Results 151 to 160 of about 875 (160)
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DYSPLOIDY IN HYMENOXYS TEXANA (COMPOSITAE)

American Journal of Botany, 1988
The two chromosome numbers recorded for Hymenoxys texana, 2n = 16 and 2n = 6, appear to represent dysploid reductions from the base number, x = 15, for the genus.
John L. Strother, Larry E. Brown
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The Relationship Between Dysploidy and Reproductive Capacity in Myrtaceae

Australian Journal of Botany, 1992
Australian Myrtaceae show a positive correlation between base chromosome number and reproductive capacity. There is some evidence of a similar trend in other Australian plant families. Reduced chromosome numbers in the Myrtaceae arose in lineages with critically reduced reproductive capacities, occurring mainly in small shrub species with four or fewer
BL Rye, SH James
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Comparative chromosomal features and new karyological data in Salvia: B-chromosomes, polyploidy, dysploidy and symmetric karyotypes

Brazilian Journal of Botany, 2022
The genus Salvia is characterized by such small chromosomes, which has so far restricted the cytogenetic studies. Therefore, karyomorphological aspects of the chromosome complement were rarely analyzed in the genus. The aim of this study was to report the interspecific relationships and new chromosomal data in Salvia. The chromosomal records of 25 taxa
Esra Martin   +2 more
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V. Chromosome Counts for the Caricaceae Reveal Unexpected Dysploidy

2015
The family Caricaceae has six genera with together 34 species and one hybrid (Carvalho 2013). Besides the economically important crop, Carica papaya, other species in the family also produce edible fruits that are sold in local markets. The sister group of C.
Fernanda Antunes Carvalho   +3 more
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Speeding up chromosome evolution in Phaseolus: multiple rearrangements associated with a one-step descending dysploidy

Chromosoma, 2015
The genus Phaseolus L. has been subject of extensive cytogenetic studies due to its global economic importance. It is considered karyotypically stable, with most of its ca. 75 species having 2n = 22 chromosomes, and only three species (Phaseolus leptostachyus, Phaseolus macvaughii, and Phaseolus micranthus), which form the Leptostachyus clade, having ...
Artur, Fonsêca   +2 more
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POLYPLOIDY, DYSPLOIDY, AND CHROMOSOME PAIRING IN ECHEVERIA (CRASSULACEAE) AND ITS HYBRIDS

American Journal of Botany, 1992
The 140+ species of Echeveria have more than 50 gametic chromosome numbers, including every number from 12 through 34 and polyploids to n = ca. 260. With related genera, they comprise an immense comparium of 200+ species that have been interconnected in cultivation by hybrids.
openaire   +1 more source

An Overview to the Index to Chromosome Numbers in Asteraceae Database: Revisiting Base Chromosome Numbers, Polyploidy, Descending Dysploidy, and Hybridization

2023
A brief overview to the Index to Chromosome Numbers in Asteraceae database is provided. The database contains karyological information on Asteraceae and has been repeatedly improved and updated and is now hosted at the National Bioscience Database center.
John C, Semple, Kuniaki, Watanabe
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Phylogenetic relationships and dysploidy in Capsicum: Evidence from DNA sequences and other multidisciplinary data.

2013
Sehr, Eva-Maria   +5 more
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