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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 ...
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 .
Poaceae at The Plant List; Learn about grasses at The Story of the Poaceae "Grasses" . Encyclopædia Britannica. Vol. XI (9th ed.). 1880. pp. 53–60. Gramineae Archived 2007-01-03 at the Wayback Machine at The Families of Flowering Plants (DELTA) Archived 2007-01-03 at the Wayback Machine; Poaceae at the Angiosperm Phylogeny Website
"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
Oryzoideae (syn.Ehrhartoideae) is a subfamily of the true grass family Poaceae.It has around 120 species in 19 genera, notably including the major cereal crop rice. [1] Within the grasses, this subfamily is one of three belonging to the species-rich BOP clade, which all use C 3 photosynthesis; it is the basal lineage of the clade.
Evolution of angiosperms shown in diagram format, per APG IV. The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG).
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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.