Persicum
Persicum is a Latin adjective meaning “Persian” or “of Persia.” In scientific naming, it is used in Latinized terms to indicate an association with Persia or Persian characteristics. Because Latin adjectives agree with the gender of the noun they modify, persicum is neuter, persicus is masculine, and persica is feminine. In botanical nomenclature, persica is the well-known feminine form used in Prunus persica, the peach; persicum, when encountered, appears in genera with neuter grammatical gender, though such occurrences are relatively uncommon.
In practice, persicum and its variants are part of the broader system of Latinization used to annotate
Outside taxonomy, persicum can appear in historical or linguistic discussions as the Latin-based descriptor for things
Overall, persicum is best understood as a Latin descriptive term used in scientific naming to signal Persian