- deciduous
- decumbent
- decurrent
- deflexed
- dehiscent
- deltoid
- dentate
- denticulate
- depurative
- dermatitis
- diadelphous
- dichogamy
- dicotyledons
- digitate
- dilatation
- dimorphic
- dioecious
- diploid
- disc
- discoid
- discolourous
- disk
- dissected
- distal
- distichous
- diuretic
- dolomite
- dorsal
- dorsal suture
- dorsifixed
- downy
- drupaceous
- drupe