Comparison of the Organization Pattern of the rRNA Gene in Plants Using Fluorescence in situ Hybridization Revealing the F-actin Networks in Interphase Nuclei of Garlic Clove Cells by Confocal Fluorescence Microscopy Visualization and Characterization of High-Order Chromatin Fibers under Light Microscope during Interphase and Mitotic Stages in Plants Phylogenetic Relationship of Ramie and Its Wild Relatives Based on Cytogenetics and DNA Sequences