Love-in-idleness (Viola tricolor) is the flower mentioned in the works of William Shakespeare that inspired romantic love. This wild pansy is known by various other names, including johnny-jump-up and heartsease. The word pansy derives from the French pensees, meaning 'thoughts'.
Yet mark'd I where the bolt of Cupid fell:
It fell upon a little western flower,
Before, milk-white, now purple with love's wound,
And maidens call it love-in-idleness.
A Midsummer Night's Dream (Act 2, Scene 1)
The love-in-idleness was originally a white flower, struck by one of Cupid’s arrows, which turned it purple and gave it its magic love potion. When dripped onto someone's eyelids this love potion causes an individual to fall madly in love with the next person they see. In A Midsummer Night's Dream, William Shakespeare uses this flower as a plot device to introduce the comical disturbance and chaos of love, but also to highlight the irrationality of romantic love. In the end, the love-in-idleness nectar is used to restore all romances in the play to their original states (including Demetrius' prior affections for Helena before he turned to Hermia.)
Love-in-idleness is another name for the European wild pansy, Viola tricolor, which naturally occurs in white and purple colors. According to Roman mythology, the wild pansy turned into the Love-in-idleness as Cupid shot one of his arrows at the imperial votaress, but missed and instead struck it. As Cupid is the god of desire, affection and erotic love, the flower’s juice received the trait, to act as a love potion. Its name relates to the use of the flower, as it is often used for idleness or vileness acts. In A Midsummer Night's Dream, the Love-in-idleness is especially used in relation to the theme of love. In Act II and III, Oberon’s and Puck’s intervention with the magic love potion of the flower, they can control the fates of various characters, but also speed up the process of falling in and out of love, so that the actual romances of the lovers and their love itself appears to become very comical. Shakespeare uses the flower to provide the essential dramatic and comical features for his play. Besides that the love potion gained from the flower, does not only interfere with the lovers fates, but also gives the play structure as it affects the plot of the lovers romances drastically, as it at first upsets the balance of love and creates asymmetrical love among the four Athenian lovers. The fact that this flower introduces magical love to this play creates the potential for many possible outcomes for this play.