| Subject | English | Spanish |
| bot. | bitter orange tree | naranjo amargo Citrus aurantium, vulgaris |
| bot. | bitter orange tree | naranjero agrio Citrus aurantium, vulgaris |
| agric. | bitter orange tree | naranjo amargo (Citrus aurantium) |
| agric. | bitter orange tree | toronjo (Citrus aurantium, Citrus aurantium var.bigaradia) |
| agric. | bitter orange tree | naranjo agrio (Citrus aurantium) |
| bot. | bitter orange tree | naranjo agrio Citrus aurantium, vulgaris |
| bot. | blood orange tree | naranjo de sangre Citrus aurantium var. melitense |
| bot. | blood orange tree | naranjo de Malta Citrus aurantium var. melitense |
| bot. | common orange tree | naranjo dulce Citrus sinensis |
| bot. | Malta orange tree | naranjo de sangre Citrus aurantium var. melitense |
| bot. | Malta orange tree | naranjo de Malta Citrus aurantium var. melitense |
| agric. | mandarin-orange tree | mandarino (Citrus deliciosa, Citrus nobilis, Citrus reticulata) |
| agric. | orange tree | naranjo dulce (Citrus sinensis) |
| med. | orange tree | naranjo (citrus aurantium) |
| gen. | orange tree | naranjo |
| med. | orange-tree | naranjo (citrus aurantium) |
| gen. | orange-tree | naranjo |
| nat.sc., agric. | Osage orange tree | maclura (Maclura aurantiaca, Maclura pomifera) |
| bot. | Seville orange tree | naranjo amargo Citrus aurantium, vulgaris |
| bot. | Seville orange tree | naranjero agrio Citrus aurantium, vulgaris |
| agric. | Seville orange tree | naranjo agrio (Citrus aurantium, Citrus aurantium var.bigaradia) |
| agric. | Seville orange tree | toronjo (Citrus aurantium, Citrus aurantium var.bigaradia) |
| agric. | Seville orange tree | naranjo amargo (Citrus aurantium, Citrus aurantium var.bigaradia) |
| bot. | Seville orange tree | naranjo agrio Citrus aurantium, vulgaris |
| bot. | sour orange tree | naranjero agrio Citrus aurantium, vulgaris |
| agric. | sour orange tree | toronjo (Citrus aurantium, Citrus aurantium var.bigaradia) |
| agric. | sour orange tree | naranjo agrio (Citrus aurantium) |
| agric. | sour orange tree | naranjo amargo (Citrus aurantium) |
| bot. | sour orange tree | naranjo amargo Citrus aurantium, vulgaris |
| bot. | sour orange tree | naranjo agrio Citrus aurantium, vulgaris |
| life.sc., agric. | sweet orange tree | naranjodulce |
| agric. | sweet orange tree | naranjo (Citrus sinensis) |
| agric. | sweet orange tree | naranjo dulce (Citrus sinensis) |
| bot. | sweet orange tree | naranjo dulce Citrus sinensis |
| agric. | tangerine-orange tree | mandarino (Citrus deliciosa, Citrus nobilis, Citrus reticulata) |