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In botanical nomenclature, the ICBN prescribes a two-part name or binary name for any taxon below the rank of genus down to, and including the rank of species. Taxa below the rank of species (infraspecific taxa) get a three part name (ternary name). The ranks explicitly mentioned in the ICBN as having a binary name are: ---- A binary name consists of the name of a genus and an epithet. Bellis perennis is the name of a species, with perennis the specific epithet. There is no connecting term involved, to indicate the rank Paraserianthes sect. Falcataria
More than two parts Sometimes a subdivision of a genus may be indicated with a listing in three or more parts. However, this is not its formal name. Its botanical name is in two parts. See also | ||||||||
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