Common plant names.

Below is a list of plant names beginning with the letter 'O', listed by common name. Click a letter of the alphabet to see a list of plants with common names beginning with that letter. Alternatively click here to see the plants listed alphabetically by botanic name.

Common names: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Table: List of common names of plants along with their botanic/latin name equivalent.
Common name Botanic name
Oak, English oak, Common oak, pedunculate oak, European oak Quercus robur
Oat Avena sativa
Obovate peony, Mountain peony Paeonia obovata
Ogilvie mountain spring beauty Claytonia ogilviensis
Old lady Artemisia borealis
Old man cactus Cephalocereus senilis
Old Man's beard Clematis vitalba
Olive Olea europea
Onion Allium
Onion, Ornamental onion Allium 'Globemaster'
Onion, Spring onion, salad onion, scallion Allium cepa
Onion Allium cepa 'Ailsa Craig'
Onion Allium cepa 'Bedfordshire Champion'
Onion Allium cepa 'Californian Red'
Onion Allium cepa 'Japanese Buffalo' F1 hybrid
Onion Allium cepa 'Red Cross'
Onion Allium cepa 'Rijnsburger'
Onion Allium cepa 'Troy'
Onion Allium cepa 'Shakespeare'
Oniongrass Romulea rosea
Ontario poplar Populus x candicans
Opposite-leaved pondweed Groenlandia densa
Orange birch bolete Leccinum versipelle
Orange Mint, Eau De Cologne Mint Mentha x piperita 'Citrata'
Orange peel plant, Rainbow plant, Fish mint, Fish leaf Houttuynia cordata
Orange peel plant Houttuynia cordata 'Variegata'
Orange scented thyme Thymus 'Fragrantissimus'
Orange, Sweet orange, Valencia orange Citrus sinensis
Orchid Dendrobium
Orchid Oncidium
Orchid Orchidaceae 'Versailles'
Orchid Pleione
Orchid Vanda
Oregano, Majoram, Wild marjoram Origanum vulgare
Oriental poppy, Poppy Papaver orientale
Oriental poppy Papaver orientale 'Beauty of Livermere'
Oriental poppy Papaver orientale 'Harvest Moon'
Oriental poppy Papaver orientale 'Patty's Plum'
Oriental poppy Papaver orientale 'T├╝rkenlouis'
Oriental Poppy Papaver orientale (Oriental Group) 'Brilliant'
Oriental Poppy Papaver orientale (Oriental Group) 'Checkers'
Oriental Poppy Papaver orientale (Oriental Group) 'Prinzessin Victoria Louise'
Ornamental blackberry Rubus biflorus
Ornamental kiwi fruit, Variegated-leaf hardy kiwi Actinidia kolomikta
Ornamental maize, Sweet corn, Sweetcorn Zea mays
Ornamental onion Allium hollandicum 'Purple sensation'
Ornamental onion Allium vineale
Ornamental onion Allium 'Millenium'
Ornamental onion Allium lusitanicum 'Summer Beauty'
Ornamental onion Allium 'Mont Blanc'
Ornamental pear Pyrus calleryana 'Chanticleer'
Ornamental pepper, Capsicum Capsicum annuum 'Holiday Cheer'
Ornamental quince Chaenomeles speciosa 'Moerloosei'
Ornamental quince, Chinese flowering quince, Japonica Chaenomeles speciosa
Ornamental raspberry, Thimbleberry Rubus odoratus
Ornamental winter kale Brassica oleracea 'Northern Lights'
Osage orange, horse apple, monkey ball, hedge apple tree Maclura pomifera
Oshima cherry Prunus speciosa
Osier, Common osier Salix viminalis
Oso Berry Oemleria cerasiformis
Oval leaf privet, Privet Ligustrum ovalifolium
Oval sedge Carex ovalis
Ox eye daisy Chrysanthemum leucanthemum
Ox-eye daisy Leucanthemum vulgare
Oxlip Primula elatior

Plant naming - botanic names >>

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