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H.10.1. Names of nothotaxa at the rank of species or below must conform with the provisions
(a) in the body of the Code applicable to the same ranks (see Art. 40.1) and (b) in
Art. H.3. Infringements of Art. H.3.1. are treated as errors to be corrected (see also Art. 11.9).
H.10.2. Taxa previously published as species or infraspecific taxa which are later considered to be nothotaxa may be indicated as such, without change of rank, in conformity with Art. 3 and 4 and by the application of Art. 50 (which also operates in the reverse direction).
H.10.3. The following are considered to be formulae and not true epithets: designations consisting of the epithets of the names of the parents combined in unaltered form by a hyphen, or with only the termination of one epithet changed, or consisting of the specific epithet of the name of one parent combined with the generic name of the other (with or without change of termination).
H.10A.1. In forming epithets for names of nothotaxa at the rank of species and below, authors should avoid combining parts of the epithets of the names of the parents.
H.10B.1. When contemplating the publication of new names for hybrids between named infraspecific taxa, authors should carefully consider whether they are really needed, bearing in mind that formulae, though more cumbersome, are more informative.
(c) 2006, by International Association for Plant Taxonomy. This page last updated 19.03.2007 .