Plant Encyclopedia

Scientific names: O 247 plants

• Oberonia anthropophora var. arisanensis ("Arisankusukusuran")
• Oberonia japonica ("Yorakuran")
• Oberonia japonica f. rubriflora ("Benibanayorakuran")
• Oberonia makinoi ("Obayorakuran")
• Ochna serrulata (Mickey mouse plant)
• Ochrosia hexandra
• Ochrosia iwasakiana ("Shimasokei")
• Ochrosia nakaiana
• Ocimum basilicum ("Meboki")
• Ocimum labiatum
• Ocimum tenuiflorum (holy basil)
• Odontochilus hatusimanus
• Odontochilus inabae
• Odontonema strictum (（Red Justicia）, "Benitsutsubana")
• Oenanthe javanica
• Oenanthe javanica subsp. javanica ("Seri")
• Oenanthe javanica subsp. linearis ("Itobazeri")
• Oenothera (genus, evening primrose)
• Oenothera biennis (common evening-primrose, "Mematsuyoigusa")
• Oenothera fruticosa (narrowleaf evening primrose, "Kidachimatsuyoigusa")
• Oenothera glazioviana (large-flowered evening-primrose, "Omatsuyoigusa")
• Oenothera grandis ("Obanakomatsuyoigusa")
• Oenothera indecora ("Minatomatsuyoigusa")
• Oenothera jamesii ("Onimatsuyoigusa")
• Oenothera laciniata (cutleaf evening primrose, "Komatsuyoigusa")
• Oenothera laciniata f. integrifolia ("Marubakomatsuyoigusa")
• Oenothera macrocarpa
• Oenothera parviflora ("Arechimatsuyoigusa")
• Oenothera perennis
• Oenothera perennis var. perennis (little evening primrose, "Hinamatsuyoigusa")
• Oenothera perennis var. rectipilis ("Kehinamatsuyoigusa")
• Oenothera rosea (rosy evening-primrose, "Yugesho")
• Oenothera speciosa (pinkladies)
• Oenothera speciosa var. childsii (pinkladies, "Momoirohiruzakitsukimiso")
• Oenothera speciosa var. speciosa (pinkladies)
• Oenothera stricta ("Matsuyoigusa")
• Oenothera tetraptera ("Tsukimiso")
• Oenothera villosa ("Noharamatsuyoigusa")
• Oenothera × fallax ("Omematsuyoigusa")
• Ohwia caudata ("Misonaoshi")
• Oldenlandia brachypoda ("Futabamugura")
• Oldenlandia corymbosa ("Tamazakifutabamugura")
• Olea europaea (olive)
• Omalotheca sylvatica ("Edauchichichikogusa")
• Omphalodes akiensis ("Akinohairuriso")
• Omphalodes akiensis f. albiflora ("Shirobanaakinohairuriso")
• Omphalodes cappadocica (Cappadocian navelwort)
• Omphalodes japonica
• Omphalodes japonica var. echinosperma ("Togeyamaruriso")
• Omphalodes japonica var. japonica ("Yamaruriso")
• Omphalodes japonica var. japonica f. albiflora ("Shirobanayamaruriso")
• Omphalodes krameri
• Omphalodes krameri var. krameri ("Ruriso")
• Omphalodes krameri var. krameri f. alba ("Shirobanaruriso")
• Omphalodes krameri var. laevisperma ("Echigoruriso")
• Omphalodes krameri var. laevisperma f. leucantha ("Shirobanaechigoruriso")
• Omphalodes linifolia (Venus's navelwort, "Shiromeso")
• Omphalodes prolifera ("Hairuriso")
• Omphalodes verna (creeping navelwort, "Hanaruriso")
• Oncidium (genus, "Onshijiumu")
• Onoclea sensibilis var. interrupta (sensitive fern, "Koyawarabi")
