Sailor Pluto require the use of the Garnet Rod, which is shaped like a giant key as a symbol of her stewardship over the Door of Space-Time. In Roman mythology, it is stated that the god Pluto holds a key because "they say that what is called Hades has been locked up by Pluto, and that nobody will return back again therefrom." Natale Conti cites Pausanias in noting that keys are an attribute of Pluto as the scepter is of Jove (Roman Zeus) and the trident of Neptune (Poseidon). The Pluto Crystal is perhaps her most important possession, as it is her
Pluto (mythology) The tree was the white poplar (Greek "leukē"), the leaves of which are white on one side and dark on the other, representing the duality of upper and underworld. A wreath of white poplar leaves was fashioned by Heracles to mark his ascent from the underworld, an "aition" for why it was worn by initiates and by champion athletes participating in funeral games. Like other plants associated with Pluto, white poplar was regarded as a contraceptive in antiquity. The relation of this tree to the white cypress of the mysteries is debated. The "Bibliotheca" of Pseudo-Apollodorus uses the name "Plouton"