<P> With a flower growing up to 1.5 m (4.9 ft) in diameter, 3--4 m (9.8--13.1 ft) in perimeter and 10--12 kg (22--26 lb) heavy, Rafflesia arnoldii is the world's current largest individual flower . They grew in the forest of Sumatra, and Borneo island of Indonesia . With no roots, stems, leaves, and chlorophyll, they are parasitic to many plants on the roots of their vine . This made Rafflesia very hard to find a place for them in scientific taxonomy compared to other plant species . DNA analyses have shown that they belong to the Euphorbiaceae family, which is usually characterized by minute flower . The most famous plant species in this family are Spurges, Cassava, and rubber tree . The very existence of the plant can only become visible when it's plump buds emerge from the host through the bark on parts of the host tree, out of the ground, when it ripens, and excrete fleshy scent of corpse to attract pollinators, which are carrion - flies </P> <P> Atlantic Giant Pumpkin is the world's currently heaviest, and largest fruit on earth ever grown . The Atlantic Giant is likely a descendant of Mammoth Pumpkin, which held the world record from 1904 to 1976 . </P> <P> The current records - breaking heavy - weighed fruit is still pumpkin but it is in 2014 that the new world record was proposed . The record - breaking pumpkin weighed 2,323.7 lb (1,054.0 kg). It was grown by Beni Meier . He broke 3 new world records in three weeks . This fruit was until today placed in the world record for heaviest fruit . </P> <P> Tim Mathison is the current record holder . On October 11, 2013, at Uesugi Farms Pumpkin Park, Morgan Hill, CA, Mathison brought in the world's record - breaking pumpkin, which weigh over brought his now world record pumpkin, which weighed 2032 lbs . He announced his secret that he grew his pumpkin from the seeds of 2009 Wallace seed crossed with the 1554 Mathison . Large pumpkins genetic is his secret to growing giant pumpkin . </P>

Which is the biggest fruit in the world