Arrojadoa dinae is a species of plant in the family Cactaceae. It is endemic to Brazil. Its natural habitat is dry savanna. It is threatened by habitat loss.
| Arrojadoa dinae | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Arrojadoa |
| Species: | A. dinae |
| Binomial name | |
| Arrojadoa dinae Buining & Brederoo | |
The main threats are deforestation for Eucalyptus plantations used for charcoal production. Collection ofthe plant and fires can impact on its reproductive capacity.