''Mitragyna'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of trees in the family

Rubiaceae The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules ...

found in the tropical and subtropical regions of Asia and Africa. Members of this genus contain antimalarial and

analgesic An analgesic drug, also called simply an analgesic (American English), analgaesic (British English), pain reliever, or painkiller, is any member of the group of drugs used to achieve relief from pain (that is, analgesia or pain management). It ...

indole alkaloids. The Rubiacae are the fifth-largest family of flowering plants by number of genera, and the fourth- or fifth-largest by number of species.

Species

The Plant List The Plant List was a list of botanical names of species of plants created by the Royal Botanic Gardens, Kew and the Missouri Botanical Garden and launched in 2010. It was intended to be a comprehensive record of all known names of plant species ...

includes these accepted species:The Plant List: ''Mitragyna'' (accessed 2/7/2017)
/ref> * '' Mitragyna diversifolia'' (Wall. ex G.Don) Havil. (synonym: ''M. javanica'') * ''

Mitragyna hirsuta ''Mitragyna'' is a genus of trees in the family Rubiaceae found in the tropical and subtropical regions of Asia and Africa. Members of this genus contain antimalarial and analgesic indole alkaloids. The Rubiacae are the fifth-largest family of f ...

'' Havil. * '' Mitragyna inermis'' (Willd.) Kuntze * ''

Mitragyna parvifolia ''Mitragyna parvifolia'' is a tree species found in Asia, native to India and Sri Lanka. ''Mitragyna'' species are used medicinally and for their fine timber throughout the areas where they grow. ''M. parvifolia'' reaches heights of 50 feet ...

'' (Roxb.) Korth. * '' Mitragyna rotundifolia'' (Roxb.) Kuntze * ''

Mitragyna speciosa ''Mitragyna speciosa'' (commonly known as kratom, an herbal leaf from a tree of the Rubiaceae family, ) is a tropical evergreen tree in the coffee family native to Southeast Asia. It is indigenous to Thailand, Indonesia, Malaysia, Myanma ...

'' ( Korth.) Havil. * '' Mitragyna tubulosa'' (Arn.) Kuntze Mitragyna inermis

* ''Mitragyna ciliata'' and ''Mitragyna ledermannii'' are synonyms of '' Fleroya ledermannii'' (K.Krause) Y.F.Deng, * ''Mitragyna stipulosa'' is a synonym of '' Fleroya stipulosa'' (DC.) Y.F.Deng.

References

External links

Kratom
(Mitragyna Speciosa) * Rubiaceae genera Naucleeae {{Cinchonoideae-stub