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46 Terms used in Bionomenclature
asexually propagated specimen from a part of a nomenclatural type.
(3) (zool., unoff.) the phenotype or homogenous product of cloning.
Code: an abbreviation for the most recent edition of any one of the
international codes of nomenclature, unless otherwise specified;
often placed in italic type as a form of short-hand for the full name
of the relevant code.
code-name: (1) (cult. pl.) an epithet without evident meaning that is made
up of a sequence of connected letters and/or numerals. (2) (cult. pl.,
obsol.) a legally protected variety denomination (q.v.).
Code of Phytosociologial Nomenclature: see International Code of
Phytosociological Nomenclature.
co-extension: (cult. pl.) a situation when all plants represented by one name
are also represented by another name; i.e. where two or more named
taxa contain the same members and no others.
coenon: (phyt., obsol.) a syntaxon rank, not accepted in the Code.
coenospecies: (bot., obsol.) species having a common origin so far as
morphological, cytological, or experimental facts indicate such an
origin.
coenotype: (1) (phyt., obsol.) a plant community of constant composition,
but without faithful or differential species. (2) (bot., not
nomenclatural, obsol.) formerly used for morphologically distinct
categories of pollen.
cognomen: (unoff.) a nickname or other shorthand method, including
numbers or not, used to label material of uncertain identity with
which a taxonomist is working, see also informal name, interim
name, provisional name, taxon label.
cohort, [cohors]: (1) (obsol.) used by some nineteenth century authors as a
term for a rank in the taxonomic hierarchy, between class and order.
(2) (bot., obsol.) taken as an equivalent to the rank of “order”; see
order. (3) (not nomenclatural) a group of individuals of the same age
recruited into a population at the same time; i.e. an age class.
coll.: see collector.