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69 The naming of organisms (and plant communities)
ephemeral: of publications, ones not intended for future reference, such as
newspapers and advertisements which ordinarily become obsolete
soon after they are issued.
ephemerotype: (zool., unoff.) a type specimen that disintegrates
completely after only a day and must be replaced by a
neoephemerotype (q.v.) on a daily basis (!).
epithet: (bot., prok.) the final word in a binary combination and a word
following the connecting term denoting rank in other combinations;
denotes an individual taxonomic unit; equivalent to specific name in
(zool.); see also collective epithet, cultivar epithet, equivalent
epithet, final epither, specific epithet.
epitheta hybrida: (1) (obsol.) of specific epithets, ones made up of parts of
words from two different languages; see also compound. (2) (cult.
pl.) the names of nothotaxa.
epitheta specifica conservanda: (prok.) conserved specific epithets.
epitheta specifica rejicienda: (prok.) rejected specific epithets.
epitype: (1) (bot.) a specimen or illustration selected to serve as an
interpretative type when the holotype, lectotype, or a previously
designated neotype, or all original material associated with a validly
published name cannot be identified for the purpose of precise
application of the name of a taxon; see also hypotype,
interpretotype, pragmatype, protype, teleotype. (2) (bio.) a type
designated to fix the application of a name the type of which is
demonstrably ambiguous or cannot be critically identified for the
purposes of the precise application of the name of a taxon.
eponym: a name or epithet based on that of a person (e.g. smithii after Sir
J.E. Smith).
equals sign, [=]: often used to indicate heterotypic synonyms, i.e.
subjective synonyms (zool.) or (bot.) taxonomic synonyms; cfr
congruence sign.
equivalent epithet: (cult. pl.) one that is a permitted translation,
transliteration, or transcription of an existing epithet or one that is
taken to be identical even though there may be minor differences