• Onopordum acanthium ("Gorotsukiazami")
• Onopordum illyricum ("Oniurokoazami")
• Onychium japonicum (carrot fern, "Tachishinobu")
• Operculina turpethum ("Fusen'asagao")
• Ophioglossum kawamurae ("Sakurajimahanayasuri")
• Ophioglossum namegatae ("Tonehanayasuri")
• Ophioglossum parvifolium ("Iojimahanayasuri")
• Ophioglossum parvum ("Chabohanayasuri")
• Ophioglossum pendulum ("Koburan")
• Ophioglossum petiolatum (longstem adderstongue, "Kohirohahanayasuri")
• Ophioglossum thermale
• Ophioglossum thermale var. nipponicum ("Kohanayasuri")
• Ophioglossum thermale var. thermale ("Hamahanayasuri")
• Ophioglossum vulgatum (adder's-tongue, "Hirohahanayasuri")
• Ophiopogon (genus, "Misukansasu")
• Ophiopogon caulescens
• Ophiopogon jaburan ("Noshiran")
• Ophiopogon japonicus
• Ophiopogon japonicus var. caespitosus ("Kabudachijanohige")
• Ophiopogon japonicus var. japonicus (dwarf lilyturf, "Janohige")
• Ophiopogon japonicus var. umbrosus ("Nagabajanohige")
• Ophiopogon planiscapus ("Obajanohige")
• Ophiopogon reversus ("Yonaguninoshiran")
• Ophiorrhiza amamiana
• Ophiorrhiza japonica
• Ophiorrhiza japonica var. acutiloba ("Oinamori")
• Ophiorrhiza japonica var. japonica ("Satsumainamori")
• Ophiorrhiza japonica var. japonica f. plena ("Yaekidachiinamori")
• Ophiorrhiza japonica var. monticola ("Yamainamori")
• Ophiorrhiza japonica var. tashiroi ("Nagabainamori")
• Ophiorrhiza kuroiwae ("Ryukyuinamori")
• Ophiorrhiza pumila ("Chaboinamori")
• Ophiorrhiza yamashitae ("Amamiawagoke")
• Opithandra primuloides ("Iwagiriso")
• Opithandra primuloides f. albiflora ("Shirobanaiwagiriso")
• Opithandra primuloides f. immaculata ("Funashiiwagiriso")
• Oplismenus aemulus ("Daitonchijimizasa")
• Oplismenus compositus
• Oplismenus compositus var. compositus ("Edauchichijimizasa")
• Oplismenus compositus var. owatarii ("Aragechijimizasa")
• Oplismenus compositus var. patens ("Obachijimizasa")
• Oplismenus undulatifolius ("Chijimizasa")
• Oplismenus undulatifolius var. imbecillis ("Hosobachijimizasa")
• Oplismenus undulatifolius var. japinicus ("Kochijimizasa")
• Oplismenus undulatifolius var. microphyllus ("Chabochijimizasa")
• Oplismenus undulatifolius var. undulatifolius ("Kechijimizasa")
• Oplopanax japonicus
• Oplopanax japonicus var. brevilobus ("Hirohaharibuki")
• Oplopanax japonicus var. japonicus ("Haribuki")
• Opuntia dillenii ("Senninsaboten")
• Opuntia ficus-indica (prickly pear, "Uchiwasaboten")
• Opuntia humifusa (devil's-tongue)
• Oreocnide frutescens ("Iwagane")
• Oreocnide pedunculata ("Hadonoki")
• Oreocnide × intermedia ("Hadoiwagane")
• Oreogrammitis dorsipila ("Himeuraboshi")
• Oreogrammitis nipponica ("Hirohahimeuraboshi")
• Oreogrammitis tuyamae ("Nagabakoraboshi")
• Oreorchis indica ("Kohakuran")
• Oreorchis patens (common oreorchis, "Kokeiran")
• Origanum majorana (marjoram)
• Origanum vulgare (wild marjoram, "Hanahakka")
