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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 .
The Poaceae are the most economically important plant family, providing staple foods from domesticated cereal crops such as maize, wheat, rice, oats, barley, and millet for people and as feed for meat-producing animals.
Poaceae: grass family; Dendrocalamus: giant clumping bamboos; Dendrocalamus asper: giant bamboo; edible bamboo Poaceae (grass family) Polygonaceae: knotweed family; Coccoloba: coccoloba trees; Coccoloba diversifolia: pigeon plum Polygonaceae (knotweed family) Coccoloba uvifera: seagrape Polygonaceae (knotweed family) Proteaceae: protea family
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.
The table below contains seed-bearing families from Plants of the World by Maarten J. M. Christenhusz (lead author), Michael F. Fay and Mark W. Chase, with two updated families [a] from Plants of the World Online. The second column gives the family's original type genus, unless that name is no longer accepted in taxonomic databases. The fourth ...
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Triticeae is a botanical tribe within the subfamily Pooideae of grasses that includes genera with many domesticated species. Major crop genera found in this tribe include wheat (see wheat taxonomy), barley, and rye; crops in other genera include some for human consumption, and others used for animal feed or rangeland protection.
"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