Full TGIF Record # 174541
Item 1 of 1
Publication Type:
i
Refereed
Author(s):Olonova, Marina V.
Author Affiliation:Tomsk State University, Tomsk, Russia
Title:The challenge of a Siberian bluegrass (Poa) phylogeny
Source:Aliso: A Journal of Taxonomic and Evolutionary Botany. May 2010, p. 51-55.
Publishing Information:Claremont, CA: Rancho Santa Ana Botanic Garden
# of Pages:5
Keywords:TIC Keywords: Geographical distribution; Identification keys; Morphological evaluation; Poa; Regional variation; Taxonomic families; Vegetative propagation; Visual evaluation
Geographic Terms:Siberia
Abstract/Contents:"In Siberia, the bluegrass genus (Poa) comprises 43 species and 61 supspecies in 12 sections. Diverse modes of speciation, including polyploidy and hybridization, have led to reticulate evolution and adaptive radiation. Cladistic methods that ignore hybridization and reticulate evolution may not be appropriate for morphological data. The number of morphological characters suitable for bluegrass analysis is limited, a majority does not have clear adaptive significance, and the character states cannot be readily polarized, rendering phylogenetic reconstruction very difficult in this group. Other methods of estimating phylogenetic relationships should be used to test hypotheses about relationships and hybridization. Biochemical and molecular data, as well as karyological, phyogeographical, and other lines of evidence should be combined to establish an explicit and testable hypothesis of the sequence of character state changes acquired during biotic differentiation."
Language:English
References:26
Note:"A journal of taxonomic and evolutionary botany"
v. 23 stand alone issue, both serial and monograph, entitled "Monocots: Comparative Biology and Evolution, Poales" isbn: 9780960580875
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Olonova, M. V. 2010. The challenge of a Siberian bluegrass (Poa) phylogeny. Aliso: A Journal of Taxonomic and Evolutionary Botany. p. 51-55.
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