Aristeguietia gayana, or asmachilca, is a bush that grows up to 1 meter in height. It grows in the west-facing mountainsides and interandean valleys between 3600–4000 meters in altitude.
| Aristeguietia gayana | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Aristeguietia |
| Species: | A. gayana
|
| Binomial name | |
| Aristeguietia gayana | |
| Synonyms[1] | |
|
Eupatorium gayanum Wedd. | |
Asmachilca is only found in Peru. It was traditionally used by the Incas for respiratory system complaints.[citation needed] Today, it is used in cooking, but tea is the most common preparation.