| Daviesia leptophylla | Daviesia virgata |
| Daviesia ulicifolia | Daviesia ulicina |
| Decaisnea fargesii | Decaisnea insignis |
| Delonix boiviniana | Poinciana boiviniana, Poinciana lutea |
| Delonix decaryi | Poinciana decaryi, Delonix adansonioides |
| Delonix floribunda | Delonix adansonioides, Poinciana adansonioides, Aprevalia floribunda, Aprevalia perrieri |
| Delonix regia | Poinciana regia |
| Dichopogon strictus | Arthropodium strictum |
| Dichrostachys cinerea | Cailliea glomerata, Dichrostachys glomerata, Dichrostachys nutans, Mimosa cinerea |
| Dichrostachys cinerea | Dichrostachys glomerata, Dichrostachys nutans |
| Dietes iridioides | Dietes vegeta |
| Dillenia indica | Dillenia speciosa |
| Dioscorea batatas | Dioscorea opposita |
| Dioscorea elephantipes | Testudinaria elephantipes |
| Dioscorea rupicola | Dioscorea tysonii |
| Diospyros digyna | Sapota nigra, Diospyros nigra, Diospyros sapota, Diospyros laurifolia u.a. |
| Diospyros discolor | Diospyros blancoi, Diospyros philippensis |
| Diospyros kaki | Diospyros chinensis |
| Diospyros virginiana | Diospyros mosieri |
| Diploglottis australis | Diploglottis cunninghamii |
| Dipogon lignosus | Dolichos lignosus |
| Dorstenia foetida | Dorstenia crispa var. lancifolia, Kosaria foetida |
| Dovyalis caffra | Aberia caffra |
| Dovyalis zeyheri | Aberia zeyheri, Dovyalis revoluta, Dovyalis tristis |
| Dregea sinensis | Wattakaka sinensis |
| Drimys lanceolata | Tasmannia lanceolata |
| Duranta repens | Duranta erecta, Duranta plumieri |