plant used for medicine leichhardt tree Nauclea orientalis (L.) L. Nauclea orientalis is a species of tree in the *Rubiaceae* family, native to Southeast Asia, New Guinea, and Australia. *Nauclea orientalis* is known under the common names Leichhardt tree, cheesewood, yellow cheesewood, and canary cheesewood. [https://en.wikipedia.org/wiki/Nauclea_orientalis] canary cheesewood cheesewood leichhardt-tree nauclea orientalis yellow cheesewood requires discussion