polytypic


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polytypic

[¦päl·i¦tip·ik]
(systematics)
A taxon that contains two or more taxa in the immediately subordinate category.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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.
Furthermore, in situ hybridization for kappa and lambda light chain mRNA confirmed that these plasma cells were polytypic (see Figure 3).
Histopathologic exam of the lesions in each case showed a moderately dense dermal polytypic plasma cell infiltrate [3].
A second examination in another laboratory by an expert led to the conclusion that it was a follicular hyperplasia with an atrophic germinal center, with polytypic plasma cells in the interfollicular area; these results suggested that it might be a plasma cell variant of Castleman disease.
In situ hybridization and immunostaining for immunoglobulin heavy and light chains appeared polytypic and was difficult to interpret.
Kappa and lambda in situ hybridization labeled the plasma cell population with a polytypic pattern including slight kappa predominance (normal finding) (Figures 3(e) and 3(f)).
Whether the Cannabis genus (family Cannabaceae) consists of one polytypic speciesor multiple monotypic species is still a matter of scientific and chemotaxonomic debate.
The hamster is a polytypic species and the range covered in our study is believed to be occupied by seven distinct subspecies (Berdyugin & Bolshakov 1998).
The barred tiger salamander [Ambystoma mavortium (Baird, 1850)] is a polytypic species with multiple distinct morphologies, making it popular for studies of phenotypic plasticity and evolution.
A new subspecies of the polytypic lizard Sceloporus undulatus (Sauria: Iguanidae) from northern Mexico.
Specific topics include the effect of wetting-drying cycles on the behavior of hydrophilic additives in mineral wool, a preliminary study of basalt fibers as a sustainable reinforcement for cement-based mortars, the ultrasonic monitoring of a bending test of glass-fiber-reinforced cement, press and injection hybrid molding of thermoplastics reinforced with glass fiber, polytypic heterjunctions for wide bandgap semiconductor materials, and the simultaneous effect of surface roughness and passivity on the corrosion resistance of metals.