Magnoliid
| Magnoliids | |
|---|---|
 |
|
| Flower of Asimina triloba | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Magnoliids |
| Orders | |
Canellales
Laurales
Magnoliales
Piperales
Magnoliids (or Magnoliidae or Magnolianae) are a group of flowering plants. Until recently, the group included about 9,000 species, including magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, tulip tree and many others. That group is characterized by trimerous flowers, pollen with one pore, and usually branching-veined leaves. More recently, "Magnoliidae", but not "magnoliids" is used for the entire group of flowering plants, and the formal name for the smaller group is "Magnolianae".
"Magnoliidae" is the botanical name of a subclass, and "magnoliids" is an informal name that does not conform to the International Code of Nomenclature for algae, fungi, and plants. The of a subclass will vary with the taxonomic system being used. The only requirement is that it must include the family Magnoliaceae. The informal name "magnoliids" is used by some researchers to avoid the confusion that recently surrounds the name "Magnoliidae". More recently, the group has been redefined under the PhyloCode as a node-based clade comprising the Canellales, Laurales, Magnoliales, and Piperales.
The APG III (2009) and its predecessor systems did not originally use formal botanical names above the rank of order. Under those systems, larger clades were usually referred to by informal names, such as "magnoliids" (plural, not capitalized) or "magnoliid complex". The formal name in Linnean nomenclature was specified in a separate APG publication as the existing name "Magnolianae" Takht. (1967). The APG III recognizes a clade within the angiosperms for the magnoliids. The circumscription is:
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