Pachipodium bispinosum, Lamerae, Saundersii, Ruthenberghianum
Pachyrhizus tuberosus (vedi Pueraria)
Pachysandra procumbens, terminalis
Pachystachis coccinea, lutea
Pachyveria hyb
Paeonia anomala, arborea, arietina, Beresowzkii, Brotergii, Cambessedesii, corallina, Delavayi, Emodii, humilis, lactiflora, lusitanica, lutea, mascula, mollis, Moutan, Mlosewitchii, officinalis e susp. Villosa, peregrina, Potaninii, Sterniana, suffruticosa, tenuifolia, trollioides, turcica, Weitchii, ibridi diversi
Pagostemon henyeanus
Palicourea riparia
Palisota Barberi, Mannii, Pynaertii “Elizabethae”
Paliurus aculeatus, Spina-Christi,
Pallenis spinosa
Pancratium canariense, illiricum, maritimum
Pandanus amaryllifolium, Kirkii, odoratissimus, tectorius, utilis
Pandorea australis, jasminoides e var. alba, (vedi Stenolabium)
Panicum miliaceum, virgatum “Warrior”
Papaver alpinum, argemone, atlanticum, bracteatum, Kernerii, lateritum, Myabeanum, setigerum, orientale e var. “Suleika” “Marcus Perry “ “Picotèe” “Polka” “Champagne bubble’s group”, paeoniflorus, nudicaule, Roheas e var. “Mother of pearls”, (vedi Argemone)
Paphiopedilum (vedi Cypripedium)
Paradisea Liliastrum
Parahebe catarractae, formosa, perfoliata,
Parietaria officinalis, diffusa, erecta
Paris japonica, quadrifolia (vedi Kinugaja)
Parkia Roxbourgii
Parkinsonia aculeata
Parnassia palustris
Parodia aureispina, Faustiana, Masii, otuyensis, pothosina, sanguiniflora
Paronychia argentea, Kapela
Parrotiopsis jaquemontiana
Parthenium corymbosum, (vedi Chrysanthemum)
Parthenocissus hymalayanus, quinquefolia, Thompsonii, tricuspidatus
Passiflora alata, antiquensis, XAllardi, baetica, Xbelottii “Principessa Eugenia”, bryonioides, caerulea e var. “Constance Elliott”, capsularis, coccinea, edulis, foetida, holosericea, incarnata, Makan, mixta, Murukuja, purpurocaerulea, quadrangularis, racemosa, serratifolia, trifasciata, violacea (vedi Tacsonia)
Patrinia gibbosa
Paulownia imperialis, tomentosa
Pavetta capensis, indica
Pavonia Xgledhilii, hastata, multiflora, praemorsa, spinifex, Wioti (vedi Gohethea)
Paw paw carica (vedi Carica Papaya)
Pedicularis comosa, giroflexa, incarnata, rosea, rostrata, rostrato-capitata, tuberosa, verticillata
Pedilanthus carinatum, Smalli, tithimaloides,
Pegamum harmala, Widhii
Pelargonium profumati: abrotanifolium, acetosum, auritum var.melananthus, australe, Blandfordianum “White”, canescens, capitatum e var Attar of Rose, citriodorum e Prince of Orange, concolor, cortusifolium, crispum e var. Major, coriandrifolium, cucullatum, denticulatum var. ficifolium, echinatum, X fragrans e var. Joy Lucille e Endleight, Lemon fancy, ferulaceum, ficifolium, fimbriatum, X graveolens e var. Miss Taylor, gibbosum, glutinosum, graveolens, grossularioides, heindecherianum, hispidum, limoneum, longifolium, miniature “Urchin”, myrtifolium var. coriandrifolium, oblungatum, odoratissimum, ovale, papilionaceum, piloselloides, quercifolium e var. “Fair Ellen” “Royal Oak”, scabrum, splendidum violaceum, radula, reniforme, tabulare, tetragonum, tricolor “Splendide”, trifidum, triste, “Torento”, vitifolium, var. “Lady Plymouth” Pelargonium Xdomesticum, Xgrandiflorum, Xhortorum, macranthum, papilionaceum, peltatum, zonale e doppio “Alba” “Falkland hero” “Satellite”, in diverse varietà da foglia e da fiore “Sweedish agel” “Urchin miniature” “bird dancer” “Tiptop duet” “Beromunster decorative” “Aries” “Bird angel” “Stellare Supernova” “Dehli”
Pellionia repens
Peltandra repens, virginica
Peltaria turkmena
Peltiphyllum peltatum
Pennisetum villosum
