What is the Biggest/Largest Flower in the World?

The biggest flower in the world is Rafflesia Arnoldii a very rare flower that can be found in the rainforests of Indonesia. It has the world’s largest bloom, that can grow up to 3 feet across and may weigh up to 15 pounds, has no visible leaves, roots or stem.

Rafflesia arnoldii is actually a parasite that attaches to a host plant for water and nutrients and while in bloom emits an odor similar to rotten meat. This is how it attracts insects that pollinate the plant.

Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Malpighiales Family: Rafflesiaceae Genus: Rafflesia Species: R. arnoldii Binomial name Rafflesia arnoldii

The dramatic Rafflesia flowers are the largest single flowers in the world; the leathery petals can reach over 90 centimetres across. The Rafflesia plant is itself not visible until the reproduction stage when flowers first bud through the woody vine and then open into the magnificent spectacle that is world-renowned today.

The flowers can take up to 10 months to develop from the first visible bud to the open bloom, which may last no more than a few days. Species of Rafflesia are known from peninsular Malaysia, Sumatra, Java, southern Thailand, Borneo and southern Philippines.

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