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Karyotype analysis ofPlacea amoenaPhil. (Amaryllidaceae) by double fluorescencein situhybridization
2004
Caryologia (Firenze)
Placea Miers ex Lindley is an endemic genus of Chile. There are between 3 and 6 species cited for Chile. P. amoena Phil., is a beautiful plant with red tepals and it is growing in the Province of Illapel in Regió n IV. We identify the physical localization of gene clusters of 5S and 25S rDNA in Placea amoena by double fluorescence in situ hybridization (FISH). P. amoena is 2n = 16, with the chromosome set 2m + 5sm + 1st. The ratio of the longest pair/ shortest pair (R) is 2.60 with a karyotype
doi:10.1080/00087114.2004.10589393
fatcat:qllxdplygrfd5lkpgtdqtlokny