and of cultivated plants are regulated by different codes of nomenclature and are formed somewhat differently.

Construction of infraspecific names

Article 24 of the ICN describes how infraspecific names are constructed. The order of the three parts of an infraspecific name is:
:genus name, specific epithet, connecting term indicating the rank (not part of the name, but required), infraspecific epithet.It is customary to italicize all three parts of such a name, but not the connecting term. For example:
* Acanthocalycium

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