I know many people here have
landrace corn with influences from an untold number of historic or exotic sources.
I recall hearing stories of some
Native American varieties that were very long, but in my searches, I can't find any specific varieties by name. There seems to be a yellow dent from Mexico that normally goes 15"+, but the story I read about it says it was longer in the past than it has been in many years. The world record is something like just over 3', but is obviously not a consistent producer of long ears or we'd have heard about it, I'd think.
I would love to hear stories or see photos of the longest ear of corn you've grown to date. Was it a rare occurrence for you, or does it show up with regularity if the rainfall is perfect?