English Name: half-spreading ironweed
Literal Translation: “double willow yellow”
Pharmaceutical Name: Herba Vernoniae Patulae
Medica Category: Wind-Heat Releasing Herbs
Properties: Shuang Liu Huang enters the Lung and Large Intestine channels; it is bitter in nature and neutral in temperature.
The Chinese Herb Shuang Liu Huang is the dried aerial parts of the half-spreading ironweed (Vernonia patula Merr.), a flowering perennial native to Southeast Asia (in the Asteracae family).
Shuang Liu Huang dispels wind-heat and treats headaches. It also stops diarrhea and is often added to formulas to treat traveler’s diarrhea or dysentery.