Plants by botanic name
Below is a list of plant names beginning with the letter 'o', listed by scientific/botanical (Latin) name. Click a letter of the alphabet to see a list of plants with botanic / latin names beginning with that letter. Alternatively click here to see the plants listed alphabetically by common name.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Botanic name | Common name(s) |
|---|---|
| Ochagavia carnea | Tresco rhodostachys |
| Ocimum basilicum | Basil |
| Ocimum basilicum | Basil |
| Ocimum basilicum | Basil, Common sweet basil |
| Ocimum basilicum | Basil, Purple leafed basil |
| Ocimum basilicum | Basil, Sweet basil, Common basil |
| Ocimum minimum | Greek basil, Bush basil, basil |
| Oenanthe javanica | Japanese parsley, mitsuba, Chinese celery |
| Oenothera | Evening primrose |
| Oenothera biennis | Evening primrose |
| Olea africana | African olive |
| Olearia macrodonta | Daisy bush |
| Olearia nummulariifolia | Daisy bush |
| Omphalodes cappadocica | Navelwort |
| Oncidium | Orchid |
| Onobrychis viciifolia | Sainfoin |
| Onoclea sensibilis | Sensitive fern |
| Ophiopogon planiscapus | Black turf lily, Ornamental grass |
| Ophrys apifera | Bee orchid |
| Ophrys fuciflora | Late spider orchid |
| Ophrys insectifera | Fly orchid |
| Ophrys sphegodes | Early spider orchid |
| Orchidaceae | Orchid |
| Orchis anthropophorum | Man orchid |
| Orchis laxiflora | Loose flowered orchid |
| Orchis mascula | Early purple orchid |
| Orchis militaris | Military orchid |
| Orchis morio | Green winged orchid |
| Orchis purpurea | Lady orchid |
| Orchis simia | Monkey orchid |
| Orchis ustulata | Burnt orchid |
| Origanum aurreum | Golden majoram |
| Origanum majorana | Sweet marjoram |
| Origanum onites | Pot marjoram |
| Origanum vulgare | Compact Marjoram |
| Origanum vulgare | Gold tipped marjoram |
| Origanum vulgare | Marjoram |
| Origanum vulgare | Oregano, Majoram, Wild marjoram |
| Orlaya grandiflora | White laceflower |
| Ornithogalum angustifolium | Star of Bethlehem |
| Ornithogalum nutans | Drooping Star of Bethlehem |
| Ornithogalum pyrenaicum | Spiked Star of Bethlehem |
| Oryzopsis miliacea | Smilo grass |
| Osmanthus heterophyllus | False holly |
| Osmunda regalis | Royal fern |
| Osteospermum | Cape Daisy, African Daisy |
