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Piperales is an order of
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
s (4,170 recognized species). It necessarily includes the 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'' ...
but other taxa have been included or disincluded variously over time. Well-known plants which may be included in this order include
black pepper Black pepper (''Piper nigrum'') is a flowering vine in the family Piperaceae, cultivated for its fruit, known as a peppercorn, which is usually dried and used as a spice and seasoning. The fruit is a drupe (stonefruit) which is about in di ...
,
kava Kava or kava kava ('' Piper methysticum'': Latin 'pepper' and Latinized Greek 'intoxicating') is a crop of the Pacific Islands. The name ''kava'' is from Tongan and Marquesan, meaning 'bitter'; other names for kava include ''ʻawa'' (Hawaiʻi ...
,
pepper elder ''Peperomia pellucida'' (also known by common names pepper elder, shining bush plant, and man to man) is an annual, shallow-rooted herb, usually growing to a height of about 15 to 45 cm (6 to 18 inches), it is characterized by succulent stem ...
, lizard's tail,
birthwort ''Aristolochia'' () is a large plant genus with over 500 species that is the type genus of the family Aristolochiaceae. Its members are commonly known as birthwort, pipevine or Dutchman's pipe and are widespread and occur in the most diverse clima ...
, and wild ginger.


Classification


APG system

In the
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 publish ...
, of 2016, this order is placed 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 ang ...
and is circumscribed as follows: *order Piperales *: 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, ...
(including Asaraceae,
Hydnoraceae Hydnoroideae is a subfamily of parasitic flowering plants in the order Piperales. Traditionally, and as recently as the APG III system it given family rank under the name Hydnoraceae. It is now submerged in the Aristolochiaceae. It contains two g ...
and Lactoridaceae) *: 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 Saururaceae is a plant family comprising four genera and seven species of herbaceous flowering plants native to eastern and southern Asia and North America. The family has been recognised by most taxonomists, and is sometimes known as the "lizar ...
This is an expansion from 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 ...
, of 1998, which used the same placement (in the magnoliids) but used this circumscription: * order Piperales'' *: family Aristolochiaceae *: family Lactoridaceae *: family Piperaceae *: family Saururaceae


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) ...
, of 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 classifi ...
dicotyledons 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 ...
and used this circumscription: * order Piperales *: family
Chloranthaceae Chloranthaceae is a family of flowering plants (angiosperms), the only family in the order Chloranthales. It is not closely related to any other family of flowering plants, and is among the early-diverging lineages in the angiosperms. They are ...
*: family Piperaceae *: family Saururaceae The
Engler system One of the prime systems of plant taxonomy, the Engler system was devised by Adolf Engler (1844–1930), and is featured in two major taxonomic texts he authored or co-authored. His influence is reflected in the use of the terms "Engler School" an ...
, in its update of 1964, placed the order in subclassis Archichlamydeae in class Dicotyledoneae
dicotyledons 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 ...
and used this circumscription: * order Piperales *: family Chloranthaceae *: family Lactoridaceae *: family Piperaceae *: family Saururaceae 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, assigned the order to the Monochlamydeae in subclass Choripetalae of class Dicotyledones. It used the circumscription: * order Piperales *: family Piperaceae


References

{{Taxonbar, from=Q27287 Angiosperm orders