Polygala tenuifolia
| Polygala tenuifolia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Rosids | 
| Order: | Fabales | 
| Family: | Polygalaceae | 
| Genus: | Polygala | 
| Species: | P. tenuifolia  | 
| Binomial name | |
| Polygala tenuifolia | |
Polygala tenuifolia (yuǎn zhì; Chinese: 远志) is an herb in the family Polygalaceae which is hardy to USDA Zone 6.