| Name |
Pronunciation |
Meaning |
| clematitis | klem-ma-TY-tiss | Connected to clematis, an ancient Greek name for vine or twig |
| arnottianus | ar-not-ee-AH-nus | Named for George Arnold Walker-Arnott, 19th century Scottish botanist and Professor of Botany at Glasgow University |
| Pyrethrum | py-REE-thrum | From the Greek pyr (fire), referring to the supposed ability of this plant to drive out fever by stimulating saliva (hence the Latin alternative, salivaris) |
| ptarmiciflorum | tar-mik-ih-FLOR-um | Induces sneezing |
| evansiana | ev-vanz-zee-AH-nuh | Named for Thomas Evans, early 19th century English botanist, who collected plants in Malay |
| agrippinum | ag-rip-ee-num | Named after Agrippina, the mother of the Emperor Nero |
| nasturtium-aquaticum | nas-STUR-shum a-KWA-ti-kum | From the Latin nasus tortus (twisted nose, referring to its taste) and aquaticum, referring to its natural habitat |
| Sisymbrium | sis-SIM-bree-um | Ancient Greek name for various plants |
| farreri | far-REY-ree | Named for Reginald John Farrer, early 20th century English plant hunter, botanist and author |
| abbreviata | ab-bree-vee-AY-tuh | Shortened; abbreviated |
| abbreviatum | ab-bree-vee-AY-tum | Shortened; abbreviated |
| abbreviatus | ab-bree-vee-AY-tus | Shortened; abbreviated |
| aberconwayi | ab-er-KON-way-eye | Named for Henry Duncan McLaren, 2nd Baron Aberconway and President of the RHS in the early 20th century |
| aberrans | AB-ber-ranz | Abberant; deviating from the norm |
| abietina | ay-bee-TY-nuh | Resembling Abies (fir tree) |
| abrotanifolia | ab-ro-tan-ih-FOH-lee-uh | Having foliage resembling Southernwood (Artemisia abrotanum; species name is from the Greek habrótonon) |
| abrotanifolium | ab-ro-tan-ih-FOH-lee-um | Having foliage resembling Southernwood (Artemisia abrotanum; species name is from the Greek habrótonon) |
| abrotanifolius | ab-ro-tan-ih-FOH-lee-us | Having foliage resembling Southernwood (Artemisia abrotanum; species name is from the Greek habrótonon) |
| lilioasphodelus | lil-ee-oh-as-foh-DEL-us | Combination of lily and asphodelus, a lily-like plant whose roots were eaten |
