Dentate (dentatus). Toothed, i.e., provided with small incisions and projections on the margin.
Descending (descendens). Tending downwards; or attached somewhat below the apex.
Dichotomous (dichotomus). Repeatedly divided in pairs, each branch dividing into two subequal branches.
Didymous (didymus). Bi-globose, i.e., divided into two roundish lobes.
Didynamous (didynamus). In two pairs of unequal length.
Digitate (digitatus). Palmately compound.
Dioecious (dioicus). Unisexual and the male and female flowers on different plants.
Disc (discus). A usually ring-, cushion-, or cup-shaped expansion of the receptacle.
Dissected (dissectus). Divided to the base, but not jointed with the rachis.
Dissepiment (septum). A partition of the interior of the ovary, usually formed by the margins of the carpels. A partition not having that origin is called a false or spurious dissepiment.