• Orixa japonica ("Kokusagi")
• Orlaya grandiflora (white lace flower, "Orurea")
• Ormocarpum cochinchinense ("Hamasenna")
• Ornithogalum arabicum (Arab's eye)
• Ornithogalum dubium (sun star)
• Ornithogalum orthophyllum ("Hosobaoamana")
• Ornithogalum thyrsoides (chinkerinchee)
• Ornithogalum umbellatum (garden star-of-Bethlehem, "Oamana")
• Ornithopus compressus ("Kibanatsunomagoyashi")
• Ornithopus perpusillus ("Himetsunomagoyashi")
• Ornithopus sativus ("Tsunomagoyashi")
• Orobanche boninsimae ("Shimautsubo")
• Orobanche coerulescens ("Hamautsubo")
• Orobanche coerulescens f. albiflora ("Shirobanahamautsubo")
• Orobanche minor
• Orobanche minor var. flava ("Kibanayaseutsubo")
• Orobanche minor var. minor (hellroot, "Yaseutsubo")
• Orostachys japonica (rock pine, "Tsumerenge")
• Orostachys malacophylla
• Orostachys malacophylla var. aggregeata ("Aonoiwarenge")
• Orostachys malacophylla var. aggregeata f. rosea ("Usubenirenge")
• Orostachys malacophylla var. boehmeri ("Komochirenge")
• Orostachys malacophylla var. furusei ("Rebun'iwarenge")
• Orostachys malacophylla var. iwarenge ("Iwarenge")
• Orostachys malacophylla var. malacophylla ("Genkaiiwarenge")
• Orthilia secunda ("Koichiyakuso")
• Orthosiphon aristatus (cat's whiskers, "Nekonohige")
• Orychophragmus violaceus
• Orychophragmus violaceus var. lasiocarpus ("Keshokatsusai")
• Orychophragmus violaceus var. violaceus (Chinese violet cress, "Shokatsusai")
• Oryza sativa (Asian rice, "Ine")
• Osbeckia chinensis ("Himenobotan")
• Osbeckia nepalensis
• Osmanthus fragrans var. aurantiacus (fragrant orange-colored olive, "Kinmokusei")
• Osmanthus fragrans var. aurantiacus f. thunbergii ("Usugimokusei")
• Osmanthus fragrans var. fragrans (sweet osmanthus, "Ginmokusei")
• Osmanthus heterophyllus (holly osmanthus, "Hiiragi")
• Osmanthus insularis
• Osmanthus insularis var. insularis ("Shimamokusei")
• Osmanthus insularis var. insularis f. aureus ("Kinnataorenoki")
• Osmanthus insularis var. okinawensis ("Yanagibamokusei")
• Osmanthus iriomotensis ("Yaeyamahiiragi")
• Osmanthus marginatus ("Ryukyumokusei")
• Osmanthus rigidus ("Omokusei")
• Osmanthus ×fortunei ("Hiiragimokusei")
• Osmolindsaea japonica ("Saigokuhongushida")
• Osmolindsaea odorata ("Hongushida")
• Osmorhiza aristata
• Osmorhiza aristata var. aristata ("Yabuninjin")
• Osmorhiza aristata var. montana ("Miyamayabuninjin")
• Osmoxylon lineare (miagos bush)
• Osmunda banksiifolia ("Shiroyamazenmai")
• Osmunda claytoniana ("Onizenmai")
• Osmunda japonica (Asian royal fern, "Zenmai")
• Osmunda lancea ("Yashazenmai")
• Osmunda × intermedia ("Obayashazenmai")
• Osmunda × nipponica ("Kozenmai")
• Osmundastrum cinnamomeum
• Osmundastrum cinnamomeum var. fokiense ("Yamadorizenmai")
• Osteomeles anthyllidifolia var. subrotunda ("Tennome")
• Osteomeles lanata ("Shiragetennome")
