7=Herendeen, P.S. |author8=Knapp, S. |author9=Marhold, K. |author10=Prado, J. |author11=Prud'homme Van Reine, W.F. |author12=Smith, G.F. |author13=Wiersema, J.H. |author14=Turland, N.J. |year=2012 |volume=Regnum Vegetabile 154 |title=International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011 |publisher=A.R.G. Gantner Verlag KG |isbn=978-3-87429-425-6 |url=http://www.iapt-taxon.org/nomen/main.php?page=title }} article 24.1 1 : Biological nomenclature |
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