Pterocarpus marsupium

Pterocarpus marsupium, also known as Malabar kino or Indian kino, is a medium-to-large, deciduous tree that can grow up to tall. It is native to India, Nepal, and Sri Lanka.

Phytochemistry

Pterocarpus marsupium contains 2,3,6-trimethyl-1,4-naphthoquinone, which, in vitro, is a reversible monoamine [oxidase inhibitor] occurring in tobacco leaf, and may cause skin, eye and respiratory irritation.