Pal Hermansen / Colourful corn (Zea mays) seeds against white background.

Nigel Cattlin / Maize (Zea mays) seedling with roots and early leaves, above and below ground.

Nigel Cattlin / Maize (Zea mays) seedling with roots and early leaves, above and below ground.

Nigel Cattlin / Maize (Zea mays) seed germinating with radicle, root hairs and coleoptile growth.

John Cancalosi / Luhya woman winnowing corn, Kakamega forest, Kenya, July.

Phil Savoie / English oak tree (Quercus robur) in field of cultivated Maize (Zea mays) seedlings, Monmouthshire, Wales, UK, May.

Phil Savoie / Field of Maize (Zea mays) seedlings, Monmouthshire, Wales, UK, May.

Claudio Contreras Koob / Corn / maize (Zea mays) plantation, Milpa Alta, Mexico, September

Cheryl-Samantha Owen / Man shoveling Maize (Zea mays) corn into a pile after the corn has been shelled (removed from the cob). Commercial maize farm, Tanzania, East Africa. October 2011.

Cheryl-Samantha Owen / Bags of Maize (Zea mays) cobs ready for shelling. Commercial maize farm, Tanzania, East Africa.

Cheryl-Samantha Owen / Vervet monkey (Chlorocebus pygerythrus) eating Maize (Zea mays) corn on the cob. Commercial farm, Tanzania, East Africa. Farm workers are employed to scare the monkeys away from the crops, but some mo...

Cheryl-Samantha Owen / Baby Corn (Zea mays) harvested and prepared for packing, Commercial farm, Tanzania, East Africa. October 2011.