Monocotyledon

monocotmonocotsmonocotyledonousmonocotyledonsEndogenlodiculesMonocotyledonaeMonocotyledoneae sp.Monocotyledonesleaf sheath
Monocotyledons, commonly referred to as monocots, (Lilianae sensu Chase & Reveal) are flowering plants (angiosperms) whose seeds typically contain only one embryonic leaf, or cotyledon.wikipedia
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Asparagaceae

asparagus familyAsparagaeAsparageae
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae).
Asparagaceae is a family of flowering plants, placed in the order Asparagales of the monocots.

Cyperaceae

sedgesedgessedge family
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae).
The Cyperaceae are a family of monocotyledonous graminoid flowering plants known as sedges, which superficially resemble the closely related rushes and the more distantly related grasses.

Amaryllidaceae

Amaryllis familyAmaryllidaceae sp.Amaryllid family
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae).
The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales.

Cotyledon

cotyledonscoleoptilefirst leaves
Monocotyledons, commonly referred to as monocots, (Lilianae sensu Chase & Reveal) are flowering plants (angiosperms) whose seeds typically contain only one embryonic leaf, or cotyledon.
Species with one cotyledon are called monocotyledonous ("monocots").

APG III system

APG III classification systemAPG III2009
The APG III system of 2009 recognises a clade called "monocots" but does not assign it to a taxonomic rank.
clade monocots

Liliales

LiliaLiliinées
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
Liliales (older name: Lilia) is an order of monocotyledonous flowering plants in the Angiosperm Phylogeny Group and Angiosperm Phylogeny Web system, within the lilioid monocots.

Asparagales

Iridales
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
The order takes its name from the type family Asparagaceae and is placed in the monocots amongst the lilioid monocots.

Dioscoreales

yam
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
The Dioscoreales are an order of monocotyledonous flowering plants in modern classification systems, such as the Angiosperm Phylogeny Group and the Angiosperm Phylogeny Web.

Canna (plant)

Cannacannasachira
Additionally most of the horticultural bulbs, plants cultivated for their blooms, such as lilies, daffodils, irises, amaryllis, cannas, bluebells and tulips, are monocots.
The APG II system of 2003 assigns it to the clade commelinids, in the monocots.

Narcissus (plant)

Narcissusdaffodildaffodils
Additionally most of the horticultural bulbs, plants cultivated for their blooms, such as lilies, daffodils, irises, amaryllis, cannas, bluebells and tulips, are monocots.
Like many monocotyledons, the perianth is homochlamydeous, that is undifferentiated into separate calyx (sepals) and corolla (petals), but rather has six tepals.

Lilioid monocots

lilioid monocotpetaloid monocotslilioid
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
Lilioid monocots (lilioids, liliid monocots, petaloid monocots, petaloid lilioid monocots) is an informal name used for a grade (grouping of taxa with common characteristics) of five monocot orders (Petrosaviales, Dioscoreales, Pandanales, Liliales and Asparagales) in which the majority of species have flowers with relatively large, coloured tepals.

Poaceae

grassturfgrass family
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales). About half as many species belong to the true grasses (Poaceae), which are economically the most important family of monocots.
Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses, commonly referred to collectively as grass.

Pandanales

Cyclanthales
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
Pandanales (pandans or screw-pines) is the botanical name for an order of flowering plants placed in the monocot clade in the Angiosperm Phylogeny Group and Angiosperm Phylogeny Web systems.

Arecaceae

palmpalm treepalms
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae). Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales). Although largely herbaceous, some arboraceous monocots reach great height, length and mass. The latter include agaves, palms, pandans, and bamboos.
Their growth form can be climbers, shrubs, trees and stemless plants, all commonly known as palms. Those having a tree form are colloquially called palm trees. They are flowering plants, a family in the monocot order Arecales.

Bromeliaceae

Bromeliadbromeliadsbromeliad family
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae). Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
The Bromeliaceae (the bromeliads) are a family of monocot flowering plants of 51 genera and around 3475 known species native mainly to the tropical Americas, with a few species found in the American subtropics and one in tropical west Africa, Pitcairnia feliciana.

Poales

Graminales
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
The Poales are a large order of flowering plants in the monocotyledons, and includes families of plants such as the grasses, bromeliads, and sedges.

Seed

seedsseed coatkernel
Monocotyledons, commonly referred to as monocots, (Lilianae sensu Chase & Reveal) are flowering plants (angiosperms) whose seeds typically contain only one embryonic leaf, or cotyledon.
The cotyledons, the seed leaves, attached to the embryonic axis. There may be one (Monocotyledons), or two (Dicotyledons). The cotyledons are also the source of nutrients in the non-endospermic dicotyledons, in which case they replace the endosperm, and are thick and leathery. In endospermic seeds the cotyledons are thin and papery. Dicotyledons have the point of attachment opposite one another on the axis.

Orchidaceae

orchidorchidsorchid family
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales). The largest family in this group (and in the flowering plants as a whole) by number of species are the orchids (family Orchidaceae), with more than 20,000 species.
Like most monocots, orchids generally have simple leaves with parallel veins, although some Vanilloideae have reticulate venation.

Acorus

Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
Acorus is a genus of monocot flowering plants.

Pandanus

pandanscrewpinescrew pine
Although largely herbaceous, some arboraceous monocots reach great height, length and mass. The latter include agaves, palms, pandans, and bamboos.
Pandanus is a genus of monocots with some 750 accepted species.

Agave

magueyagavesAgave (Pita) Americana
Although largely herbaceous, some arboraceous monocots reach great height, length and mass. The latter include agaves, palms, pandans, and bamboos.
Agave (, UK also, Anglo-Hispanic: ) is a genus of monocots native to the hot and arid regions of Mexico and the Southwestern United States.

Bamboo

bamboosbamboo forestbamboo shoots
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales). Although largely herbaceous, some arboraceous monocots reach great height, length and mass. The latter include agaves, palms, pandans, and bamboos. These include not only major grains (rice, wheat, maize, etc.), but also forage grasses, sugar cane, and the bamboos.
The absence of secondary growth wood causes the stems of monocots, including the palms and large bamboos, to be columnar rather than tapering.

Seagrass

sea grassseagrass meadowseagrasses
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
There are 60 species of fully marine seagrasses which belong to four families (Posidoniaceae, Zosteraceae, Hydrocharitaceae and Cymodoceaceae), all in the order Alismatales (in the class of monocotyledons).

Araceae

aroidaroidsarum
Monocot diversity includes perennial geophytes such as ornamental flowers including (orchids (Asparagales), tulips and lilies) (Liliales), rosette and succulent epiphytes (Asparagales), mycoheterotrophs (Liliales, Dioscoreales, Pandanales), all in the lilioid monocots, major cereal grains (maize, rice, barley, rye and wheat) in the grass family and forage grasses (Poales) as well as woody tree-like palm trees (Arecales), bamboo, reeds and bromeliads (Poales), bananas and ginger (Zingiberales) in the commelinid monocots, as well as both emergent (Poales, Acorales) and aroids, as well as floating or submerged aquatic plants such as seagrass (Alismatales).
The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix.

Musaceae

banana familybanana and plantainbananas
Other economically important monocot crops include various palms (Arecaceae), bananas and plantains (Musaceae), gingers and their relatives, turmeric and cardamom (Zingiberaceae), asparagus (Asparagaceae), pineapple (Bromeliaceae), water chestnut (Cyperaceae), and leeks, onion and garlic (Amaryllidaceae).
The APG III system, of 2009 (unchanged from the APG system, 1998), assigns Musaceae to the order Zingiberales in the clade commelinids in the monocots.