Penstemon barbatus, corymbosum, confertus, cordifolius, damasonum, digitalis, euglaucus “Flamingo”, fruticosum, Gardnerii, gentianoides, Hartweghii, heterophyllus “True blue”, Jamesi, isophyllus, Menziesii, Newberryi, ovatus, Palmeri, pinifolius, procerus, rattani, rupicula, Scouleri albusspectabilis, virens, Wifplenianum, var. “Pennington gem” “Patio shell” “Alice Minden” “Raven” “Port wine” “Sour grapes” “Mme Golding” (vedi Chelone)
Pentaglottis sempervirens (vedi Anchusa)
Pentas carnea, coccinea, javanica, lanceolata e var “Quartiniana”
Pentzia grandiflora
Peperomnia magnoliaefolia, resediflora, Sandersi, stolonifera
Pereskia aculeata grandifolia, lychnidiflora
Perezia grandiflora, multiflora (vedi Homoianthus)
Pericallis Tussilaginis
Perilla frutescens e var. crispa
Periploca graeca
Peristrophe speciosa
Pernettia mucronata
Perovskia atriplicifolia
Persea drymifolia, gratissima, indica,
Persicaria affine, campanulata “Rosen Rot”, tenuifolia, (vedi Polygonum)
Pescatorea Lehmannii
Petasites albus, fragrans, hybridus, niveus, vulgaris
Petraeovitex Wolfii
Petrea Kohautiana, volubilis
Petrocallis pyrenaica
Petrocopti glaucifolia
Petromarula pinnata
Petrophytum clavigerum, Hendersonii,
Petrorhagia saxifraga, velutina, (vedi Tunica)
Petroselinum crispus e var “Bravour” “Verbo”
Petunia axillaris, inflata, X hybrida e varietà “Aladdin mixed”
Peucedanum palustre, venetum
Peumus Boldus
Phacelia campanularia, Chemsideriana, grandiflora, tanacetifolia, viscida
Phaedranthus buccinatorius (vedi Bignonia)
Phaenocoma prolifera
Phaeomeria magnifica (vedi Ammomum)
Phagnalion rupestre, sordidum
Phajus indigoferus,inkarvillae
Phalaenopsis cilleriana, Sanderiana, ibridi
Phalaris arundinacea e var. picta, canariensis
Phaleria disperma
Pharbitis hederacea, purpurea (vedi Ipomoea)
Phaseolus vulgaris
Phelipaea coerulea
Philadelphus argyrocalix, Boufourdensis, caucasicus, congestus, coronarius e var. variegatus, Coulteri, Falconerii, inodorus, X insignis, Lewisii e var. gadonianus, peckinensis, pubescens, purpureo maculatus, microphyllus, e var. “Virginal” “Etoile rose” “Frosty morn” Schrenkii, sericanthus, tomentosus nepaulensis, verrucosus, e var. “Enchantement” “Marjorie” Innocence” “Bialy Karzel”
Philesia magellanica
Philibertia gracilis (vedi Sarcostemma)
Phillirea angustifolia
Philodendron bipinnatifidum, cuspidatum, erubescens, lacerum, melanochrysum, micans, oxycardium, pertusum, scandens, Scotianum, Selloum, Sellowianum, speciosum, thaliifolium, undulatum e var, variegatum(vedi Monstera)
Phlebodium aureum mandaianum
Phlenum graecum subsp. graecum
Phlomis cachemiriana, chimerae, fruticosa, italica, lanata, Rousselliana, tuberosa, umbrosa, viscosa
Phlox bifida e var. “Betty”, divaricata “Dirigoice”, Douglasii, Drummondii, Kelskeyi, maculata, mesoleuca, ovat, paniculata e var. Grandiflora alba, reptans, subulata e var. “Betty” “Marjorie rose”, stellaria, stolonifera
Phoenicophorium brasilianum, borsignanum
Phoenix Alouresii, canariensis, dactylifera, hanceana var philippinensis, Loiseleurii, madagascariensis, pumila, reclinata, rupicula, Robelinii, sylvestris
Phormium tenax
Photinia arbutifolia, Beauverdiana, dentata, Xfraseri ”red Robin”, japonica, nitakayamensis, serrulata, (vedi Eriobotrya, Heteromeles)
Phuopsis stylosa vedi (Crucianella)
Phygelius aequalis e var. “Indian chief”, capensis, Xrectus “Winchester fanfare” “Salmon leap”
Phyla nodiflora
Phylica ericoides
Phyllanthus angustifolius, Seemannianus
Phyllostachis aurea, mitis, puberula, viridiglaucescens,
Physalis Alchechengi, Franchetii. Peruviana, philadelphica
Physiocaulis nodosa
Physocarpus opulifolius
Physochlaina orientalis
Physostegia virginiana
Phyteuma comosum, confusum, Charmelii, emisphaericum, globularieaefolium, Hallerii, Michelii, nigrum, orbiculare, Sieberii, spicatum,
