| Name |
Pronunciation |
Meaning |
| trinervia | try-NER-vee-uh | Three-veined |
| trinervium | try-NER-vee-um | Three-veined |
| trinervius | try-NER-vee-us | Three-veined |
| Cascabela | kas-kuh-BEL-uh | Latinized form of Cascabel, a Spanish word meaning rattle |
| Cerbera | SER-ber-uh | From the Greek cerberus, a three-headed dog in Greek mythology |
| wallichii | wall-IK-ee-eye | Named for Dr. Nathaniel Wallich, early 19th century Danish plant hunter, botanist and physician |
| Illecebrum | | enticing, charming |
| Imperatoria | | Latin for chief, leader, or emperor |
| Inga | | Latin version of the West Indian name for this plant |
| Ionopsidium | | from the Greek ion (violet) and opsis (like); these plants look like tufted violets |
| Isertia | | named for Paul Erdmann Isert (1757-1789), a German surgeon |
| Isoplexis | | from the Greek isos (equal) and pleko (to devise, contrive); the upper and lower lips of the flower are equal |
| Isopogon | | from the Greek isos (equal) and pogon (beard); the fruit is equally hairy on its surface |
| Isotrema | | from the Greek isos (equal) and trema (hole); for the regular calyx-limb around the flower |
| Ixiolirion | | from Ixia (the genus) and the Greek leirion (lily); the lily-plant resembles the genus Ixia |
| Hypocalymma | | from the Greek hypo (under) and kalymma (veil); the calyx falls like a veil or cape |
| Idesia | | named for Evert Ides, an explorer working for the Russian Czar, Peter the Great |
| Jovibarba | | from medieval Latin Jovis (Jupiter) and barba (beard) |
| Kadsura | | from the Japenese name for these plants |
| Kalmiopsis | | resembles the genus Kalmia |
| Kalopanax | | from the Greek kalos (beautiful) and Panax (the genus of ginseng) |
| Kelseya | | named for Harlan P. Kelsey (1872-1958), an American nurseryman |
| Knautia | | named for Christoph Knaut (1638-1694), a German botanist and doctor |
| Knightia | | named for Thomas Andrew Knight (1759-1838), the president of the Horticultural Society of London |
| Kohleria | | named for Michael Kohler, a 19th century Swedish teacher |
| Kosteletzkya | | named for Vincenz Franz Kosteletzky (1801-1887), a botanical writer in Prague |
| Schotia | SHOT-ee-uh | Named for Richard van der Schot, 18th century Dutch gardener |
| Sciadopitys | sigh-uh-DOP-ih-tiss | From the Greek skias (umbel) and pitys (fir tree); referring to the needles' resemblance to the ribs of an umbrella or parasol |
| Laburnocytisus | | a grafted combination of Chamaecytisus (dwarf Cytisus) and Laburnum (a tree) |
| kobus | KOE-bus | From the Japanese name for this species of Magnolia |
| Laelia | | named for one of the vestal virgins |
| Laeliocattleya | | a hybrid combination of Laelia (for one of the vestal virgins) and Cattleya (named for William Cattley) |
| Lagarosiphon | | from the Greek lagaros (thin) and siphon (tube); refers to the form of the plant |
| Lamarckia | | named for Jean Baptiste de Monet Lemarck (1744-1829), a French naturalist and author |
| Lambertia | | named for Aylmer Bourke Lambert (1761-1842), an English botanist and author |
| Larrea | | named for Juan Antonio de Larrea, a Spanish patron of science |
| Latania | | the Latin version of the Mauritius vernacular name |
| Lathraea | | from the Greek lathraios (hidden) for its underground existence |
| Laurelia | | the Latin version of the word laurel |