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Related to Polyphyly: monophyletic


1. Of or relating to a group of taxa that does not include the common ancestor of all the members.
2. Of or derived from more than one stock or source.

pol′y·phy·let′i·cal·ly adv.
pol′y·phy′ly (pŏl′ē-fī′lē, pə-lĭf′ə-lē) n.


(Biology) biology relating to or characterized by descent from more than one ancestral group of animals or plants
[C19: from poly- + phyletic]
ˌpolyphyˈletically adv


(ˌpɒl i faɪˈlɛt ɪk)

descended from more than one ancestral line.
pol`y•phy•let′i•cal•ly, adv.
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References in periodicals archive ?
A molecular phylogenetic study using sequences of three cpDNA loci revealed the polyphyly of Thelypteridaceae.
Paraphyly and polyphyly in Polyscias sensu lato: molecular evidence and the case for recircumscribing the "pinnate genera" of Araliaceae.
Detailed molecular studies indicated polyphyly of this group with respect to distinct lineages of Arremon and the related genus Lysurus (Florez-Rodriguez et al.
Funk, "Species Level Paraphyly and Polyphyly," Annual Reviews in Ecology, Evolution and Systematics 34 (2003): 397-423; Christopher E.
A phylogeny of the Lampropeltis mexicana complex (Serpentes: Colubridae) based on mitochondrial DNA sequences suggests evidence for species-level polyphyly within Lampropeltis.
Polyphyly of mycoheterotrophic orchids and functional influences on floral and molecular characters.
Molecular phylogeny of the major arthropod groups indicates polyphyly of crustaceans and a new hypothesis for the origin of hexapods.
Phylogeny of North American amblemines (Bivalvia, Unionoida): prodigious polyphyly proves pervasive across genera.
Internal transcribed spacer (ITS) sequence data were used to evaluate the suspected polyphyly of the genera Clidemia D.
1992) do not support rodent polyphyly and contribute to the argument that the MP method can be misleading due to unequal evolutionary rates in different taxa.