Hopi Blue

Hopi Blue is an example of an open-pollinated variety.

Partially unhusked corn on the stalk, showing the dark blue, almost black kernels peeking through silks and husks.
Ear nearing maturity.
Close-up of unhusked mature ear with several varying shades of yellow kernels interspersed amongst the undented blueberry colored kernels
Mature ear with some kernels that are not blue resulting from outcrossing.
Loose kernels that vary in color from dark blue that is almost black, dark purple-blue, and yellow
Kernels, all from same ear, with some that are not blue because of outcrossing.