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Index of Common Names: O
Latin NameCommon NameFamilySynonymsEdibility RatingMedicinal Rating
Abelmoschus esculentusOkraMalvaceaeHibiscus esculentus. L.43
Acer macrophyllumOregon Maple, Bigleaf maple, Oregon MapleAceraceae 31
Achnatherum hymenoidesIndian Millet, Indian ricegrassPoaceae or GramineaeO. cuspidata. O. membranacea. Stipa hymenoides. S. membranacea.30
Aesculus glabraOhio Buckeye, Fetid BuckeyeHippocastanaceae 21
Allium cepaOnion, Garden onionAlliaceaeAllium angolense, Allium aobanum, Allium ascalonicum, Cepa esculenta53
Allium unifoliumOne-Leaved OnionAlliaceaeA. grandisceptrum.32
Amelanchier bartramianaOblongfruit serviceberryRosaceaeA. oligocarpa. Pyrus bartramiana.30
Anacamptis pyramidalisPyramidal OrchidOrchidaceaeOrchis pyramidalis.21
Asclepias ovalifoliaOval-leaf milkweedAsclepiadaceae 20
Asphodelus fistulosusOnionweedAsphodelaceaeA. tenuifolius. Cav.21
Atriplex hortensisOrach, Garden oracheChenopodiaceae 42
Atriplex truncataWedgescale SaltbushChenopodiaceaeObione truncata.20
Avena ludovicianaOatsPoaceae or Gramineae 20
Avena sativaOats, Common oatPoaceae or GramineaeAvena dispermis, Avena distans, Avena cinerea, Avena anglica, Avena algeriensis.33
Balsamorhiza sagittataOregon Sunflower, Arrowleaf balsamrootAsteraceae or CompositaeBupthalmium sagitattum.42
Bambusa odashimaeOdashimae BambooPoaceaeDendrocalamopsis edulis (Odash.) P.C.Keng. Leleba edulis Odash. Sinocalamus edulis (Odash.) P.C.Keng40
Bauhinia purpureaOrchid Tree, Purple Butterfly Tree, Mountain Ebony, Geranium Tree, Purple BauhiniaFabaceaeBauhinia castrata Blanco Bauhinia coromandeliana DC. Bauhinia platyphylla Zipp. ex Spanoghe Bauhinia22
Buddleia globosaOrange Ball TreeBuddleiaceaeBuddleja globosa01
Castanea ozarkensisOzark ChinkapinFagaceae 30
Ceanothus sanguineusOregon Tea Tree, Redstem ceanothusRhamnaceaeC. oreganus.21
Celastrus orbiculatusOriental BittersweetCelastraceaeC. articulatus. Thunb.12
Celtis tournefortiiOriental hackberryUlmaceae 20
Chenopodium glaucumOak-Leaved GoosefootChenopodiaceae 20
Chenopodium overiOver's goosefootChenopodiaceaeBlitum hastatum.20
Clematis orientalisOriental virginsbowerRanunculaceae 01
Cotoneaster franchetiiOrange cotoneasterRosaceae 10
Crassocephalum crepidioidesOkinawa Spinach, Redflower Ragleaf, FireweedAsteraceaeCrassocephalum diversifolium Hiern Gynura crepidioides Benth. Gynura diversifolia Sch.Bip. ex Asch.42
Cucumis melo chitoOrange MelonCucurbitaceae 32
Dactylorhiza incarnataMarsh OrchidOrchidaceaeOrchis incarnata. O. latifolia. O. strictifolia.22
Dactylorhiza maculataSpotted OrchidOrchidaceaeOrchis maculata.22
Datura quercifoliaOak Leaf Datura, Chinese thorn-appleSolanaceae 13
Edgeworthia chrysanthaOriental paperbushThymelaeaceae 01
Elaeagnus angustifoliaOleaster, Russian oliveElaeagnaceaeE. argentea. non Pursh. E. hortensis.42
Erodium malacoidesOval Heron's BillGeraniaceaeE. aragonense. E. subtrilobum.20
