Poaceae

Pooideae

Chloridoideae

Panicoideae
Andropogoneae
Andropogon
Arthraxon
Bothriochloa
Chrysopogon
Dichanthium
Elionurus
Eremochloa
Hemarthria
Heteropogon
Imperata
Microstegium
Mnesithea
Rottboellia
Saccharum
Schizachyrium
Sorghastrum
Sorghum
Themeda
Trachypogon
Tripsacum
Zea
Paniceae

Arundinoideae

Bambusoideae

Home

Inflorescences

Dissections:
Zea mays

ZEA L. Corn
Plants monoecious, caespitose, annual or perennial. Culms erect or ascending; internodes solid, glabrous, terete; nodes glabrous. Leaves cauline, not distinctly distichous; sheaths terete, margins open; auricles absent; ligules a ciliate membrane; blades flat (broad), linear, lax, apex acuminate. Staminate spikelets in panicles (tassels) of racemose branches, terminal, 1 per culm. Stamens 3; anthers purple. Pistillate spikelets in a modified spicate raceme (cob), axillary, several per culm, sheaths subtending pistillate inflorescence spathe-like; spikelets in rows, similar in size and shape, not disarticulating, not compressed; sessile spikelets pistillate; first glumes 0-keeled, gland-like depressions not present; smooth, hyaline, glabrous, awnless; second glumes length equals first glumes; lower florets sterile, lemmas hyaline; paleas present or absent, hyaline; upper florets pistillate; lemmas hyaline, apex entire, awnless; paleas present, hyaline. Caryopses large, dorsiventrally compressed, yellow. Base chromosome number x=10.

A genus of two species. Corn is important for animal forage and humans. This genus is native to the Americas.