Zea L.

Maize

Classical Greek name (zeia) for a food grass.

Annual plant. Leaves flat, broad, rolled in bud. Ligule membranous. Inflorescence with male flowers in a terminal branched cluster; female clusters axillary. Spikelets arranged in longitudinal rows on a thick axis and enclosed by leafy sheaths. Male spikelets paired, 1 stalkless, 1 stalked. Female spikelets of 2 florets, the lowermost sterile. Glumes more or less equal, awnless, lower and upper glumes nerveless. Lemma awnless, hairless, 3-nerved. Palea long, apically notched.

Seed.

Z. mays is cultivated widely in the tropics as a food source but it is also used for oil, syrup, beer and spirits (such as bourbon), and in a range of forms for human consumption including popcorn, baby corn for stir-fry, cornflakes, cornflour and polenta. Ornamental forms have cobs with grains coloured red and/or black.

Superficially bamboo-like plants with characteristic corn cobs. Spikelets unisexual and sexes looking different, the female inflorescence enclosed by leafy husks.

4 species from Central America, cultivated in many tropical and subtropical regions.

Iltis & Doebley (1980).

Source: Spencer, R.; Aldous, D.; Stajsic, V.; McGeary, D (2005). Poaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Lilianae
order      Poales
family       Poaceae
Higher taxa
Subordinate taxa
species         Zea mays L.