The Magnoliales are an order of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants t ...

Classification

The Magnoliales include six families: *

Annonaceae The Annonaceae are a family of flowering plants consisting of trees, shrubs, or rarely lianas commonly known as the custard apple family or soursop family. With 108 accepted genera and about 2400 known species, it is the largest family in the Ma ...

(custard apple family, over 2000 species of

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from tree ...

s, and

liana A liana is a long- stemmed, woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. The word ''liana'' does not refer to a t ...

s; mostly tropical but some temperate) * Degeneriaceae (two species of trees found on Pacific islands) * Eupomatiaceae (two species of trees and shrubs found in

New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; id, Papua, or , historically ) is the world's second-largest island with an area of . Located in Oceania in the southwestern Pacific Ocean, the island is separated from Australia by the wide Torres ...

and eastern

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

) * Himantandraceae (two species of trees and shrubs, found in tropical areas in

Southeast Asia Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical south-eastern region of Asia, consisting of the regions that are situated south of mainland ...

and

) *

Magnoliaceae The Magnoliaceae () are a flowering plant family, the magnolia family, in the order Magnoliales. It consists of two genera: ''Magnolia'' and '' Liriodendron'' (tulip trees). Unlike most angiosperms, whose flower parts are in whorls (rings), t ...

(about 225 species including magnolias and tulip trees) *

Myristicaceae The Myristicaceae are a family of flowering plants native to Africa, Asia, Pacific islands, and the Americas and has been recognized by most taxonomists. It is sometimes called the "nutmeg family", after its most famous member, '' Myristica fra ...

(several hundred species including

nutmeg Nutmeg is the seed or ground spice of several species of the genus ''Myristica''. ''Myristica fragrans'' (fragrant nutmeg or true nutmeg) is a dark-leaved evergreen tree cultivated for two spices derived from its fruit: nutmeg, from its seed, an ...

)

APG system

The

APG system The APG system (Angiosperm Phylogeny Group system) of plant classification is the first version of a modern, mostly molecular-based, system of plant taxonomy. Published in 1998 by the Angiosperm Phylogeny Group, it was replaced by the improved A ...

(1998),

APG II system The APG II system (Angiosperm Phylogeny Group II system) of plant classification is the second, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in April 2003 by the Angiosperm Phylogeny Gr ...

(2003),

APG III system The APG III system of flowering plant classification is the third version of a modern, mostly molecular-based, system of plant taxonomy being developed by the Angiosperm Phylogeny Group (APG). Published in 2009, it was superseded in 2016 by a fu ...

(2009), and

APG IV system The APG IV system of flowering plant classification is the fourth version of a modern, mostly molecular-based, system of plant taxonomy for flowering plants (angiosperms) being developed by the Angiosperm Phylogeny Group (APG). It was published ...

(2016) place this order in the clade

magnoliids Magnoliids (or Magnoliidae or Magnolianae) are a clade of flowering plants. With more than 10,000 species, including magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, tulip tree and many others, it is the third-largest group of a ...

, circumscribed as follows: In these systems, published by the APG, the Magnoliales are a basal group, excluded from the

eudicots The eudicots, Eudicotidae, or eudicotyledons are a clade of flowering plants mainly characterized by having two seed leaves upon germination. The term derives from Dicotyledons. Traditionally they were called tricolpates or non-magnoliid dicot ...

Earlier systems

The

Cronquist system The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in a series of monographs and texts, including ''The Evolution and Classification of Flowering Plants'' (1968; 2nd edition, 1988) ...

(1981) placed the order in the subclass Magnoliidae of class

Magnoliopsida Magnoliopsida is a valid botanical name for a class of flowering plants. By definition the class will include the family Magnoliaceae, but its circumscription can otherwise vary, being more inclusive or less inclusive depending upon the classif ...

(=dicotyledons) and used this circumscription: * order Magnoliales ** family

** family Austrobaileyaceae ** family Canellaceae ** family Degeneriaceae ** family Eupomatiaceae ** family Himantandraceae ** family

Lactoridaceae ''Lactoris fernandeziana'' is a flowering shrub endemic to the cloud forest of ''Masatierra'' — Robinson Crusoe Island, of the Juan Fernández Islands archipelago of Chile. It is the only extant species in the genus ''Lactoris''. Taxonomy Th ...

