ABSTRACT:
The biggest flower in the plant kingdom is produced by the parasitic Rafflesia (Rafflesiaceae), which · can reach up to nearly 1 m in diameter; this genus is distributed in Southeast Asia. The biggest inflorescences (consisting of many single flowers) are probably in the palms and, depending on how one looks at it, the bamboos. But the genus Amorphophallus of the aroids has the biggest unbranched inflorescences in the plant kingdom.