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Magnoliopsida. Magnoliopsida is a valid botanical name for a class of flowering plants. [1] By definition the class will include the family Magnoliaceae, but its circumscription can otherwise vary, being more inclusive or less inclusive depending upon the classification system being discussed. Magnolia flowers.
Dicotyledon. Magnoliatae Takht. [1] 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. The name refers to one of the typical characteristics of the group: namely, that the seed has two embryonic leaves or cotyledons.
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Magnoliopsida. Definition noun (plant taxonomy) A taxonomic class comprised of the dicotyledonous plants, according to the Takhtajan system and the Cronquist system of flowering plant classification Supplement The flowering plants (angiosperms) that make up the division Magnoliophyta may be grouped into two major plant groups: Dicotyledoneae (or Magnoliopsida) and Monocotyledonae (or Liliopsida).
The remaining dicots (palaeodicots) may be kept in a single paraphyletic class, called Magnoliopsida, or further divided. The following lists are of the orders formerly placed in the dicots, giving their new placement in the Angiosperm Phylogeny Group System (APG-system) and that under the older Cronquist system, which is still in wide use.
- MagnoliopsidaBrongniart
- Plantae
- Magnoliophyta
The present classification of extant flowering plants (Magnoliopsida) updates and revises those presented previously by bringing together the vast majority of new information published since 1999. The extant members of Magnoliopsida are subdivided into 12 subclasses, 35 superorders, 87 orders, 40 suborders, 472 families, and 400 subfamilies. The number of genera and species for each accepted ...
- Robert F. Thorne, James L. Reveal, James L. Reveal
- 2007
Dicotyledonous plants (Class Magnoliopsida) are thought to be the most primitive flowering plants. They are defined by several characteristics. Similar to gnetophytes, all dicots germinate producing two seed leaves, hence dicotyledons. All dicots have other similar characteristics.
The extant members of Magnoliopsida are subdivided into 12 subclasses, 35 superorders, 87 orders, 40 suborders, 472 families, and 400 subfamilies. The number of genera and species for each accepted taxon is indicated, along with a
