Chromosome numbers of carex

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WebDec 5, 2008 · Heilborn ( 1924) noted chromosome number maxima at 2 n = 56, 84, and 112, and from these he inferred the base haploid chromosome number (X) of Carex to be 7. Based on a greater number of counts, Wahl ( 1940) showed that the optima were probably not multiples of 7, and he inferred a secondary base number of X = 5.

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Chromosome Counts of Carex Section Ovales Botanical Gazette: …

WebChromosome numbers were determined for 97 samples of 95 sedge taxa (Carex) from the following countries: Austria (6 records), Bulgaria (1), the Canary Islands (Spain, 1), Cape Verde (1), the Czech Republic (51), Hungary (1), Italy (2), Norway (8), Russia (15), Slovakia (1), Sweden (1) and 9 North American plants cultivated in Czech botanical gardens. … WebApr 4, 2024 · InCarex, most of the chromosome counts are for European, Eastern Asian and North American species.However,for 75% of thespeciesinthisgenus thereareno chromosome numbers recorded (cf. Roalson 2008). WebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species ( Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two subspecies ( C. muricata subsp. ashokae, 2n = … bioeducator

Figure 2 from Chromosome numbers of Carex (Cyperaceae) and …

Macroevolutionary insights into sedges ( Carex : Cyperaceae): The ...

WebThe results of this study indicate that the position of C. cilicica in Aulocystis section may raise doubts, and attention was paid to the relationship between C. phyllostachys and taxa of the subgenus Carex section Gynobasidae. Counting chromosomes is the first step towards a better understanding of the karyotype evolution and the role of chromosome … WebChromosome counts for eight species of Carex section Ovales were determined (C. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. praticola, C. preslii, and C. subfusca). Combined with data from previous studies in the sect. Ovales, chromosome number variability is observed within individuals, populations, and species. Counts from … bioedge researchWebJun 29, 2011 · Chromosome counts for eight species of Carex section Ovales were determined (c. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. … dahlonega weather man

"WebJun 29, 2011 · Chromosome counts for eight species of Carex section Ovales were determined (c. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. praticola, C. preslii, and C. subfusca). Combined with data from previous studies in the sect. Ovales, chromosome number variability is observed within individuals, populations, and species ... " - Chromosome numbers of carex

Chromosome numbers of carex

WebMar 10, 2011 · The number of chromosomes in Carex varies from n = 6 to n = 62 and spans actually a continuous series from n = 6 to n = 47, more … WebThe chromosome number variation within species is more closely related with morphological diversity and diverging time (genetic diversity) than geographic diversity (Hipp et al., 2010; Chung et al., Table 1. Species, locality, voucher specimens, and chromosome numbers of Carex studied. Taxon (locality, voucher specimen) Chromosome numbers ...

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WebApr 13, 2024 · A lectotype is designated for the name Carex curvata Knaf on a herbarium specimen found in the PR (National Museum, Prague). ... Accepted names, hybrids, synonyms, distribution, chromosome numbers. Margraf Publishers, Weikersheim, 726 pp. Koopman, J. (2024) Section Ammoglochin (Carex, Cyperaceae) in Poland. Doctoral … WebThe number of chromosomes in Carex varies from n = 6 to n = 62 and spans actually a con- tinuous series from n = 6 to n = 47, more than 100 species showing different …

WebJan 28, 2024 · It should also be remembered that in Carex, the complexity of chromosome variation is due primarily to the presence of diffuse centromeres, which causes chromosomes either wholly or in pieces to be transmitted in rather less organized fashion than in species with chromosomes possessing single, well-defined centromeres … WebFeb 1, 2015 · The genus CarexL. (Cyperaceae), with approximately 2000 species worldwide, is one of the most species-rich angiosperm genera (Judd et al., 2007). Moreover, Carexis the most diversified flowering plant genus in the temperate areas of the Northern Hemisphere (Escudero et al., 2012a).

WebThe exact chromosome numbers were known for 96 measured samples and were taken from the available literature for other taxa. All relationships were tested in a phylogenetic framework using the ITS tree of 105 species. Key Results The 1C genome size varied between 0·24 and 1·64 pg in Carex secalina and C. cuspidata, respectively. WebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two subspecies (C. muricata subsp. ashokae, 2n = 58; C. nigra subsp. transcaucasica, 2n = 84) and two …

Web2 days ago · DOI: 10.1073/pnas.2213512120. A large team of marine, molecular and genetic biologists affiliated with a number of institutions in China has conducted what they describe as a high-quality ...

WebThe chromosome number ofC. gholsonii,deter- mined from two populations in Florida, is 16 II 1 1IV. Carex inﬁrminerviais widespread but infre- quent throughout much of the western United States and western Canada. bioedit official websiteWebThe genus Carex exhibits karyological peculiarities related to holocentrism, specifically extremely broad and almost continual variation in … bioedit graphic viewWebJan 31, 2024 · We estimated ca. 42 chromosomes as the most likely ancestral diploid number (pp = 0.20), but chromosome numbers in Carex have varied so rapidly that this estimate should be considered a point estimate within a very broad confidence interval (less supported peaks around 2n = 16 and 2n = 57; data S3 in Márquez-Corro, 2024). dahlonega mine train six flags over georgiaWebThe exact chromosome numbers were known for 96 measured samples and were taken from the available literature for other taxa. All relationships were tested in a phylogenetic framework using the ITS tree of 105 species. Key results: The genomic GC content varied from 34·8 % to 40·6 % from C. secalina to C. firma. dahlonega weather.comWebIn this study, we investigate genome size and chromosome number evolution in 87 species of Carex, one of the most species-rich genera of flowering plants and one that has undergone an exceptionally high rate of chromosome rearrangement. dahl pharmacy minneapolisWebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two … dahlonega wine and arts festivalWebThe exact chromosome numbers were known for 96 measured samples and were taken from the available literature for other taxa. All relationships were tested in a phylogenetic … dahl physiotherapie