Noun
A genus of plants; the mandrake. See Mandrake, 1.
Source: Webster's dictionaryTaruskin, 665. Between these projects, Tchaikovsky started to compose an opera called Mandragora, to a libretto by Sergei Rachinskii; the only music he completed was a short chorus of Flowers and Insects. Source: Internet
This was originally described in The Masque of Mandragora (1976) as a "Time Lord gift" which the Doctor shares with his companions, but is ultimately attributed to the TARDIS's telepathic field in " The End of the World " (2005). Source: Internet