Black Rose

Black Rose of Planet Zelas is a flower which Momo summons through her D-Dial.

It looks a rose with black petals and comes from the Planet Zelas.

According to Momo, its thorns paralyze anyone whom hurts this flower, as the effect is confirmed when it is used against Azenda.

Plot
Momo uses it for paralyzing Azenda in the chapter 6 and the episode 4 of To Love-Ru Darkness, for preventing Azenda attack Rito and control Mikan.