| Opuntia robusta var. robusta is a perennial shrubby cactus with a poorly defined trunk made up of thick, orbicular, bluish-green cladodes. |
| Arabica has historically been prized for its mild, rich taste, whereas robusta tends to be much harsher. |
| He differentiated his new species from S. robusta by its more numerous costae on the shell flanks. |
| Other species are C. robusta, now reclassified as C. canephora, and a couple of minor ones suited to the climate of W. Africa. |
| Grevillea robusta contains similar phenolic compounds to that of poison ivy. |
| There are two general types of coffee beans, arabica and robusta, which yield two very different beans. |
