A plant or other substance that cools the body and eases fever.

A semi-solid plant substance typically with antimicrobial properties that is soluble in alcohol, but not in water. Amber and pine pitch are examples.

An herb that restores balance and strength to the body and its systems.

An underground stem from which roots and shoots grow. The rhizomes of ginger and turmeric, for example, are used in herbalism.

An herb that stimulates blood flow to the skin, causing local redness.