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Piperales is an order of flowering plants (4,170 recognized species). It necessarily includes the family Piperaceae but other taxa have been included or disincluded variously over time. Well-known plants which may be included in this order include black pepper, kava, Saururaceae, lizard's tail, Aristolochia, birthwort, and Asarum, wild ginger.


Classification


APG system

In the APG IV system, of 2016, this order is placed in the clade magnoliids and is circumscribed as follows: *order Piperales *: family Aristolochiaceae (including Asaraceae, Hydnoraceae and Lactoridaceae) *: family Piperaceae *: family Saururaceae This is an expansion from the APG system, 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, of 1981, placed the order in the subclass Magnoliidae sensu Cronquist, Magnoliidae of class Magnoliopsida [=dicotyledons] and used this circumscription: * order Piperales *: family Chloranthaceae *: family Piperaceae *: family Saururaceae The Engler system, in its update of 1964, placed the order in subclassis Archichlamydeae in class Dicotyledoneae [=dicotyledons] and used this circumscription: * order Piperales *: family Chloranthaceae *: family Lactoridaceae *: family Piperaceae *: family Saururaceae The Wettstein system, 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 Piperales, Angiosperm orders