Mitragyna speciosa Korth. frequently generally known as kratom, is actually a tropical evergreen tree within the espresso loved ones (Rubiaceae) indigenous to Southeast Asia inside the Indochina and Malaysia phytochoria (botanical locations). M. speciosa is indigenous to Thailand, Indonesia, and Malaysia, Myanmar, and Papua New Guinea exactly where it has been utilised in conventional drugs because at least the nineteenth century. Kratom has some opiate and stimulant like qualities.
Mitragyna speciosa is an evergreen tree that may develop into a top of 25 m (eighty two ft) tall and the trunk could expand to a 0.nine m (3 ft) diameter. The trunk is usually straight and also the outer bark is clean and grey. The leaves are dark green and shiny, and might grow to above 14-20 cm (five.5-7.nine in) long and 7-12 cm (two.8-4.7 in) extensive when fully open, are ovate-acuminate in form, and opposite in expansion sample, with 12-17 pairs of veins. The bouquets grow in clusters of a few with the finishes from the branches. The calyx-tube is two mm (0.079 in) long and it has 5 lobes; the corolla-tube is 2.5-3 millimetres (0.098-0.118 in) lengthy.