| Name |
Pronunciation |
Meaning |
| Dipelta | dy-PEL-tuh | From the Greek di (two) and pelte (shield); referring to the two shield-like flower bracts |
| Diphylleia | 1: dy-fil-LEE-uh
2: dy-FIL-lee-uh | From the Greek di (two) and phyllon (leaf) referring to the two leaves on the stem |
| Diplarrhena | dy-plar-REN-uh | from the Greek diploos (double) and arren (male), referring to the two fertile stamens |
| Diplazium | 1: dy-PLAY-zee-um
2: dip-PLAY-zee-um | from the Greek diplasios (double) and refers to the double covering over the spores |
| Dipteronia | dip-ter-OH-nee-uh | From the Greek di (two) and pteron (wing); referring to the winged fruit |
| Dirca | DIR-kuh | From the Greek dirke (fountain near Thebes) and referring to the moist habitat in which the plant grows |
| Disa | DY-suh | Named for the mythical Queen Disa of Sweden, who appeared in fish-net before King of the Sveas; the seeds have a netted appearance |
| Discaria | 1: dis-KAR-ee-uh
2: dy-SKAIR-ee-uh | From the Greek diskos (disk), referring to the large fleshy disc on the flower |
| Distylium | dis-STY-lee-um | From the Greek dis (two) and stylos (style); referring to the two styles |
| Docynia | doh-SIGH-nee-uh | An anagram of Cydonia (quince), to which this tree is related and bears a resemblance |
| Dodonaea | doh-DOH-nee-uh | Named for Rembert Dodoens, 16th century Flemish royal physician, botanist, and professor |
| Dombeya | dom-BEE-yuh | Named for Joseph Dombey, 18th century French botanist |
| Doodia | DOO-dee-uh | Named for Samuel Doody, 17th century London apothecary and curator |
| Dorstenia | 1: dor-STEN-ee-uh
2: dor-STEE-nee-uh | Named for Theodor Dorsten, 16th century German botanist and medical professor at Marburg |
| Doryanthes | dor-ree-ANTH-eez | From the Greek dory (spear) and anthos (flower), referring to the long, spear-like flower stem |
| Doryopteris | dor-ree-OP-ter-iss | From the Greek dory (spear) and pteris (fern); referring to the shape of the fronds |
| Dracula | DRAK-yoo-luh | Diminutive form of draco (dragon) |
| Drimys | DRY-miss | From the Greek word, meaning acrid or pungent; referring to the taste of the bark |
| Drosanthemum | dros-ANTH-eh-mum | From the Greek drosos (dew) and anthos (flower) |
| Dryandra | dry-AN-druh | Named for Jonas Dryander, 18th century Swedish botanist, author and librarian to Sir Joseph Banks |
| Dryas | DRY-ass | From the Greek word, meaning a nymph or dryad, to which the oak was sacred. The leaves of one species are oak-shaped |
| Drynaria | dry-NAR-ee-uh | From the Greek dryas, referring to the oak-shaped fronds |
| Dudleya | DUD-lee-yuh | Named for William Russel Dudley, 19th century botany professor at Stanford University in California (U.S.) |
| Duvalia | doo-VAL-ee-uh | Named for Henri Auguste Duval, early 19th century French doctor |
| Dyckia | 1: DY-kee-uh
2: DIK-ee-uh | Named for Prince Joseph Salm-Reifferscheid-Dyck, 19th century botanist and author of book on succulents |
| Ecballium | ek-BAL-lee-um | From the Greek ekballein (to cast out), referring to the forceful ejection of the seeds when the fruit is ripe |
| Echidnopsis | ek-id-NOP-sis | From the Greek echidna (viper) and opsis (like); refers to the snake-like stems |
| Echinopsis | ek-in-OP-sis | From the Greek echinos (sea urchin or hedgehog) and opsis (like), referring to the plant's resemblance to sea urchins |
| Edithcolea | ee-dith-KOH-lee-uh | Named for Miss Edith Cole, who first collected this plant in Somalia in the late 19th century |
| Edraianthus | ed-ry-AN-thus | From the Greek hedraios (sitting) and anthos (flower); refers to the sessile flowers at the top of the flower stalk |
| Elaeis | el-LEE-iss | From the Greek elaia (olive) and refers to the olives and olive oil used commercially |
| Elaeocarpus | el-lee-oh-KAR-pus | From the Greek elaia (olive) and karpos (fruit), referring to the olive-shaped fruit |
| Elatostema | ee-lay-toh-STEM-uh | From the Greek elatos (driving or striking), and stema (stamen), referring to the stamens springing up |
| Eleutherococcus | el-ew-ther-oh-KOK-us | From the Greek eleutheros (free) and kokkos (berry) |
| Elodea | el-OH-dee-uh | From the Greek helodes (marshy), referring to the habitat of this plant |