Phytolacca acinosa, americana, arborea, clavigera, decandra, dioica, icosandra, octandra, rugosa
Picea asperata, abies (e var. acrocona, compacta, echiniformis, nidiformis, procumbens, Wilsonii), glauca, yunnanensis, mariana, Omorika, orientalis, pungens e pendula, spinulosa
Picnomon acarna (vedi Cnicus)
Picridium tingitianum
Picris echioides, hieracioides
Pieris formosa “Wakenhurst”, japonica e var “Debutante” “Browers beauty” “Purity”, yakushimensis e varietà
Pilea Cadierei, grandis, involucrata, microphylla, nummulariaefolia
Pilocereus Palmerii
Pilosella laticeps
Piloselloides chordata
Pimelea decussata, ferruginea
Pimenta acris, racemosa
Pimpinella anisum, major
Pinella tripartita
Pinguicula Bakeriana, caudata, grandiflora, hirtiflora, leptoceras, primuliflora, vulgaris
Pinus Armandii, brutia, canariensis, embra, densiflora, Griffithii, halepensis,montezumae, Mughus, koraiensis, nigra, palustris, parfiflora, Peuce, Pinaster, Pinea, pumila, pyrenaica, Sabiniana, Strobus, sylvestris, umbraculifera, Wallichiana,
Piper nigrum
Piptanthis lejocarpus, tomentosus
Pisonia tricolor
Pistacia Lentiscus
Pistia stratiotes
Pisum arvense, elatior, sativum
Pitcairnia maidifolia (vedi Puya)
Pittosphorum acuminatum, crassifolium, Dallii, eriocarpum, eugenioides e var. Variegatum, floribundum, “Garnettii”, glabratum, Ralphii, Tobira e var. Variegatum, tenuifolium “Irene Patterson”, undulatum e var. variegatum – “Tom Thumb”, viridiflorum
Plantago Coronopus, indica, lanceolata, major, media,
Platanthera bifolia
Platanus X acerifolia, X orientalis
Platycerium alcicorne, bifurcatum, grandis
Platycodon grandiflorus e var. “Fuji white”, nano e varietà
Platystemon californicus
Plectranthus argentatus, aromaticus, coleoides variegatum, Forsterii e var. marginatus, glaucocalyx, murabilis, neochilus, Oertendahlii, purpuratum, saccharatum, zuluensis,
Plectritis congesta
Pleiocarpa mutica
Pleiospilos Bolusii (vedi Mesembrianthemum)
Plejone hyb. “Vesuvius”
Pleomele reflexa e variegata “Song of India”
Pleurophora patagonica
Plumbago caerulea, capensis, Larpentae, rosea, zeylanica (vedi Ceratostigma)
Plumeria obtusa, rubra e var. acutifolia
Poa nemorensis
Podachaenium eminens (vedi Ferdinanda, Zaluzania paniculata)
Podocarpus elongatus, Henkelii, macrophyllum, neriifolius, Rumphii, totara aureus,
Podochilus spec.
Podophyllum emodi
Podranea Brycei, Ricasoliana (vedi Bignonia, Tecoma)
Poinciana Gillesii, pulcherrima, regia (vedi Caesalpinia, Delonix)
Polemonium caeruleum, flavum, foliosum, reptans
Polianthes tuberosa
Polyalthia longifolia
Polygala alpestris, amara, apopetala, chamaebuxus e var. Purpurea, Dalmaisiana, heisteria, myrtifolia e var. Grandiflora, Vayverdae, vulgaris (vedi Muraltia)
Polygonatum biflorum, curvistylum, Hookerii, humile, Xhybridum, kingianum, multiflorum, odoratum, officinale, verticillatum, vulgare
Polygonum affine, alpinum, angustifolium, Auberti, baldschuanicum, bistorta e var. Superba, campanulatum, capitatum, coriaceum, cuspidatum, lapathifolium, Millerii, paniculatum, polimorphum, polystachium, Sieboldii, Weirickii, virginianum (vedi Persicaria, Tovara)
Polypodium aureum, vulgare
Polyscias Balfouriana, ficifolia, fruticosa
Polystachia bella
Pomaderris apetala
Poncirus trifoliata (vedi Aegle, Citrus)
Ponenorchis graminifolia
Pontederia azurea, cordata, crassipes (vedi Eichornia)
Populus alba, canadensis, nigra, tremula
Poracaryum caelestinum
Porphyrochroma Pohliana
Portea petropolitana
Portulaca grandiflora e var. “Kariba mixed”, oleracea
Potentilla alchemilloides, anglica, anserina e var. “silver weed”, argentea, aurea e var. “Blazeaway”, X atrosanguinea, calabra, chrysantha e var, Thuringiaca, caulescens, fissa, fragariastrum, fruticosa e var. “Red ace” “Primerose beauty”, gracilis, grandiflora, megalantha, nitida, nepalensis “Miss Willmott”, norvegica, recta macrantha, rupestris, saxifraga, tormentilla, valderia, verna, Willmottiana “Yellow queen”. Ibridi diversi
