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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 .
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.
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 ...
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 ...
"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
Bamboos, Poaceae subfamily Bambusoideae, around 92 genera Note that banana 'trees' are not actually trees; they are not woody nor is the stalk perennial. Magnoliids (together with eudicots they are called broadleaf or hardwood trees)
California Democratic Gov. Gavin Newsom asked state lawmakers Monday for an additional $25 million in funding to cover the cost of legal battles he expects to have with President-elect Donald ...
The BOP clade (sometimes BEP clade) is one of two major lineages (or clades) of undefined taxonomic rank in the grasses , containing more than 5,400 species, about half of all grasses. Its sister group is the PACMAD clade ; in contrast with many species of that group who have evolved C 4 photosynthesis , the BOP grasses all use the C 3 ...