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	~~'''~~Poaceae~~''' or '''Gramineae''' is a large and nearly ubiquitous~~ family of ~~[[monocotyledonous]] flowering plants known as grasses. It includes the cereal~~ grasses~~, bamboos and the grasses of natural grassland and species cultivated in lawns and pasture. The latter are commonly referred to collectively as grass.~~		{{Short description\|A comprehensive overview of the Poaceae family of grasses}}

	== ~~Description~~ ==		==Overview==
	~~Grasses have stems that are hollow except at the nodes~~ and ~~narrow alternate leaves borne in two ranks~~. ~~The lower part~~ of ~~each leaf encloses~~ the ~~stem, forming a leaf-sheath. With around 780 genera and around 12,000 species, Poaceae are~~ the ~~fifth-largest plant family~~, ~~following the~~ [[~~Asteraceae~~]], [[~~Orchidaceae~~]], [[~~Fabaceae~~]] and [[~~Rubiaceae~~]].		The '''Poaceae''', also known as '''Gramineae''', is a large and nearly ubiquitous family of [[monocotyledonous]] flowering plants commonly referred to as '''grasses'''. This family includes some of the most important crops in the world, such as [[wheat]], [[rice]], [[maize]], and [[sugarcane]]. Grasses are characterized by their hollow stems, narrow leaves, and small flowers grouped in spikelets.

	== ~~Evolution~~ ==		==Morphology==
	~~Grasslands such as savannah and prairie where grasses are dominant are estimated to constitute 40~~.5% of ~~the land area~~ of the ~~Earth~~, ~~excluding Greenland~~ and ~~Antarctica~~. ~~Grasses~~ are ~~also an important part~~ of the ~~vegetation in many other habitats~~, ~~including wetlands~~, ~~forests~~ and ~~tundra~~.		[[File:Wheat field.jpg\|thumb\|right\|A field of wheat, a member of the Poaceae family.]]
			Grasses typically have hollow stems called culms, which are usually cylindrical and jointed. The leaves are arranged in two ranks and consist of a sheath, which wraps around the stem, and a blade, which is the flat, extended part of the leaf. The flowers of grasses are small and are usually grouped in inflorescences called spikelets. Each spikelet can contain one or more florets.

	== ~~Uses~~ ==		==Distribution and Habitat==
	~~The~~ Poaceae are ~~the most economically important plant family~~, ~~providing staple foods from domesticated cereal crops such as maize (corn)~~, ~~wheat~~, ~~rice~~, ~~barley~~, and ~~millet as well as feed for meat-producing animals~~. ~~They also include the bamboos, which~~ are ~~used~~ in ~~building materials~~.		[[File:Savanna.jpg\|thumb\|left\|Savannas are dominated by grasses.]]
			Poaceae are found on every continent, including Antarctica, and are adapted to a wide range of habitats. They are particularly dominant in grasslands, savannas, and steppes, but can also be found in forests, wetlands, and deserts. Grasses are highly adaptable and can thrive in both temperate and tropical climates.

	== ~~See also~~ ==		==Economic Importance==
	* [[~~List of Poaceae genera~~]]		The Poaceae family is of immense economic importance. Grains such as [[wheat]], [[rice]], [[maize]], [[barley]], and [[oats]] are staple foods for a large portion of the world's population. Additionally, grasses are used for [[forage]] in livestock farming, and species like [[bamboo]] are used in construction and as a raw material for various products.
	* [[~~Grass anatomy~~]]
	* [[~~Grass evolution~~]]

	== ~~References~~ ==		==Ecological Role==
	~~<references />~~		Grasses play a crucial role in ecosystems by stabilizing soil, providing habitat and food for wildlife, and contributing to the carbon cycle. They are primary producers in many ecosystems and form the basis of the food chain in grassland habitats.

	== ~~External links~~ ==		==Evolution and Diversity==
	* [http://www.~~kew~~.~~org/data/~~grasses~~-db~~.~~html GrassBase -~~ The ~~Online World Grass Flora~~]		The Poaceae family is one of the most diverse plant families, with over 12,000 species classified into approximately 780 genera. The family is believed to have evolved around 55 million years ago, during the late Cretaceous to early Paleogene periods. The diversification of grasses is closely linked to the evolution of herbivorous mammals and the expansion of open habitats.
	* [~~http://www.ars-grin.gov/cgi-bin/npgs/html/family.pl?830 USDA - GRIN Taxonomy~~]
			==Cultivation and Uses==
			Grasses are cultivated for various purposes, including food, fodder, and ornamental use. [[Lawn grasses]] are used in landscaping and sports fields, while [[ornamental grasses]] are popular in garden design. The cultivation of cereal crops is a major agricultural activity worldwide.

