In
botany
Botany, also called plant science (or plant sciences), plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "bot ...
, a section ( la, sectio) is a
taxonomic rank below the
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
, but above the
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
.
The
subgenus, if present, is higher than the section, and the rank of
series, if present, is below the section. Sections may in turn be divided into subsections.
[Article 4 in ]
Sections are typically used to help organise very large genera, which may have hundreds of species.
A botanist wanting to distinguish groups of species may prefer to create a taxon at the rank of section or series to avoid making
new combinations, i.e. many new
binomial names for the species involved.
Examples:
* ''
Lilium'' sectio ''Martagon''
Rchb. are the Turks' cap lilies
* ''
Plagiochila aerea''
Taylor is the
type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...
of ''Plagiochila'' sect. ''Bursatae''
See also
*
Section (biology)
References
Section
Plant taxonomy
Fungus sections
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