| E | A B C D E F G H I K L M N O P R S T U V W Z |
| Word | Description |
| Elongate | Stretched out. |
| Epigynous | Growing on top of the ovary or seeming top do so, as petals, stamens and sepals. |
| Epipetalous | Borne upon the petals of a flower |
| Ericaceous | Plant which like acid soil are said to be ericaceous. |
| Evergreen | Plants which retain their leaves, not deciduous. |
| Exotic | Plants grown outside a specific habitat or area; non-native. |