			==Related Pages==
			* [[Cereal]]
			* [[Grassland]]
			* [[Monocotyledon]]
			* [[Photosynthesis]]
			* [[Agriculture]]

	[[Category:Poaceae]]		[[Category:Poaceae]]
	~~[[Category:Monocots]]~~
	[[Category:Plant families]]		[[Category:Plant families]]
			[[Category:Grasses]]
	~~{{stub}}~~
	~~{{dictionary-stub1}}~~
	~~<gallery>~~
	~~File~~:~~Meadow_Foxtail_head.jpg\|Poaceae~~
	~~File:Grassbluete_numbers_clones_unlinked.svg\|Poaceae~~
	~~File:Grassflowers.jpg\|Poaceae~~
	~~File:Anomochloa.jpg\|Poaceae~~
	~~File:Setaria_verticillata_W_IMG_1085.jpg\|Poaceae~~
	~~File:Grasses_in_the_Valles_Caldera_2014-06-26.JPG\|Poaceae~~
	~~File:Kangur.rudy.drs.jpg\|Poaceae~~
	~~File:FossilPoaceaePollen.tif\|Poaceae~~
	~~File:South_Lawn.jpg\|Poaceae~~
	~~File:Australia_vs_India.jpg\|Poaceae~~
	~~File:Grass_covered_house_in_Iceland_1972.jpg\|Poaceae~~
	~~File:Grass_Blades.jpg\|Poaceae~~
	~~</gallery>~~

Prab: CSV import

2025-02-18T12:08:32Z

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	{{stub}}		{{stub}}
	{{dictionary-stub1}}		{{dictionary-stub1}}
			<gallery>
			File:Meadow_Foxtail_head.jpg\|Poaceae
			File:Grassbluete_numbers_clones_unlinked.svg\|Poaceae
			File:Grassflowers.jpg\|Poaceae
			File:Anomochloa.jpg\|Poaceae
			File:Setaria_verticillata_W_IMG_1085.jpg\|Poaceae
			File:Grasses_in_the_Valles_Caldera_2014-06-26.JPG\|Poaceae
			File:Kangur.rudy.drs.jpg\|Poaceae
			File:FossilPoaceaePollen.tif\|Poaceae
			File:South_Lawn.jpg\|Poaceae
			File:Australia_vs_India.jpg\|Poaceae
			File:Grass_covered_house_in_Iceland_1972.jpg\|Poaceae
			File:Grass_Blades.jpg\|Poaceae
			</gallery>

Prab: CSV import

2024-02-25T00:52:43Z

CSV import

New page

'''Poaceae''' or '''Gramineae''' is a large and nearly ubiquitous family of [[monocotyledonous]] flowering plants known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns and pasture. The latter are commonly referred to collectively as grass.

== Description ==
Grasses have stems that are hollow except at the nodes and narrow alternate leaves borne in two ranks. The lower part of each leaf encloses the stem, forming a leaf-sheath. With around 780 genera and around 12,000 species, Poaceae are the fifth-largest plant family, following the [[Asteraceae]], [[Orchidaceae]], [[Fabaceae]] and [[Rubiaceae]].

== Evolution ==
Grasslands such as savannah and prairie where grasses are dominant are estimated to constitute 40.5% of the land area of the Earth, excluding Greenland and Antarctica. Grasses are also an important part of the vegetation in many other habitats, including wetlands, forests and tundra.

== Uses ==
The Poaceae are the most economically important plant family, providing staple foods from domesticated cereal crops such as maize (corn), wheat, rice, barley, and millet as well as feed for meat-producing animals. They also include the bamboos, which are used in building materials.

== See also ==
* [[List of Poaceae genera]]
* [[Grass anatomy]]
* [[Grass evolution]]

== References ==
<references />

== External links ==
* [http://www.kew.org/data/grasses-db.html GrassBase - The Online World Grass Flora]
* [http://www.ars-grin.gov/cgi-bin/npgs/html/family.pl?830 USDA - GRIN Taxonomy]

[[Category:Poaceae]]
[[Category:Monocots]]
[[Category:Plant families]]

{{stub}}
{{dictionary-stub1}}

← Older revision		Revision as of 12:08, 18 February 2025
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	{{stub}}		{{stub}}
	{{dictionary-stub1}}		{{dictionary-stub1}}
			<gallery>
			File:Meadow_Foxtail_head.jpg\|Poaceae
			File:Grassbluete_numbers_clones_unlinked.svg\|Poaceae
			File:Grassflowers.jpg\|Poaceae
			File:Anomochloa.jpg\|Poaceae
			File:Setaria_verticillata_W_IMG_1085.jpg\|Poaceae
			File:Grasses_in_the_Valles_Caldera_2014-06-26.JPG\|Poaceae
			File:Kangur.rudy.drs.jpg\|Poaceae
			File:FossilPoaceaePollen.tif\|Poaceae
			File:South_Lawn.jpg\|Poaceae
			File:Australia_vs_India.jpg\|Poaceae
			File:Grass_covered_house_in_Iceland_1972.jpg\|Poaceae
			File:Grass_Blades.jpg\|Poaceae
			</gallery>

Poaceae - Revision history

Prab: CSV import

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