Mitragyna speciosa Korth. commonly referred to as kratom, can be a tropical evergreen tree inside the espresso household (Rubiaceae) native to Southeast Asia within the Indochina and Malaysia phytochoria (botanical regions). M. speciosa is indigenous to Thailand, Indonesia, and Malaysia, Myanmar, and Papua New Guinea exactly where it's been utilized in classic medication since at the very least the nineteenth century. Kratom has some opiate and stimulant like properties.
Mitragyna speciosa is undoubtedly an evergreen tree that could grow into a top of twenty five m (82 ft) tall along with the trunk may possibly grow to your 0.nine m (3 ft) diameter. The trunk is mostly straight as well as the outer bark is smooth and grey. The leaves are darkish eco-friendly and shiny, and might expand to above 14-20 cm (five.5-7.9 in) long and 7-12 cm (two.8-4.7 in) vast when entirely open up, are ovate-acuminate in condition, and opposite in development pattern, with 12-17 pairs of veins. The flowers expand in clusters of a few with the finishes from the branches. The calyx-tube is two mm (0.079 in) long and has 5 lobes; the corolla-tube is two.5-3 millimetres (0.098-0.118 in) lengthy.