Quiz 29: Can you name this medicinal herb?

Predominantly grown around the equator on mountain sides, it is traditionally used in Chinese medicine to treat asthma and bronchial disorders, and vascular and arterial diseases. Some modern day herbalists herald its minimally oxidized leaves to aid weight loss and to help clear the liver of toxins.

If you haven’t yet guessed what plant this is, you may want to put the kettle on.

Can you name this medicinal herb? Bonus points for latin name.