Largest Flowers on Earth 

Monster Flower Among all of the large flowers, Rafflesia arnoldi produces the largest single bloom.

Corpse Flower Bestowing a "largest flower" title is not always as simple as measuring blooms.

Talipot Palm Able to grow more than 80 feet tall, Corypha umbraculifera—better known as the "Talipot palm"—is the largest flowering plant with branched inflorescence.

Quaking Aspen Though their elusive blooms are quite small, the plant itself can be massive.

Neptune Grass Neptune Grass grows in colonies. One such colony, discovered in the Mediterranean in 2006, is several miles wide and believed to be hundreds of thousands of years old.

Sunflower  In the U.S., at least, sunflowers are one of the most well-known flower giants.

Queen of the Andes This has been dubbed queen of the Andes for its tendency to send a flower stalk up 30 feet high amid snow-capped mountains.

Amazon Water Lily Victoria amazonica is the largest organism in the water lily family, Nymphaeaceae, its pad growing up to eight feet in diameter.