Mitragyna

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.

Species
, Plants of the World Online accepted the following species:
 * Mitragyna ciliata Aubrév. & Pellegr.
 * Mitragyna diversifolia (Wall. ex G.Don) Havil.
 * Mitragyna hirsuta Havil.
 * Mitragyna inermis (Willd.) Kuntze
 * Mitragyna parvifolia (Roxb.) Korth.
 * Mitragyna rotundifolia (Roxb.) Kuntze
 * Mitragyna rubrostipulata (K.Schum.) Havil.
 * Mitragyna speciosa (Korth.) Havil.
 * Mitragyna stipulosa (DC.) Kuntze
 * Mitragyna tubulosa (Arn.) K.Schum.