Mitragyna speciosa Korth. frequently referred to as kratom, is really a tropical evergreen tree while in the coffee family (Rubiaceae) indigenous to Southeast Asia inside the Indochina and Malaysia phytochoria (botanical regions). M. speciosa is indigenous to Thailand, Indonesia, and Malaysia, Myanmar, and Papua New Guinea the place it's been utilised in standard drugs given that a minimum of the nineteenth century. Kratom has some opiate and stimulant like houses.
Mitragyna speciosa is surely an evergreen tree that may expand into a height of twenty five m (82 ft) tall as well as the trunk may possibly increase into a 0.nine m (3 ft) diameter. The trunk is mostly straight and also the outer bark is easy and gray. The leaves are dim eco-friendly and glossy, and might develop to more than 14-20 cm (5.5-7.nine in) long and 7-12 cm (two.8-4.7 in) extensive when fully open up, are ovate-acuminate in condition, and reverse in development sample, with 12-17 pairs of veins. The flowers develop in clusters of 3 at the ends on the branches. The calyx-tube is two mm (0.079 in) prolonged and it has 5 lobes; the corolla-tube is 2.5-3 millimetres (0.098-0.118 in) prolonged.