ostentativum

Ostentativum is a Latin adjective form used in biological nomenclature as a species epithet rather than as a standalone taxon. The term conveys the sense of “showy” or “ostentatious,” and it is typically chosen by taxonomists to highlight conspicuous or striking features of a species.

In taxonomic practice, ostentativum is not a genus or a universally recognized taxon. Instead, it appears as a specific epithet within binomial names across different genera. The form ostentativum is neuter singular; when paired with masculine or feminine genera, the epithet would usually take the corresponding masculine or feminine form (for example, ostentativus or ostentativa) to agree with the genus gender. Because the epithet is not tied to a single genus, species bearing the name ostentativum are not closely related by virtue of sharing the epithet.

Etymology and usage reflect descriptive naming conventions in taxonomy. Epithets like ostentativum are often chosen to draw attention to observable traits—such as bright coloration, large size, elaborate structures, or other conspicuous characteristics—though the exact rationale can vary by author.

Nomenclatural notes: The epithet must comply with the rules of the relevant codes (botanical or zoological), including being unique within its genus and being published with an accompanying description and type specimen. Care is taken to maintain stability and avoid homonymy across taxa.

See also: binomial nomenclature, Latin grammar in taxonomy, botanical nomenclature, zoological nomenclature.