polytypic


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polytypic

[¦päl·i¦tip·ik]
(systematics)
A taxon that contains two or more taxa in the immediately subordinate category.
References in periodicals archive ?
ruderalis during the Lysenko era, and judicial concerns in the 1970s skewed concepts of Cannabis as a monospecific versus polytypic genus.
We examined how effective these regions were for a complex flora with many polytypic genera.
Taxonomic re-evaluation of the Taiwanese montane earthworm Amynthas wulinensis Tsai, Shen and Tsai, 2001 (Oligochaeta: Megascolecidae): polytypic species or species complex?
It is a polytypic species with a wide variety of adaptations to different environments.
The reasons for the above include: 1) most of the living canid genera are monotypic, 2) the monophyletic status of the polytypic genera Pseudalopex Burmeister 1856 and Vulpes Frisch 1775 have been confirmed by mtDNA and nuclear genes analyses (Geffen et al.
Modelling of special semiconductor structures--silicon carbide (SiC) polytypic heterojunctions--is discussed in the third paper by Toomas Rang et al.
Phylogeography of the greenside darter complex, Etheostoma hlennioides (Teleostomi: Percidae): A wide-ranging polytypic taxon.
Mitochondrial DNA phylogeography of the polytypic North American rat snake (Elaphe obsoleta): A critique of the subspecies concept.
1984, John & King 1985, Camacho & Cabrero 1987) and some species show extensive and amazing variation for heterochromatic segments and bands, both in polymorphic and polytypic forms (John & King 1977, 1982, John et al.
All four polytypic member genera were recovered as monophyletic groups with bootstrap values greater than 90%.
Micas occur in various polymorphs and polytypic forms *, that are designated by Ramsdell indicative symbols.