Calea zacatechichi (Dreamherb)
Is a species of the aster family, Asteraceae. It is native to Central America and Mexico.
It is also named Thepelakano (leaves of God), bitter-grass, Mexican Calea and dream herb.
In Mexico is is used as a herbal remedy for fever, and dysentery.
It can also be used to treat asthma and diarrhea. The Mixe people use it for fever and stomachache.