| Embothrium | em-BOTH-ree-um | From the Greek en (in) and bothrion (small pit); referring to the location of the anthers in small cavaties within the calyx calyx |
| Emmenopterys | em-men-OP-ter-iss | From the Greek emmenes (lasting) and pteryx (wing); referring to the wing-shaped mature calyx |
| Encelia | en-SEE-lee-uh | Derivation is uncertain; possibly "little eel", referring to the form of the seed heads |
| Eomecon | ee-oh-MEE-kon | From the Greek eos (dawn; east) and mekon (poppy), referring to the Far East orgin of the genus |
| Epacris | 1: EE-puh-kris
2: EP-uh-kris | From the Greek epi (upon) and akris (summit); referring either to the natural habitat of the plants, or the leaves' pointed shape |
| Epidendrum | ep-ih-DEN-drum | From the Greek epi (upon) and dendron (tree), referring to the epiphytic nature of the plants |
| Epithelantha | ep-ith-el-LAN-tha | From the Greek epi (upon), thele (nipple), and anthos (flower); nipple-like flowers |
| Eranthis | eer-RAN-this | From the Greek er (spring) and anthos (flower), referring to the early-blooming nature of this spring flower |
| Ercilla | er-SEE-lee-uh | Named for Alonso de Ercilla y Zuniga, 16th century Spanish soldier and poet during the Spanish Renaissance |
| Erinus | 1: EAR-rin-us
2: er-RY-nus | From the name used by Dioscorides for a plant similar to basil |
| Eriostemon | er-ree-oh-STEE-mon | From the Greek erion (wool) and stemon (stamen) |
| Eritrichium | er-ih-TRY-kee-um | From the Greek erion (wooly) and thrix (hair) |
| Escobaria | 1: es-koh-BAR-ree-uh
2: es-koh-BAY-ree-uh | Named for Romulo and Nemo Escobar, of Mexico |
| Espostoa | es-POS-toh-uh | Named for Nicolas E. Esposto, a botanist from Lima (Peru) |
| Euptelea | yoo-TEE-lee-uh | From the Greek eu (good) and ptelea (elm), referring to the edible fruit |
| Eurya | YOO-ree-uh | From the Greek eury (broad), referring to the broad petals |
| Euryale | yoo-RY-al-ee | Named for one of the three mythical Gorgons who had snakes for hair; refers to the thorny and prickly character |
| Euryops | yoor-RY-ops | Derivation is uncertain, possibly from the Greek eurys (large) and ops (eye), referring to the large flowers |
| Exacum | EKS-uh-kum | Latinized form of exacon, the Gallic name for centaurium |
| Fabiana | fab-ee-AY-nuh | Named for the Archbishop Francisco Fabian y Fuero, 18th century Spanish promoter of botany |
| Fargesia | far-GHEE-zee-uh | Named for Père Paul Guillaume Farges, early 20th century French missionary and plant collector in China |
| Fascicularia | fas-sik-yoo-LAR-ee-uh | Banded, bundled |
| Fatshedera | fats-HED-er-uh | A combination of Fatsia (Latin for face) and Hedera (Latin name for ivy) |
| Fendlera | 1: FEND-ler-uh
2: fend-LER-uh | Named for August Fendler, 19th century German plant collector |
| Fenestraria | fen-es-TRAY-ree-uh | From the Latin fenestra (window), referring to the transparent area at the tip of the leaves |
| Ferraria | fer-RAY-ree-uh | Named for Giovanni Battista Ferrari, 17th century Italian botanist and author |
| Fittonia | fit-TOH-neeuh | Named for Elizabeth and Sarah Mary Fitton, 19th century botanical authors and sisters |
| Fitzroya | fitz-ROY-uh | Named for Captain Robert Fitzroy, 19th century officer with the Royal Navy, who commanded the surveying expedition of the H.M.S. Beagle; later a renowned meteorologist |
| Fontanesia | fon-tan-NEE-zee-uh | Named for René Louiche Desfontaines, 19th century French botanist and author |
| Fothergilla | foth-er-GIL-luh | Named for Dr. John Fothergill, 18th century Quaker physician of Stratford, Essex (England) |
| Fouquieria | foo-KWEER-ree-uh | Named for Pierre Edouard Fouquier, 19th century French physician |
| Frailea | FRAY-lee-uh | Named for Manuel Fraile, 19th century Spanish gardener, responsible for the cactus collection of the U.S. Department of Agriculture |
| Francoa | frang-KOH-uh | Named for Francisco Franco, 16th century Spanish physician in Valencia |
| Botrychium | 1: boh-TRY-kee-ee-um
2: boh-TRIK-ee-ee-um | From the Greek botrys (cluster of grapes), referring to the formation of the spore-bearing organs |
| curcas | KUR-kas | From the vernacular name for this plant |
| sebestena | seb-es-TAY-nuh | From Sebesten, a name given to a related tree with similar drupes (fruit) |
