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They provide, through direct human consumption, just over one-half (51%) of all dietary energy; rice provides 20%, [6] wheat supplies 20%, maize (corn) 5.5%, and other grains 6%. [ citation needed ] Some members of the Poaceae are used as building materials ( bamboo , thatch , and straw ); others can provide a source of biofuel , primarily via ...
Poaceae, also known as the true grasses, is the fourth largest plant family in the world with around 12,000 species and roughly 800 genera. [ 1 ] [ 2 ] They contain, among others, the cereal crop species and other plants of economic importance, such as the bamboos , and several important weeds .
Within the order, by far the most important family economically is the family of grasses (Poaceae, syn. Gramineae), which includes the starch staples barley, maize, millet, rice, and wheat as well as bamboos (mostly used structurally, like wood, but somewhat as vegetables), and a few "seasonings" like sugarcane and lemongrass. Graminoids ...
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"Bluegrass": The seed pods go from green to purplish blue to brown. During the purplish blue phase the seed stems have a navy-blue coating. Poa trivialis (rough meadow-grass), showing the ligule structure
Three goals of plant taxonomy are the identification, classification and description of plants. The distinction between these three goals is important and often overlooked. Plant identification is a determination of the identity of an unknown plant by comparison with previously collected specimens or with the aid of books or identification manuals.
table mountain pine Pinaceae (pine family) 123 Pinus quadrifolia: Parry pinyon Pinaceae (pine family) Pinus radiata: Monterey pine Pinaceae (pine family) 124 Pinus remota: Texas pinyon Pinaceae (pine family) Pinus resinosa: red pine Pinaceae (pine family) 125 Pinus rigida: pitch pine Pinaceae (pine family) 126 Pinus roxburghii: Chir pine ...
The Pooideae are the largest subfamily of the grass family Poaceae, with about 4,000 species in 15 tribes and roughly 200 genera.They include some major cereals such as wheat, barley, oat, rye and many lawn and pasture grasses.