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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 ...
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 ...
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 ...
Maize (Zea mays, Poaceae) is the most widely cultivated C 4 plant.[1]In botany, C 4 carbon fixation is one of three known methods of photosynthesis used by plants. C 4 plants increase their photosynthetic efficiency by reducing or suppressing photorespiration, which mainly occurs under low atmospheric CO 2 concentration, high light, high temperature, drought, and salinity.
Tussock grasses or bunch grasses are a group of grass species in the family Poaceae. They usually grow as singular plants in clumps, tufts, hummocks, or bunches, rather than forming a sod or lawn, in meadows, grasslands, and prairies. As perennial plants, most species live more than one season.
The APG III system (2009; unchanged from the APG II system of 2003 and the APG system of 1998) places the family in the order Ranunculales, in the clade eudicots. [1] The Papaveraceae differ from the rest of the Ranunculales in some important characteristics but they share others such as the presence of isoquinoline-derived alkaloids.
Poa annua, or annual meadow grass (known in America more commonly as annual bluegrass or simply poa), is a widespread low-growing turfgrass in temperate climates. ...