Castela emoryi
| Castela emoryi | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Eudicots | 
| Clade: | Rosids | 
| Order: | Sapindales | 
| Family: | Simaroubaceae | 
| Genus: | Castela | 
| Species: | C. emoryi | 
| Binomial name | |
| Castela emoryi | |
| Synonyms | |
| Holacantha emoryi A. Gray | |
Castela emoryi, with the common names crucifixion thorn, Emory's crucifixion-thorn, and Spanish: chaparro amargosa, is a shrub species in the genus Castela of the family Simaroubaceae.