Monocotyledon
clade of flowering plants
Monocotyledons (), commonly referred to as monocots (Lilianae sensu Chase & Reveal), are flowering plants whose seeds contain only one embryonic leaf, or cotyledon. A monocot taxon has been in use for several decades, but with various ranks and under several different names. The APG IV system recognises its monophyly but does not assign it to a taxonomic rank, and instead uses the term "monocots" to refer to the group.
Monocotyledons are contrasted with the dicotyledons, which have two cotyledons. Unlike the monocots however, the dicots are not monophyletic and the two cotyledons are instead the ancestral characteristic of all flowering plants. Botanists now classify dicots into the eudicots ("true dicots") and several basal lineages from which both the eudicots and monocots emerged.
The monocots are extremely important economically, culturally, and ecologically, and make up a majority of plant biomass used in agriculture. Common crops such as dates, onions, garlic, rice, wheat, maize, and sugarcane are all monocots. The grasses alone cover over 40% of Earth's land area and contribute a significant portion of the human diet. Orchids, tulips, daffodils, and lilies are among the common houseplants belonging to the monocot group.
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This entry incorporates text from “Monocotyledon” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.