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Poales

Scientific classification
Kingdom:Plantae
Division:Magnoliophyta
Class:Liliopsida
Order:Poales Small ( 1903)
Families ( APG)

Anarthriaceae
Bromeliaceae
Centrolepidaceae
Cyperaceae
Ecdeiocoleaceae
Eriocaulaceae
Flagellariaceae
Hydatellaceae
Joinvilleaceae
Juncaceae
Mayacaceae
Poaceae
Rapateaceae
Restionaceae
Sparganiaceae
Thurniaceae
Typhaceae
Xyridaceae

The Poales is a cosmopolitic order of monocotyledonous flowering plant s. The order includes Family Poaceae (grasses) and allied families. By far, the most economically important family is the Poaceae — the grass or corn family, which includes barley, maize, milletFor the Ottoman system of ethno-religious divisions see Millet Millet is the collective name of a group of genera of the Grass family Gramineae/Paniceae widely grown around the world for food or animal feed. Pearl millet Pennesetum glaucum (L. americanum, riceRice Rice fields on Java Scientific classification Kingdom: Plantae Division: Magnoliophyta Class: Liliopsida Order: Poales Family: Poaceae Genus: Oryza Species Oryza barthii ''Oryza glaberrima ''Oryza latifolia ''Oryza longistaminata ''Oryza punctata ''O, and wheataestivum ''T. aethiopicum ''T. araraticum ''T. boeoticum ''T. carthlicum ''T. compactum ''T. dicoccon ''T. durum ''T. ispahanicum ''T. karamyschevii ''T. militinae T. monococcum ''T. polonicum T. spelta ''T. timopheevii ''T. trunciale ''T. turanicum ''T..

The order consists mostly of herbs and herbaceous plants, rarely shrubs or lianas. Flowers have bracts and are usually small, arranged into inflorescences of various forms (except for genus Mayaca , which has solitary terminal flowers). Seeds usually contain starchStarch is a complex carbohydrate which is insoluble in water. Starch (in particular cornstarch) is used in cooking for thickening sauces. In industry, it is used in the manufacture of adhesives, paper, and textiles. Biochemistry In biochemistry, starch is.

One of most prominent features of many families inside Poales is the wind pollinationPollination is an important step in the reproduction of seed plants: the transfer of pollen grains (male gametes) to the plant carpel, the structure that contains the ovule (female gamete). The receptive part of the carpel is called a stigma in the flower, to which they are perfectly fit.

According to the modern perception, Poales consist of eighteen families with about 850 genera and over 20000 species. The most important families in the order are Poaceae (12000 species), Cyperaceae (5000 sp.), Bromeliaceae (1400 sp.) and Eriocaulaceae (1150 sp.)

Today Poales are one of the most successful groups of plants, and its ecological and economical importance far exceeds that of any other herbs. Modern estimates (Bremer, 2000) place its origin in the South America, nearly 115 millions of years ago (in the middle Cretaceous). The earliest known fossils include pollen and fruits and are dated to the late Cretaceous.





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