Embryo. The rudimentary plantlet within the seed.
Endocarp. The inner layer of a pericarp.
Endogenous. Growing throughout the substance of the stem, instead of by superficial layers.
Entire. Without toothing or division.
Ephemeral. Lasting only for one day.
Epidermis. The cuticle or thin membrane covering the outer surface.
Epigynous. Growing on the summit of the ovary, or apparently so.
Epiphyte. A plant growing attached to another plant, but not parasitic; an air-plant.
Eporose. Without pores.
Equitant. Astride, used of conduplicate leaves which enfold each other in two ranks, as in Iris.