Nouns denoting plants

O (continued)

orange hawkweed
orange milkweed
orange milkwort
orange mushroom pimple
orange peel fungus
orange sneezeweed
orange tree
orange-blossom orchid
orangewood
orbiculate leaf
Orbignya
Orbignya cohune
Orbignya martiana
Orbignya phalerata
Orbignya spesiosa
orchard apple tree
orchard grass
orchid
orchid cactus
orchid family
orchid tree
Orchidaceae
orchidaceous plant
Orchidales
orchil
orchis
Orchis mascula
Orchis papilionaceae
Orchis spectabilis
ordeal bean
ordeal tree
order Agaricales
order Alismales
order Andreaeales
order Anthocerotales
order Aphyllophorales
order Arales
order Aristolochiales
order Aspergillales
order Auriculariales
order Bennettitales
order Blastocladiales
order Bryales
order Campanulales
order Caryophyllales
order Casuarinales
order Chytridiales
order Commelinales
order Coniferales
order Cordaitales
order Cycadales
order Cycadofilicales
order Diapensiales
order Dicranales
order Ebenales
order Endomycetales
order Entomophthorales
order Equisetales
order Ericales
order Erysiphales
order Eubryales
order Eurotiales
order Fagales
order Filicales
order Gentianales
order Geraniales
order Ginkgoales
order Gnetales
order Graminales
order Guttiferales
order Helotiales
order Hymenogastrales
order Hypericales
order Hypocreales
order Isoetales
order Juglandales
order Jungermanniales
order Lechanorales
order Lepidodendrales
order Lichenales
order Liliales
order Lycoperdales
order Lycopodiales
order Lyginopteridales
order Malvales
order Marattiales
order Marchantiales
order Moniliales
order Mucorales
order Musales
order Mycelia Sterilia
order Myricales
order Myrtales
order Naiadales
order Nidulariales
order Oleales
order Ophioglossales
order Opuntiales
order Orchidales
order Palmales
order Pandanales
order Papaverales
order Parietales
order Peronosporales
order Pezizales
order Phallales
order Piperales
order Plantaginales
order Plumbaginales
order Polemoniales
order Polygonales
order Polypodiales
order Primulales
order Proteales
order Psilophytales
order Psilotales
order Ranales
order Ranunculales
order Rhamnales
order Rhoeadales
order Rosales
order Rubiales
order Salicales
order Santalales
order Sapindales
order Saprolegniales
order Sarraceniales
order Sclerodermatales
order Scrophulariales
order Secotiales
order Selaginellales
order Sphaeriales
order Sphaerocarpales
order Sphagnales
order Taxales
order Thymelaeales
order Tremellales
order Tuberales
order Tulostomatales
order Umbellales
order Uredinales
order Urticales
order Ustilaginales
order Xyridales
order-Chenopodiales
oregano
Oregon alder
Oregon ash
Oregon cedar
Oregon crab apple
Oregon fir
Oregon grape
Oregon holly grape
Oregon larch
Oregon lily
Oregon maple
Oregon myrtle
Oregon oak
Oregon pine
Oregon white oak
Oreopteris
Oreopteris limbosperma
Oriental arborvitae
oriental bittersweet
Oriental black mushroom
oriental bush cherry
oriental cherry
Oriental garlic
oriental plane
oriental poppy
oriental spruce
origanum
Origanum dictamnus
Origanum majorana
Origanum vulgare
Orites
Orites excelsa
Ormosia
Ormosia coarctata
Ormosia monosperma
ornamental
Ornithogalum
Ornithogalum pyrenaicum
Ornithogalum thyrsoides
Ornithogalum umbellatum
Orobanchaceae
Orontium
Orontium aquaticum
orpin
orpine
orris
orrisroot
Orthilia
orthotropous ovule
Oryza
Oryza sativa
Oryzopsis
Oryzopsis hymenoides
Oryzopsis miliacea
osage orange
osier
Osmanthus
Osmanthus americanus
osmund
Osmunda cinnamonea
Osmunda clatonia
Osmunda regalis
Osmundaceae
ostiole
ostrich fern
Ostrya
Ostrya carpinifolia
Ostrya virginiana
Ostryopsis
oswego tea
othonna
Our Lady's bedstraw
Our Lady's mild thistle
Our Lord's candle
oval kumquat
ovary
ovate leaf
overcup oak
ovule
owlclaws
ox-eyed daisy
Oxalidaceae
oxalis
Oxalis acetosella
Oxalis caprina
Oxalis cernua
Oxalis corniculata
Oxalis crenata
Oxalis pes-caprae
Oxalis tuberosa
Oxalis violacea
Oxandra
Oxandra lanceolata
oxeye
oxeye daisy
oxheart
oxheart cherry
oxlip
oxtongue
Oxydendrum
Oxydendrum arboreum
Oxytropis
Oxytropis lambertii
oyster agaric
oyster fungus
oyster mushroom
oyster plant
Ozark chinkapin
Ozark chinquapin
Ozark sundrops
Ozonium
Ozothamnus
Ozothamnus secundiflorus

