| Name | Structure/ Category | Description |
|---|---|---|
| Epigynous | [Flowers] {perianth position} | With the free portion of the perianth (the whorl of sepals and petals) borne at the top of a floral cup which is fused to and wholly encloses the ovary, the perianth thus appearing to arise from the top of the ovary. |
| Epiphytic | [Plants] {habit} | Physically supported in its entirety by another plant through all or the major part of its life, but not drawing direct nutrition from the host plant. |
| Episepalous | growing on or adnate to the sepals | |
| Equitant | [Leaves] {habit} | With leaves clustered at the base of the stem and in two ranks, the sides overlapping at the base and often sharply folded along their midridge, as in Iris. |
| Erose | [Leaf margins, Leaflet margins, Petal margins, Phyllary margins, Sepal margins] {form} | With the margin irregularly toothed, as if gnawed. |
| Estipulate | without stipules | |
| Even-pinnate | [Terminal leaflet] {presence} | Pinnately compound with an even number of leaflets, none truly terminal. |
| Evergreen | [Leaves] {duration} | Bearing green leaves through the winter and into the next growing season; persisting two or more growing seasons; not deciduous. |
| Exfoliating | [Bark of mature trunks] {surface appearance} | Bark splitting or cracking and falling away in thin patches or sheets, as in shagbark hickory (Carya ovata). |
| Exudate | exuded matter fr. exude to ooze out slowly in small drops through openings (as pores) to flow slowly out issue slowly forth |
