Zea mays L. subsp. mays (Poaceae). Sweetcorn, known as corn in the USA and Canada.
Given its scientific name by Carolus Linnaeus in 1753, from cultivated plants said to have been grown from seeds sent to Europe from the Americas.
Originated in Mexico, not known as a wild plant.
Life form: annual grass.
Parts used: edible seeds (kernels) used as grain; stems and leaves used as fodder.