Access Resource - Global Biodiversity Information Facility
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123 The naming of organisms (and plant communities)<br />
morphovar: (prok.) an infrasubspecific variant of a species distinguished<br />
by the presence of some morphological character(s); a morphotype<br />
(q.v.).<br />
MS, msc, MScr., Mscr., MSS: see manuscript.<br />
multiconvar: (cult. pl., unoff.) proposed as a rank of cultivated plants<br />
equivalent to variety (not cultivar).<br />
multigeneric: (bot., cult. pl.) of hybrids resulting from the sexual crossings<br />
of individuals assigned to three or more different genera.<br />
multiline: (cult. pl.) in plant breeding, a term used to describe a cultivar<br />
that is made up of several closely related lines.<br />
multinomen: a multinomial name; a name composed of several words; a<br />
polynomial (q.v.).<br />
multinominal: having many names; see nominal, polynomial.<br />
multiple authorship: of a name proposed by more than one person; see et<br />
al.<br />
multiple original spellings: (zool.) two or more different original spellings<br />
for the same name.<br />
multiplication sign, [x]: (1) (bio., bot., cult. pl., phyl.) in nomenclature, the<br />
ideograph used to indicate the hybrid nature of a taxon in a<br />
condensed formula (q.v.) or a hybrid formula (q.v.); in a condensed<br />
formula, now (bio., bot, cult. pl.) placed in front of and directly<br />
against the name (with no space between the sign and the scientific<br />
name) where the sign is available for printing (e.g. xAgropogon,<br />
Melampsora xcolumbiana) but formerly often used with a separating<br />
space; in a hybrid formula (bio., bot., cult. pl.) placed between the<br />
names of the taxa (e.g. Mentha aquatic x M. spicata); see condensed<br />
formula. (2) (zool., unoff.) used in a similar way to (1 [above]) to<br />
link the names of the parent taxa (e.g. Capra hircus x Ovis aries)<br />
and sometimes with the sex of each parent also indicated by an<br />
ideograph (e.g. Capra hircus ♂ x Ovis aries ♀). (3) (prok.) when<br />
placed before the citation of the name of an author and in<br />
parentheses, indicates that the name was used by that author before<br />
1 January 1980 but the name was not included in the Approved List
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