They have this at the Huntington Gardens in LA - it's a'schmelly, too! The rare Titan flower known in Indonesia as Bunga Bangkay - corpse flower - (Bogor, Indonesia) is said to be the biggest flower in the world. Anyone keen to challenge that?
Rafflesia Arnoldii the world’s largest flower. Diameter of about one meter and weighing up to ten kilograms. It's rare & not easily located, growing once a year, blooming for 5 days. Found in Indonesian rain forests of southeastern Asia and Philippines.
Amorphophallus titanum (Titan arum) - The largest flower in the world was blooming in Blanco , Veracruz , Mexico . Two meters feet) high and weighing 75 kilos lbs). It has the peculiarity of blooming only during three days every 40 years.
amorphophallus titanum, commonly called the "corpse flower" due to its odor, which is reminiscent of the smell of a decomposing mammal. it is a flowering plant with the largest unbranched inflorescence in the world and is endemic to western sumatra.