The titan arum or Amorphophallus titanum is a flowering plant with the largest unbranched inflorescence in the world. The largest single flower is borne by the Rafflesia arnoldii; the largest branched inflorescence in the plant kingdom belongs to the Talipot palm . It was originally discovered by an Italian botanist, Odoardo Beccari, in Sumatra in 1878. Though found in many botanic gardens around the world it is still indigenous only to the tropical forests of Sumatra.
Due to its fragrance, which is reminiscent of the smell of a decomposing mammal
So Think twice before giving it to your girl friend ,