| Quillaja | |
|---|---|
 | |
| Quillaja saponaria | |
Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Quillajaceae |
| Genus: | Quillaja Molina |
| Species | |
See text | |
 | |
| Distribution of the Quillajaceae | |
| Synonyms | |
FontenelleaA.St.-Hil. &Tul. | |
Quillaja is a genus offlowering plants, the only extant genus in the family Quillajaceae with two or three known species.[1] It was once thought to be in therose family,Rosaceae,[2] but recent research shows it belongs in its own family. The inner bark of the soap bark tree (Q. saponaria) containssaponin, which is a naturalsoap. Members of this genus aretrees that grow to about 25 metres (82 ft).
The species were revised byFederico Luebert in 2014:[3]
| Image | Name | Distribution |
|---|---|---|
 | Quillaja brasiliensis(A.St.-Hil. &Tul.)Mart. | Brazil |
 | Quillaja saponariaMolina | central Chile in the forests of La Campana National Park and Cerro La Campana |