In the stage of mitosis, indicated by the abbreviated statements
1.) Has only fragments of nuclear envelope.
2.) Plate forms across center of mitotic area
3.) Chromatin is condensed
4.) Daughter chromosomes separate.
5.) Cytokinesis accelerates to completion.
tell whether it is interphase, early prophase, or late prophase.
I would say its telophase since you are already completeing cytokinesis