Dicoccous (fruit), splitting into two cocci or closed carpels.
Dicotyls, [23].
Dicotyledonous (embryo), having a pair of cotyledons, [23]. Dicotyledonous Plants, [23], [182].
Didymous, twin.
Didynamous (stamens), having four stamens in two pairs, [100].
Diffuse, spreading widely and irregularly.
Digitate (fingered), where the leaflets of a compound leaf are all borne on the apex of the petiole, [58].
Digynous (flower), having two pistils or styles, [105].
Dimerous, made up of two parts, or its organs in twos.
Dimidiate, halved; as where a leaf or leaflet has only one side developed.