| Name | Pronunciation | Meaning |
| subsimilis | sub-SIM-il-is | Somewhat similar, nearly similar |
| ulei | YOO-lee-eye | In honor of 20th century German botanist Ernst Heinrich Georg Ule |
| barbeyana | bar-bee-AY-nuh | In honor of 20th century Swiss botanist William Barbey |
| barbeyanum | bar-bee-AY-num | In honor of 20th century Swiss botanist William Barbey |
| barbeyanus | bar-bee-AY-nus | In honor of 20th century Swiss botanist William Barbey |
| nudata | noo-DAY-ta | Naked, without leaves |
| nudatum | noo-DAY-tum | Naked, without leaves |
| nudatus | noo-DAY-tus | Naked, without leaves |
| clystocarpus | kly-stoh-KAR-pus | Beautiful fruit |
| norvegica | nor-VEG-ee-kuh | Of or from Norway |
| norvegicum | nor-VEG-ee-kum | Of or from Norway |
| norvegicus | nor-VEG-ee-kus | Of or from Norway |
| piluliferum | pil-loo-LEE-fer-um | Bearing globules or small balls |
| piluliferus | pil-loo-LEE-fer-us | Bearing globules or small balls |
| australiana | oss-tra-lee-AY-nuh | From the Latin australis (southern) |
| australianum | oss-tra-lee-AY-num | From the Latin australis (southern) |
| australianus | oss-tra-lee-AY-nus | From the Latin australis (southern) |
| howelliae | how-EL-ee-ay | Named for Thomas Howell, 19th century pioneer plant collector in the Pacific Northwest (U.S.) |
| howellianum | how-el-ee-AY-num | Named for Thomas Howell, 19th century pioneer plant collector in the Pacific Northwest (U.S.) |
| pseudodeminuta | soo-doh-dee-MIN-yoo-tuh | False, for the resemblance to Rebuita deminuta |
| deminuta | dee-MIN-yoo-tuh | Small, reduced, diminutive; small sized plants |
| deminutum | dee-MIN-yoo-tum | Small, reduced, diminutive; small sized plants |
| deminutus | dee-MIN-yoo-tus | Small, reduced, diminutive; small sized plants |
| spegazziniana | speg-uh-zin-ee-AY-nuh | Named for 20th century Italian-born Argentinian botanist Carlo Luigi Spegazzini |
| spegazzinianum | speg-uh-zin-ee-AY-num | Named for 20th century Italian-born Argentinian botanist Carlo Luigi Spegazzini |
| spegazzinianus | speg-uh-zin-ee-AY-nus | Named for 20th century Italian-born Argentinian botanist Carlo Luigi Spegazzini |
| heliosperma | hee-lee-oh-SPER-muh | From the Greek helios (sun) and sperma (seed) |
| leucoclada | loo-ko-KLAD-uh | From the Greek leukos (white) and klados (branch) |
| leucocladum | loo-ko-KLAD-um | From the Greek leukos (white) and klados (branch) |
| leucocladus | loo-ko-KLAD-us | From the Greek leukos (white) and klados (branch) |
| millotii | 1: For Professor J. Millot, 20th century French zoologist and director of the Institut de Recherche Scientifique, Madagascar
2: mil-LOT-ee-eye | For Monsieur Millot, 20th century professor at the Natural History Museum in Paris |
| andongensis | an-don-EN-sis | Of or from Pungo Andongo, Angola |
| andongense | an-don-EN-see | Of or from Pungo Andongo, Angola |
| namibensis | nam-ih-BEN-sis | Of or from the Namib Desert in SW Africa |
| namibense | nam-ih-BEN-see | Of or from the Namib Desert in SW Africa |
| sladeniana | slay-den-ee-AY-nuh | For late 19th century British naturalist William Percy Sladen |
| sladenianum | slay-den-ee-AY-num | For late 19th century British naturalist William Percy Sladen |
| sladenianus | slay-den-ee-AY-nus | For late 19th century British naturalist William Percy Sladen |
| sladenii | slay-DEN-ee-eye | For late 19th century British naturalist William Percy Sladen |
| sinospinosa | sy-no-spin-OH-suh | Sino (China) and spinosa (spined or with spines) |
| manginii | man-GIN-ee-eye | For Louis Mangin, 20th century professor at the Natural History Museum of Paris |
| massoniana | mas-soh-nee-AY-nuh | Named after the British gardener Francis Masson (1741-1805) |
| massonianus | mas-soh-nee-AY-nus | Named after the British gardener Francis Masson (1741-1805) |
| cuzcoensis | kuz-koh-EN-sis | Of or from Cuzco, Peru |
| cuzcoense | kuz-koh-EN-see | Of or from Cuzco, Peru |
| tacaquirensis | tak-uh-kwee-REN-sis | Of or from Tacaquira, Bolivia |
| tacaquirense | tak-uh-kwee-REN-see | Of or from Tacaquira, Bolivia |
| Bulnesia | bul-NEE-zee-uh | Named for 19th century Chilean political figure Manuel Bulnes |
| adansonii | ad-an-SOH-nee-eye | Named for Michel Adanson, 18th century French surgeon, botanist and naturalist |
| adansonianum | ad-an-soh-nee-AY-num | Named for Michel Adanson, 18th century French surgeon, botanist and naturalist |
| cardiosperma | kar-dee-oh-SPER-muh | From the Greek kardia, (heart) and sperma, (seed), referring to the heart-shaped white spot that marks each of the black seeds |
| cardiospermus | kar-dee-oh-SPER-mus | From the Greek kardia, (heart) and sperma, (seed), referring to the heart-shaped white spot that marks each of the black seeds |
| chaffeyi | KAF-fee-eye | For 20th century American plant collector Dr. Elswood Chaffey |
| chavena | kav-EE-nuh | From the Mexican vernacular name Chaveņa or Chaveņo |
| chisosensis | kis-oh-SEN-sis | Of or from the Chisos Mountains, Big Bend National Park, Texas USA |
| chisoensis | kis-oh-EN-sis | Of or from the Chisos Mountains, Big Bend National Park, Texas USA |
| saxicolum | saks-ee-KOH-lum | Rock-dweller |
| saxicolus | saks-ee-KOH-lus | Rock-dweller |
| cochabambensis | koka-bam-BEN-sis | Of or from Dept. Cochabama, Bolivia |
| cochabambense | koka-bam-BEN-see | Of or from Dept. Cochabama, Bolivia |
