| Name |
Pronunciation |
Meaning |
| aureoreticulata | ar-ee-oh-ret-ik-yoo-LAY-tuh | Gold-veined |
| caperata | kap-er-AY-tuh | Wrinkled |
| caperatum | kap-er-AY-tum | Wrinkled |
| caperatus | kap-er-AY-tus | Wrinkled |
| brachybotryum | brak-ee-BOT-ree-um | From the Greek brachys (short) and botrys (grape cluster); referring to the short inflorescences |
| pauciareolata | paw-ke-ar-ee-oh-LAY-tuh | Few areoles |
| paucicostata | paw-ke-ko-STAY-tuh | Few ribs |
| oligacantha | ol-lig-uh-KAN-tha | Few spines |
| pectinifera | pek-tin-EE-fer-uh | Comb-bearing |
| haseltoniana | haz-el-ton-ee-AY-nuh | Named for Scott E. Haselton, first editor of the Cactus and Succulent Journal (from 1929 to 1965) |
| graciliflora | grass-il-ih-FLOR-uh | Having graceful, slender flowers |
| graciliflorum | grass-il-ih-FLOR-um | Having graceful, slender flowers |
| graciliflorus | grass-il-ih-FLOR-us | Having graceful, slender flowers |