What's the largest flower in the world?

The largest flower in the world, the rafflesia arnoldi, weighs 7 kg (15 pounds) and grows only on the Sumatra island of Indonesia. Its petals grow to ½ metre (1,6 feet) long and 2,5 cm (1 inch) thick.

Jenny, you earned a bouquet but doubt that you'd want a bouquet of these---probably break
your arms at 15 lbs. a piece.

I'm not sure you'd want a bouquet anyway! Isn't this also the flower that emits a smell like rotting meat to attract pollinators?

Yes it is, Rainmaker.

However fascinating and beautiful the rafflesia arnoldi may be, it is also called "corpse flower" and really reeks, the latter to attract flies for pollination. - Did you know?

Near the village of Batung Palupuh, 10 km north of Bukittinggi, is a Rafflesia Sanctuary in the Rimba Pati Nature Reserve. Here, if you are lucky, you can spot the world's largest flower, the Rafflesia Arnoldi. Actually, it is not a flower, but a gigantic parasite growing on the Tetrastigma vine. The flower starts as a cabbage-like bud, swelling and eventually opening in enormous bloom, which can measure up to one metre across. It's horrible stench of carrion attracts insects, which are required for the pollination. - Rafflesia Sanctuary