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The monocots or monocotyledons have, as the name implies, a single (mono-) cotyledon, or embryonic leaf, in their seeds.Historically, this feature was used to contrast the monocots with the dicotyledons or dicots which typically have two cotyledons; however, modern research has shown that the dicots are not a natural group, and the term can only be used to indicate all angiosperms that are not ...
The monocots (or monocotyledons) are one of the two major groups of flowering plants (or Angiosperms), the other being the dicots (or dicotyledons). In order to reproduce they utilize various strategies such as employing forms of asexual reproduction, restricting which individuals they are sexually compatible with, or influencing how they are ...
Dicotyledon plantlet Young castor oil plant showing its prominent two embryonic leaves (), which differ from the adult leaves. The dicotyledons, also known as dicots (or, more rarely, dicotyls), [2] are one of the two groups into which all the flowering plants (angiosperms) were formerly divided.
Cotyledon from a Judas-tree (Cercis siliquastrum, a dicot) seedling Comparison of a monocot and dicot sprouting. The visible part of the monocot plant (left) is actually the first true leaf produced from the meristem; the cotyledon itself remains within the seed Schematic of epigeal vs hypogeal germination Peanut seeds split in half, showing the embryos with cotyledons and primordial root Two ...
A system of plant taxonomy by John Hutchinson, the Hutchinson system, was published as The families of flowering plants, arranged according to a new system based on their probable phylogeny (two volumes) in three editions; 1st edition 1926–1934; 2nd edition 1959; 3rd edition, 1973.
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Engler followed Eichler's phylogeny, placing the monocotyledons before the dicotyledons, and within the latter the Archichlamydeae before the Metachlamydeae. [7] While the groupings were largely based on those of Bentham and Hooker , the ordering was very much based on the concept of the primitive plant and those that were derived from these.