Erythrophleum ivorenseOrdealtree, sasswoodtreeFabaceaeErythrophleum micranthum Harms ex Craib Erythrophleum micranthum Holland13
Fagus orientalisOriental BeechFagaceae 20
Fortunella margaritaOval KumquatRutaceae 30
Fraxinus latifoliaOregon AshOleaceaeF. oregona.01
Fraxinus ornusManna Ash, Flowering ashOleaceaeOrnus europaea33
Gymnadenia conopseaFragrant OrchidOrchidaceaeOrchis conopsea. L. Habenaria conopsea. non Rchb.f.22
Helenium hoopesiiOwls Claws, Orange SneezeweedAsteraceae or CompositaeDugaldia hoopesii. (Gray.)Rydb.11
Ilex integraMochi TreeAquifoliaceaeOthera japonica.10
Iris germanica florentinaOrris, Orris-rootIridaceaeI. florentina. L.13
Isodon inflexus Lamiaceae or LabiataeOcimum inflexum.10
Juniperus monospermaOne-Seed JuniperCupressaceae 32
Lespedeza formosaOriental lespedezaFabaceae or LeguminosaeL. formosa. Koehne. L. sieboldii.00
Leucanthemum vulgareOx-Eye Daisy, MargueriteAsteraceae or CompositaeChrysanthemum leucanthemum.22
Lilium speciosumOriental LilyLiliaceaeL. lancifolium. non Thunb.21
Liquidambar orientalisOriental Sweet GumHamamelidaceaeL. imberbe.23
Lonicera ciliosaOrange HoneysuckleCaprifoliaceaeL. ciliosa occidentalis. L. occidentalis. Caprifolium ciliosum. C. occidentale.22
Maclura pomiferaOsage Orange, Bois D'ArcMoraceaeM. aurantiaca. Toxylon pommifera.12
Macromeria viridifloraGiant Trumpets, Thurber's giant-trumpetsBoraginaceaeOnosmodium thurberi01
Mahonia aquifoliumOregon Grape, Hollyleaved barberry, Oregon Holly Grape, Oregon HollyBerberidaceaeBerberis aquifolium. Berberis fascicularis. Odostemon aquifolium.33
Mahonia nervosaOregon Grape, Cascade barberryBerberidaceaeM. glumacea. Berberis glumacea. B. nervosa.32
Malus fuscaOregon Crab, Oregon crab appleRosaceaeM. rivularis.32
Matteuccia orientalis PolypodiaceaeOnoclea orientale. Pterinodes orientale. Struthiopteris orientalis.10
Matteuccia pensylvanicaOstrich FernPolypodiaceaeM. struthiopteris pensylvanica. (Willd.)Morton. Struthiopteris pensylvanica.20
Matteuccia struthiopterisOstrich FernPolypodiaceaeOnoclea germanica. Pterinodes struthiopteris. Struthiopteris germanica.21
Mertensia maritimaOyster PlantBoraginaceaePulmonaria maritima.30
Mertensia oblongifoliaOblongleaf bluebellsBoraginaceae 10
Microtis unifoliaOnion-Leaf OrchisOrchidaceaeM. porrifolia. R.Br.10
Milicia regiaOroko, IrokoMoraceaeChlorophora regia A.Chev. Maclura regia (A.Chev.) Corner22
Mirabilis nyctagineaWild Four O'clock Plant, Heartleaf four o'clockNyctaginaceaeOxybaphus nictagineus.02
Nerium oleanderOleander, Rose BayApocynaceaeN. indica. N. odorum.02
Nyssa ogecheOgeechee Lime, Ogeechee tupeloNyssaceaeN. candicans. N. capitata.20
Ocimum basilicumSweet Basil, Common Basil, Thai Basil, Tropical BasilLamiaceae or LabiataeOcimum album, Ocimum anisatum, Ocimum barrelieri, Ocimum medium, Plectranthus barrelieri .43
Ocotea kenyensisTransvaal stinkwood, stinkhoutLauraceaeOcotea gardneri Hutch. & M.B.Moss Ocotea viridis Kosterm. Tylostemon kenyensis Chiov.02
