dimorphous. Of two forms; as flowers that bear two kinds of stamens.
diœcious. Said of plants that bear stamens and pistils in flowers on different plants.
drupe. A fleshy pericarp or fruit, containing a relatively large stone or pit, as peach, cherry, plum.
drupelet. A very small drupe, particularly one comprising part of an aggregate fruit, as a drupelet of raspberry.
embryo. The dormant plantlet comprising part of the seed. It is enclosed within the seed-coats. Its parts are the caulicle (or stemlet), cotyledons or seed-leaves, and plumule. The food may be stored in the embryo, or around the embryo (endosperm).
endogen. A plant of the monocotyledon class, not enlarging in diameter by means of outside rings; as palms. All grasses and lilies and orchids and cereal grains are of this kind. Now used, if at all, to express a general mode of growth rather than a class of plants. See [exogen].
endosperm. The food material that is packed around the embryo (rather than inside it) in the seed.
entomophilous. Said of flowers that are pollinated by insects.
environment. The surroundings; or the conditions in which a plant or animal lives. The environment comprises the soil, climate, and the influence of the other plants and animals with which or among which the plant or animal grows.
epicotyl. The internode or “joint” above the seed-leaves or cotyledons.