DIVISION II. RULES AND RECOMMENDATIONS
CHAPTER III. NOMENCLATURE OF TAXA ACCORDING
TO THEIR RANK
SECTION 5. NAMES OF TAXA BELOW THE RANK OF
SPECIES
(INFRASPECIFIC TAXA)
Article 27
27.1. The final epithet in the
name of an infraspecific taxon may not repeat unchanged the epithet of
the correct name of the species to which the taxon is assigned unless
the two names have the same type.
27.2. The final epithet in the
name of an infraspecific taxon may not repeat unchanged the epithet of
the species name if that species name is
illegitimate.
Ex. 1. When Honda (in Bot. Mag. (Tokyo) 41: 385. 1927)
published
Agropyron japonicum var.
hackelianum Honda under the illegitimate
A. japonicum Honda (1927), which is a later homonym of
A. japonicum (Miq.) P.
Candargy (1901), he did not validly publish an autonym "
A. japonicum var.
japonicum"
(see also
Art. 55 Ex. 2).
(c)
2006, by International Association for Plant Taxonomy. This page last updated
13.03.2007
.