Oemleria cerasiformisOso Berry, Indian plumRosaceaeNuttallia cerasiformis. Osmaronia cerasiformis.21
Oenanthe aquaticaWater Dropwort, Fineleaf waterdropwortApiaceae or UmbelliferaeO. phellandrium. Phellandrium aquaticum.02
Oenanthe javanicaWater Dropwort, Java waterdropwort, Stolon waterdropwortApiaceae or UmbelliferaeO. stolonifera.32
Oenanthe peucidanifolia Apiaceae or UmbelliferaeO. stenoloba. Schur.10
Oenothera biennisEvening Primrose, Sun Drop, Common evening primroseOnagraceaeOnagra biennis. Brunyera biennis. Oenothera muricata. Onagra muricata.35
Oenothera elata hookeriHooker's Evening PrimroseOnagraceaeO. hookeri.21
Oenothera glaziovianaLarge-Flower Evening Primrose, Redsepal evening primroseOnagraceaeO. erythrosepala. Borbas. O. lamarkiana. DeVries. non Ser.22
Oenothera lamarckiana OnagraceaeO. grandiflora. Ait.10
Oenothera odorata OnagraceaeO. sulphurea. Auct. Raimannia odorata.10
Okoubaka aubrevilleiOkoubaka treeSantalaceaeOctoknema okoubaka Aubr?v. & Pellegr.04
Olea europaeaOlive, African olive, European oliveOleaceae 43
Olearia avicenniifoliaAkeakeAsteraceae or CompositaeO. albida. Hort. non Hook.f.00
Olearia paniculata Asteraceae or CompositaeO. forsteri.00
Onobrychis viciifoliaSainfoinFabaceae or LeguminosaeO. sativa.10
Ononis repensRest Harrow, Common restharrowFabaceae or LeguminosaeO. arvensis. Auct.21
Ononis spinosaSpiny Rest HarrowFabaceae or LeguminosaeO. campestris. O. procurrens.22
Onosma echioidesOnosmaBoraginaceae 01
Ophrys holosericaLate Spider OrchidOrchidaceaeO. arachnites. (L.)Reichard. O. fuciflora. (Crantz.)Moench.22
Ophrys insectiferaFly OrchidOrchidaceaeO. muscifera. Huds.22
Ophrys sphegodesEarly Spider OrchidOrchidaceaeO. aranifera. Huds.22
Opopanax chironiumOpopanaxApiaceae or UmbelliferaeMalabaila opopanax.01
Opuntia compressaEastern Prickly Pear, Prickly Pear CactusCactaceaeO. humifusa. Raf. O. macrarthra. O. opuntia. O. rafinesquii. O. vulgaris.31
Orchis italica OrchidaceaeO. longicruris.22
Orchis laxifloraMarsh OrchisOrchidaceaeO. ensifolia.22
Origanum majoranaSweet MarjoramLamiaceae or LabiataeO. majoranoides. Majorana hortensis.33
Origanum vulgareOregano, Pot MarjoramLamiaceae or Labiatae 43
Ornithogalum narbonenseStar Of BethlehemLiliaceaeO. arcuatum. O. pyramidale narbonense.10
Orobanche unifloraOneflowered broomrapeOrobanchaceae 11
Oryza sativaRice, Common RicePoaceaeOryza palustris Salisb. Oryza communissima Lour. Oryza glutinosa Lour. Oryza montana Lour. Oryza pra52
Oryzopsis asperifoliaMountain Rice, Roughleaf ricegrassPoaceae or GramineaeO. aspera.30
Osmanthus fragransFragrant OliveOleaceaeOlea fragrans.22
Osmanthus heterophyllusHolly Olive, Holly osmanthus, Chinese Holly, Holly Tea Olive, False HollyOleaceaeO. aquifolium. O. illicifolius. Ilex heterophyllus. Olea illicifolia.00
Osmanthus x burkwoodii OleaceaeOsmorea burkwoodii.00
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