玉米为禾本科玉蜀黍属,一年生草本。俗称苞谷、棒子、苞米等。玉米的故乡在拉丁美洲的墨西哥、秘鲁一带,我国引进玉米是从16世纪的明代中叶开始的,至今约有480a 的栽培历史。玉米植株高大,根系发达,有支柱根,秆粗壮。叶宽大,线状披针形。花单性,雌雄同株,雄花为圆锥花序,顶生:雌花为肉穗花序,着生叶腋间,外有总苞。玉米性喜高温,需水较多。适宜疏松肥沃的土 Corn is gramineous Zea, annual herb. Commonly known as Baogu, sticks, corn and so on. The hometown of corn In Mexico and Peru in Latin America, the introduction of corn in our country started from the mid-Ming Dynasty in the 16th century and has been cultivated for about 480 years. Tall corn plants, developed root system, a pillar roots, stout stout. Leaves wide, linear lanceolate. Flowers unisexual, monoecious, male flowers as a panicle, top students: Female flowers for the spadix, the axillary leaves, outside the total buds. Like corn high temperature, water more. Suitable for loose fertile soil