** family

Winteraceae Winteraceae is a primitive family of tropical trees and shrubs including 93 species in five genera. It is of particular interest because it is such a primitive angiosperm family, distantly related to Magnoliaceae, though it has a much more s ...

The Thorne system (1992) placed the order in superorder

Magnolianae Magnoliids (or Magnoliidae or Magnolianae) are a clade of flowering plants. With more than 10,000 species, including magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, tulip tree and many others, it is the third-largest group of angio ...

, subclass Magnoliidae (= dicotyledons), in the class

(= angiosperms) and used this circumscription (including the plants placed in order

Laurales The Laurales are an order of flowering plants. They are magnoliids, related to the Magnoliales. The order includes about 2500-2800 species from 85-90 genera, which comprise seven families of trees and shrubs. Most of the species are tropical ...

and Piperales by other systems): * order Magnoliales ** family

Amborella ''Amborella'' is a monotypic genus of understory shrubs or small trees Endemism, endemic to the main island, Grande Terre (New Caledonia), Grande Terre, of New Caledonia in the southwest Pacific Ocean. The genus is the only member of the family ...

ceae ** family Annonaceae ** family

Aristolochiaceae The Aristolochiaceae () are a family, the birthwort family, of flowering plants with seven genera and about 400 known species belonging to the order Piperales. The type genus is ''Aristolochia'' L. Description They are mostly perennial, he ...

** family Austrobaileyaceae ** family Calycanthaceae ** family Canellaceae ** family Chloranthaceae ** family Degeneriaceae ** family Eupomatiaceae ** family Gomortegaceae ** family Hernandiaceae ** family Himantandraceae ** family Illiciaceae ** family Lactoridaceae ** family

Lauraceae Lauraceae, or the laurels, is a plant family that includes the true laurel and its closest relatives. This family comprises about 2850 known species in about 45 genera worldwide (Christenhusz & Byng 2016 ). They are dicotyledons, and occur m ...

** family Magnoliaceae ** family Monimiaceae ** family Myristicaceae ** family

Piperaceae The Piperaceae (), also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in 5 genera. The vast majority of species can be found within the two main genera: '' Piper' ...

** family Saururaceae ** family Schisandraceae ** family Trimeniaceae ** family Winteraceae The Engler system, in its update of 1964, placed the order in subclassis Archychlamydeae in class

Dicotyledoneae The dicotyledons, also known as dicots (or, more rarely, dicotyls), 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, t ...

(=dicotyledons) and used this circumscription: * order Magnoliales ** family Amborellaceae ** family Annonaceae ** family Austrobaileyaceae ** family Calycanthaceae ** family Canellaceae ** family

Cercidiphyllaceae ''Cercidiphyllum'' is a genus containing two species of plants, both commonly called katsura. They are the sole members of the monotypic family Cercidiphyllaceae. The genus is native to Japan and China and unrelated to ''Cercis'' (redbuds). D ...

** family Degeneriaceae ** family Eupomatiaceae ** family Eupteleaceae ** family Gomortegaceae ** family Hernandiaceae ** family Himantandraceae ** family Illiciaceae ** family Lauraceae ** family Magnoliaceae ** family Monimiaceae ** family Myristicaceae ** family Schisandraceae ** family Trimeniaceae ** family Tetracentraceae ** family Trochodendraceae ** family Winteraceae The

Wettstein system A system of plant taxonomy, the Wettstein system recognised the following main groups, according to Richard Wettstein's ''Handbuch der Systematischen Botanik'' (1901–1924). 3rd edition (1924) Outline Synopsis * Flagellatae p. 65 * ...

, latest version published in 1935, did not use this name although it had an order with a similar circumscription with the name Polycarpicae. This was placed in the Dialypetalae in subclass

Choripetalae Choripetalae Eichler (1876), is a descriptive botanical name used in the Eichler and Wettstein systems for a group of flowering plants. It was one of two groups within the Dicotyledones, the other being the Sympetalae. The latter have fused pet ...

of class Dicotyledones. (See also Sympetalae). From the above it will be clear that the plants included in this order by APG have always been seen as related. They have always been placed in the order Magnoliales (or a predecessor). The difference is that earlier systems have also included other plants, which have been moved to neighbouring orders (in the

) by APG.

References

{{Authority control Angiosperm orders