• Osteomeles schwerinae ("Tachitennome")
• Osteospermum (genus)
• Ostericum florentii ("Miyamaninjin")
• Ostericum sieboldii ("Yamazeri")
• Ostericum sieboldii f. hirtulum ("Keyamazeri")
• Ostericum sieboldii f. roseum ("Hanayamazeri")
• Ostrya japonica ("Asada")
• Ostrya japonica f. homochaeta ("Koasada")
• Otacanthus caeruleus (blue cat's eye)
• Othonna (genus)
• Othonna capensis (little pickles)
• Ottelia alismoides ("Mizuobako")
• Oxalis (genus)
• Oxalis acetosella
• Oxalis acetosella var. acetosella (wood sorrel, "Komiyamakatabami")
• Oxalis acetosella var. acetosella f. vegeta ("Ezomiyamakatabami")
• Oxalis acetosella var. longicapsula ("Hyonosenkatabami")
• Oxalis articulata (pink-sorrel, "Imokatabami")
• Oxalis barrelieri ("Hagikatabami")
• Oxalis bowieana ("Hanakatabami")
• Oxalis brasiliensis ("Benikatabami")
• Oxalis corniculata (creeping woodsorrel, "Katabami")
• Oxalis corniculata var. trichocaulon ("Kekatabami")
• Oxalis corniculata var. villosa (creeping woodsorrel, "Katabami")
• Oxalis corniculata var. villosa f. atropurpurea ("Usuakakatabami")
• Oxalis corniculata var. villosa f. plena ("Hoshizakikatabami")
• Oxalis corniculata var. villosa f. rubrifolia ("Akakatabami")
• Oxalis debilis subsp. corymbosa ("Murasakikatabami")
• Oxalis dillenii (Southern wood-sorrel, "Ottachikatabami")
• Oxalis exilis ("Amamikatabami")
• Oxalis glabra
• Oxalis griffithii
• Oxalis griffithii var. griffithii ("Miyamakatabami")
• Oxalis griffithii var. griffithii f. rubriflora ("Benibanamiyamakatabami")
• Oxalis griffithii var. kantoensis ("Kantomiyamakatabami")
• Oxalis obtriangulata ("Oyamakatabami")
• Oxalis pes-caprae (Bermuda buttercup, "Okibanakatabami")
• Oxalis purpurea (purple woodsorrel, "Fuyokatabami")
• Oxalis stricta ("Ezotachikatabami")
• Oxalis tetraphylla (iron cross, "Monkatabami")
• Oxalis triangularis (false shamrock)
• Oxalis versicolor (candy cane sorrel, "Shiborikatabami")
• Oxyceros sinensis ("Hijiharinoki")
• Oxydendrum arboreum (sourwood)
• Oxygyne hyodoi ("Hinanobonbori")
• Oxygyne shinzatoi ("Hoshizakishakujo")
• Oxygyne yamashitae ("Yakunohinahoshi")
• Oxypetalum coeruleum
• Oxyria digyna ("Jin'yosuiba")
• Oxytropis campestris subsp. rishiriensis ("Rishirigenge")
• Oxytropis japonica
• Oxytropis japonica var. japonica ("Oyamanoendo")
• Oxytropis japonica var. japonica f. albiflora ("Shirobanaoyamanoendo")
• Oxytropis japonica var. sericea ("Ezoyamanoendo")
• Oxytropis japonica var. sericea f. leucantha ("Shirobanaezoyamanoendo")
• Oxytropis kunashiriensis
• Oxytropis megalantha ("Rebunso")
• Oxytropis megalantha f. albiflora ("Shirobanarebunso")
• Oxytropis retusa ("Hidakamiyamanoendo")
• Oxytropis revoluta ("Okadagenge")
• Oxytropis shokanbetsuensis ("Mashikegenge")
• Oxytropis shokanbetsuensis f. pilosa ("Usugemashikegenge")
• Ozothamnus diosmifolius (rice flower)