Native to Peru and Ecuador Peruvian Giant Corn - also known as Choclo is a hideously large variety of corn.
The stalks reach up to 18 feet in height, a runt in a litter of this cultivar would tower over standard varieties at a whopping 14 feet.
In standard varieties of corn the average weight runs from 25 - 35 grams per 100 kernels  In Peruvian Giant Corn the weight per 100 kernels runs from 90 - 95 grams per 100 kernels - that's nearly 3 times the size and yield.
It is a late maturing corn and is estimated to need 120 - 150 days to mature. They are not an easy crop to produce, it requires determination and vigilance to grow.
One would think being indigenous to the Andes mountainous they would be adapted to windy conditions, but this is not the case. They evolved in the Peruvian Urrabamba Valley and vicinity which is sheltered and has relatively mild weather. They do not withstand strong winds and need persistent staking, at 14-18 feet in height that's a chore and a half.
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1.] Penn state extension Corn Yields and Kernel Size