P

pachouli
Pachyrhizus
Pachyrhizus erosus
Pachyrhizus tuberosus
pachysandra
Pachysandra procumbens
Pachysandra terminalis
Pacific hemlock
Pacific plum
Pacific silver fir
Pacific yew
Packera
Packera aurea
pad
padauk
padouk
Paeonia
Paeoniaceae
paeony
pagoda tree
pahautea
paigle
paint leaf
painted cup
painted daisy
painted leaf
painted nettle
painted tongue
painted-leaf begonia
pak choi
pakchoi
Palaquium
Palaquium gutta
palas
pale coral root
pale violet
Paliurus
Paliurus spina-christi
palm
palm family
palm kernel
palm nut
palm tree
palma christ
palma christi
Palmaceae
Palmae
Palmales
palmate leaf
palmetto
palmyra
palmyra palm
palo santo
palo verde
paloverde
pampas grass
Panama redwood
Panama redwood tree
Panama tree
panamica
panamiga
Panax
Panax ginseng
Panax pseudoginseng
Panax quinquefolius
Panax schinseng
Pandanaceae
Pandanales
pandanus
Pandanus tectorius
pandurate leaf
panduriform leaf
panic grass
panicle
panicled aster
Panicum
Panicum capillare
Panicum miliaceum
Panicum Texanum
Panicum virgatum
pansy
pansy orchid
pansy violet
panther lily
papaia
Papaver
Papaver alpinum
Papaver argemone
Papaver californicum
Papaver heterophyllum
Papaver nudicaule
Papaver orientale
Papaver rhoeas
Papaver somniferum
Papaveraceae
Papaverales
papaw
papaw tree
papaya
papaya family
papaya tree
paper birch
paper flower
paper mulberry
paper plant
paper rush
paper white
paperbark birch
Paphiopedilum
Papilionaceae
Papilionoideae
papilla
papoose root
papooseroot
pappus
paprika
papyrus
Para rubber tree
paradise flower
paradise tree
Paradisea liliastrum
Paraguay tea
parallel-veined leaf
paraphysis
Parasitaxus
Parasitaxus ustus
parasite yew
parasitic plant
parasol mushroom
Parathelypteris
Parathelypteris novae-boracensis
Parathelypteris simulata
parenchyma
parietal placentation
Parietales
Parietaria
Parietaria difussa
Paris
Paris daisy
Paris quadrifolia
Parkeriaceae
Parkia
Parkia javanica
Parkinsonia
Parkinsonia aculeata
Parkinsonia florida
Parmelia
Parmeliaceae
parnassia
Parnassia fimbriata
Parnassia palustris
Parochetus
Parochetus communis
Paronychia
parrot's beak
parrot's bill
Parrotia
Parrotiopsis
Parry manzanita
Parry's penstemon
Parry's pinyon
parsley
parsley haw
parsley-leaved thorn
parsnip
parted leaf
Parthenium
Parthenium argentatum
Parthenium hysterophorus
Parthenium integrifolium
Parthenocissus
Parthenocissus quinquefolia
Parthenocissus tricuspidata
partial veil
particolored buckeye
partridge pea
partridgeberry
paspalum
Paspalum dilatatum
Paspalum distichum
Paspalum notatum
pasque flower
pasqueflower
Passiflora
Passiflora edulis
Passiflora foetida
Passiflora incarnata
Passiflora laurifolia
Passiflora ligularis
Passiflora maliformis
Passiflora mollissima
Passiflora quadrangularis
Passifloraceae
passionflower
passionflower family
passionflower vine
Pastinaca
Pastinaca sativa
pasturage
pasture brake
patchouli
patchouly
pattypan squash
pavonia
pawpaw
Payena
pe-tsai
pea
pea family
pea plant
pea pod
pea tree
peace lily
peach
peach bell
peach bells
peach pit
peach tree
peach-leaved willow
peach-wood
peachleaf willow
peachwood
peacock flower
peacock flower fence
peanut
peanut vine
pear
pear haw
pear hawthorn
pear tree
pearl millet
pearl-weed
pearlweed
pearlwort
pearly everlasting
peasecod
peat moss
pebble plant
pecan
pecan tree
pecopteris
Pedaliaceae
pedate leaf
pedicel
pedicle
Pedilanthus
Pedilanthus bracteatus
Pedilanthus pavonis
Pedilanthus tithymaloides
Pediocactus
Pediocactus knowltonii
peduncle
pedunculate oak
pedwood
peepul
Peireskia
Pelargonium
Pelargonium graveolens
Pelargonium hortorum
Pelargonium limoneum
Pelargonium odoratissimum
Pelargonium peltatum
Pellaea
Pellaea andromedifolia
Pellaea atropurpurea
Pellaea mucronata
Pellaea ornithopus
Pellaea rotundifolia
Pellicularia
Pellicularia filamentosa
Pellicularia koleroga
pellitory
pellitory-of-Spain
pellitory-of-the-wall
Peltandra
Peltandra virginica
peltate leaf
Peltiphyllum
Peltiphyllum peltatum
pencil cedar
pencil cedar tree
Penicillium
Pennisetum
Pennisetum Americanum
Pennisetum cenchroides
Pennisetum glaucum
Pennisetum ruppelii
Pennisetum setaceum
Pennistum villosum
penny grass
pennycress
pennyroyal
pennyroyal oil
Penstemon
Penstemon barbatus
Penstemon centranthifolius
Penstemon cyananthus
Penstemon davidsonii
Penstemon deustus
Penstemon dolius
Penstemon fruticosus
Penstemon linarioides
Penstemon newberryi
Penstemon palmeri
Penstemon parryi
Penstemon rupicola
Penstemon rydbergii
Penstemon serrulatus
Penstemon whippleanus
peony
peony family
peperomia
Peperomia argyreia
Peperomia sandersii
pepper
pepper bush
pepper family
pepper grass
pepper root
pepper shrub
pepper tree
pepper vine
pepperidge
peppermint
peppermint gum
pepperwood
pepperwort
perennial
perennial pea
perennial ragweed
perennial ryegrass
perennial salt marsh aster
Pereskia
Pereskia aculeata
perfoliate leaf
perianth
Pericallis
Pericallis cruenta
Pericallis hybrida
pericarp
peridium
perigone

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