| Koji orange | |
|---|---|
| |
| Koji orange fruits | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Rutaceae |
| Genus: | Citrus |
| Species: | C. leiocarpa
|
| Binomial name | |
| Citrus leiocarpa | |
| Forms | |
| |
| Synonyms | |
Koji orange (Citrus leiocarpa), also known as the smooth-fruited orange, is a Citrus species native to Japan.[1] The specific epithet (leiocarpa) comes from the Greek λεῖος leîos 'smooth', and καρπός karpós 'fruit'. It is a taxonomical synonym of Citrus aurantium.[2]