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FISH of 25S and 5S rDNA to metaphase chromosomes of Paphiopedilum section Parvisepalum. (A) Paphiopedilum emersonii, (B) P. delenatii, (C) P. malipoense, (D) P. hangianum, (E) P. armeniacum, (F) P. micranthum. 25S rDNA (green) and 5S rDNA (red) probes were simultaneously detected in all Paphiopedilum species. Chromosomes were counterstained with DAPI. All scale bars = 10 μm.
