Name of a mythological character from Ancient Greece. One was the daughter of the incestuous marriage of Oedipus and Jocasta. For this reason she was the sister of Eteocles, Polyneices, and Antigone. Another Ismene was an Oceanid, daughter of Asopus and Metope. She married Argos Panoptes, by whom she had Iasus and Io. In some texts she is listed as the mother of Argos. Name of an asteroid ( 190 ) . Name of a genus of plants in the family Amaryllidaceae.