Rafflesia arnoldii

Rafflesia arnoldii
Source: ma_suska

Rafflesia arnoldii or Corpse Flower has the largest known single flower: up to 1 m in diameter and 11 kg.

The largest known unbranched inflorescence in the world belongs to Amorphophallus titanum and the largest known branched inflorescence to Corypha umbraculifera.

It is a parasitic plant that appears on vines of the genus Tetrastigma. The first two years, the plant is completely hidden from view in the tissues of the host plant.

A bud will appear and grow in a few months to the size of a basketball. When the flower buds, it is red and covered with cream-colored pustules. It spreads the smell of rotting flesh to attract meat-fly to provide for fertilization.

Stems or leaves never appear on this plant.

It occurs only in the rainforest in Sumatra, Borneo and Indonesia, where it is threatened with extinction. No botanical garden has ever managed to successfully grow this plant.

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