Orthographical variant (botany)
Encyclopedia
In botanical nomenclature
Botanical nomenclature
Botanical nomenclature is the formal, scientific naming of plants. It is related to, but distinct from taxonomy. Plant taxonomy is concerned with grouping and classifying plants; botanical nomenclature then provides names for the results of this process. The starting point for modern botanical...

, an orthographical variant (abbreviated orth. var.) is a variant spelling of the same name. For example, Hieronima and Hyeronima are orthographical variants of Hieronyma
Hieronyma
Hieronyma is a genus belonging to the plant family Phyllanthaceae. This family was formerly united with spurges, crotons, copperleaves, etc , but have turned out to be well distinct....

. One of the spellings is to be treated as the correct one.

Priority starts with this date of publication, if not otherwise regulated. In the above case, the spelling of Hieronyma has been conserved and is to be used.

An inadvertent use of one of the other spellings has no consequences: the name is to be treated as if it were correctly spelled. Any subsequent use is to be corrected.

Orthographical variants are treated in Art 61 of the ICBN.

In zoology
Zoology
Zoology |zoölogy]]), is the branch of biology that relates to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct...

, orthographical variants in the formal sense do not exist; mis-spellings are treated as lapsus
Lapsus
A lapsus is an involuntary mistake made while writing or speaking. According to Freud's early psychoanalytic theory, a lapsus represents a missed deed that hides an unconscious desire....

or other form of inadvertent error. Apart from the first reviser being able to choose one variant for mandatory further use, they generally have no further formal standing. Inadvertent mis-spellings are treated in Art. 32-33 of the ICZN
International Code of Zoological Nomenclature
The International Code of Zoological Nomenclature is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals...

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