Abstract
The karyotypes of five Brazilian species of Echinodorus; E. bolivianus, E. grandiflorus, E. longipetalus, E. macrophyllus and E. tenellus (Alismataceae); were studied using C-banding, CMA3/DAPI banding and fluorescence in situ hybridization with a 45S rDNA probe. There were few differences in the G-C rich regions of the five species, but marked differences were seen in the number and position of C-bands, A-T rich regions and 45S rDNA sites. Overall, these characteristics were species-specific, with the exception of E. bolivianus and E. tenellus, which were highly similar in all of the karyotypic characteristics studied.
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Costa, J.Y., Forni-Martins, E.R. & Vanzela, A.L.L. Karyotype characterization of five Brazilian species of Echinodorus (Alismataceae) with chromosomal banding and 45S rDNA FISH. Plant Syst. Evol. 257, 119–127 (2006). https://doi.org/10.1007/s00606-005-0375-8
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DOI: https://doi.org/10.1007/s00606-005-0375-8