WordNet (r) 3.0 (2006):

umbrella arum
    n 1: foul-smelling somewhat fleshy tropical plant of
         southeastern Asia cultivated for its edible corms or in the
         greenhouse for its large leaves and showy dark red spathe
         surrounding a large spadix [syn: devil's tongue, snake
         palm, umbrella arum, Amorphophallus rivieri]