Wormwood, also known as sweet wormwood, sweet annie, sweet sagewort, annual mugwort or annual wormwood. In TCM it is Qing Hao. The latin name is artemisia annua.
A December 2016 study found that, “A centuries-old herbal medicine, discovered by Chinese scientists and used to effectively treat malaria, has been found to potentially aid in the treatment of tuberculosis and may slow the evolution of drug resistance.”
In fact, wormwood is well known not just within the TCM system but also in western natural medicine and Unani Tibb.
Menzies-Trull, in "The Herbalist's Prescriber" says it is an anti-infective with cautions for diarrhoea, headache and tinnitus.
Robert Thomson, in “The Grosset Encyclopedia of Natural Medicine” (1980), says, of wormwood (artemisia absinthium), “The tops and leaves are used as a tonic, a stomachic, a stimulant febriluge, an anthelmintic, and a narcotic … it is a first-rate treatment of enfeebled digestion and debility … It is also treated for [amongst other things] loss of appetite … diabetes … obstinate diarrhoea.”