Schisandraceae
Encyclopedia
Schisandraceae is the botanical name
Botanical name
A botanical name is a formal scientific name conforming to the International Code of Botanical Nomenclature and, if it concerns a plant cultigen, the additional cultivar and/or Group epithets must conform to the International Code of Nomenclature for Cultivated Plants...

 of a family of flowering plants. Such a family has been recognized by most taxonomists, at least for the past several decades. Before that, the plants concerned were assigned to family Magnoliaceae
Magnoliaceae
The Magnoliaceae, or Magnolia Family, is a flowering plant family in the order Magnoliales. It consists of two subfamilies:*Magnolioideae, of which Magnolia is the most well-known genus....

.

The APG II system
APG II system
The APG 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 Group. It was a revision of the first APG system, published in 1998, and was superseded in 2009...

, of 2003, also recognizes such a family. It places the family in order Austrobaileyales
Austrobaileyales
Austrobaileyales is the botanical name for an order of flowering plants, consisting of about 100 species of woody plants, perhaps the most famous of which is the spice star anise.- In different classifications :...

, which in turn is accepted as being among the most basic lineages in the clade angiosperms. APG II assumes this to be a family of three genera, Schisandraceae sensu lato. This family consists of woody plants, containing essential oil
Essential oil
An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants. Essential oils are also known as volatile oils, ethereal oils or aetherolea, or simply as the "oil of" the plant from which they were extracted, such as oil of clove...

s.

However, APG II does allow the option of segregating the genus Illicium
Illicium
Illicium is a genus of flowering plants containing 42 species of evergreen shrubs and small trees, in family Schisandraceae. The species are native to the tropical and subtropical regions of eastern and southeastern Asia, southeastern North America, and the West Indies.Selected species*Illicium...

as the family Illiciaceae
Illiciaceae
Illiciaceae is the botanical name of a family of flowering plants. The family has been recognized by most taxonomists, at least for the past several decades....

. This leaves only two genera in this family, Schisandraceae sensu stricto. This consists of Schisandra
Schisandra
Schisandra is a genus of shrub commonly grown in gardens. It is a hardy deciduous climber which thrives in virtually any soil; its preferred position is on a sheltered shady wall. It may be propagated by taking cuttings of half-matured shoots in August. Species include S. chinensis, S....

and Kadsura
Kadsura
Kadsura is a genus of angiosperms in the Schisandraceae family.- Species :* Kadsura chinensis* Kadsura coccinea* Kadsura grandiflora* Kadsura heteroclita* Kadsura japonica* Kadsura longepedunculata* Kadsura oblongifolia...

, totalling several dozen species, found in tropical to temperate regions of East
East Asia
East Asia or Eastern Asia is a subregion of Asia that can be defined in either geographical or cultural terms...

 and Southeast Asia
Southeast Asia
Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...

 and the Caribbean
Caribbean
The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...

.

The APG system
APG system
The APG system of plant classification is the first, now obsolete, version of a modern, mostly molecular-based, system of plant taxonomy that was published in 1998 by the Angiosperm Phylogeny Group. It was superseded in 2003 by a revision, the APG II system, and then in 2009 by a further...

, of 1998, recognized both the families Schisandraceae sensu stricto and Illiciaceae, unplaced as to order. It regarded both families as being among the most basic lineages in the clade angiosperms.

The Cronquist system
Cronquist system
The Cronquist system is a taxonomic classification system of flowering plants. It was developed by Arthur Cronquist in his texts An Integrated System of Classification of Flowering Plants and The Evolution and Classification of Flowering Plants .Cronquist's system places flowering plants into two...

, of 1981, treated the plants in the family (in its wider sense) as two separate families, which together constituted
the order Illiciales
Illiciales
Illiciales is the botanical name of an order of flowering plants. The order is not recognized by all plant taxonomists and is comprised differently in various systems of plant taxonomy, but is composed of 2-4 families of shrubs, trees, and lianas native to Australasia, south eastern Asia, and the...

,
in subclass Magnoliidae
Magnoliidae
Magnoliids are a group of about 9,000 species of flowering plants, including magnolias, nutmeg, bay laurel, cinnamon, avocado, black pepper, and many others. They are characterized by trimerous flowers, pollen with one pore, and usually branching-veined leaves.-Classification:Traditionally,...

,
in class Magnoliopsida
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 classification system being discussed.-Cronquist and...

 [=dicotyledons],
of division Magnoliophyta [=angiosperms].

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