Poterium Sanguisorba (vedi Sanguisorba)
Pothos aureus scandens (vedi Scindapsus)
Pratia angulata, macrodon, pedunculata (vedi Lobelia)
Premna lignum-vitae
Prenanthes purpurea
Primula acaulis ed ibridi, Allionii e var. “Marjorie Woorster”, alpicola, aurantiaca, Auricola, Bauminii, Beesiana, Xbullesiana, capitata, cortusioides, denticulata, elatior, farinosa, florindae, floribunda, glaucescens, Halleri, hirsuta, kisoana, japonica e var. alba, Juliae, latifolia, longiflora, malacoides, marginata, Mooreana, obconica, officinalis, Palinuri, Parryi, pedemontana, Poissonii affinis, polyanthes “Crescendo bright rose e yellow”, polyneura, Xpruhoniana var. “Theodore”, pulverulenta, triloba flore pleno, scotica, Sieboldii e var. alba, sinensis, specicula, veris subsp. columnae, verticillata, Viahlii, viscosa, vulgaris e subsp. Subthorpii ed hyb., Wilsonii, “Beatrice Worster” gloriosa tarda “White” “Traditional yellow” “Barnhaven gold” “Pink bicolor” “Shining red vith edge” “Shining Blue” “Country wide”,
Prinsepia uniflora
Prostanthera magnifica, ovalifolia
Protea compacta, cynaroides, grandiflora, laurifolia, mellifera, nana, repens
Prunella hyssopifolia, vulgaris, grandiflora, laciniata
Prunus amygdalus, Armeniaca, avium, Bretschnerii, cerasifera, calderiana var. Fauriei, Cerasus ed ibridi, communis, Davidiana, divaricata, domestica, dulcis, marginata, Jamasakura, insititia, Xjuddii, Laurocerasus, lusitanica, Kanzan, Korshinkyi, XYedoensis e var. “Shidare Yoshino” ”Ivensii” “Yoshino cherry”, Lannesiana, Mahaleb, malus e var. “profusion”, Myrobalana, Padus, Persica e var. “Kurokawa Yaguchi”, Pissardi, Pollardii, pumila-depressa, Sargentii, schrotae, serotina, serrulata e var. “Schirotae”, speciosa, spinosa, subhirtella e var. pendula\ rosea\ alba, tenella, triloba, “Accolade” “Shosar” “Yashi-no-o”
Pseuderanthemum Andersonii, atropurpureum, Hildebrandtii, rethiculatum, sinuatum, tricolor, versicolor
Pseudocalymma alliaceum
Pseudolobivia Bruckii, mascatacantha
Pseudomorus brunoniana
Pseudorchis albida (vedi Gymnadenia)
Psidium cerasoides, Guajava, littorale
Psoralea bituminosa
Psychotria arkansensis, bacterophylla, capensis, tarambassica
Ptelea frutescens, serrata, trifoliata aurea,
Pteridium aquilinum
Pteris argyreia, cretica major, ensiformis, vittata,
Pterocaria X Rehderiana
Pterocephalus perennis, Parnassii, virens (vedi Scabiosa)
Pteronia incana
Pterostyrax corymbosum, hyspida
Ptilotrichum halimifolium, spinosum e var. roseum (vedi Alyssum)
Ptilotus Manglesii (vedi Trichinium)
Ptychosperma elegans, Macharthurii,
Pueraria lobata, Thunbergiana (vedi Pachyrhizus)
Pulicaria dysenterica, vulgaris, odora
Pulmonaria angustifolia e var. “Blausmeer”, mollis e var. “Royal blue”, montana, maritima, obscura, officinalis e var. “silver mistery” “Sissinghult white”, rubra, saccharata e var. “Mrs Moon”, viridis (vedi Mertensia)
Pulsatilla alpina, apiifolia, campanella, Hallerii, vernalis, vulgaris, Zimmermannii, e var. “Barton’s pink” (vedi Anemone)
Punica granatum
Pusckinia libanotica, scilloides
Puya maidifolia, spathacea, weberbaurei, (vedi Pitcairnia)
Pyracantha coccinea e var.”Orange glow”, crenato-serrata, crenulata, yunnanensis, Rogersiana, Xwatereri, (vedi Crataegus)
Pyrenacantha malvifolia
Pyrethrum cinerarifolium, Parthemium, roseum (vedi Chrysanthemum)
Pyrola minor, secunda, rotundifolia, uniflora (vedi Moneses, Orthilia)
Pyrostegia ignea, venusta (vedi Bignonia, Clyostoma)
Pyrus bretschneiderii, communis, Cydonia, Malus, pasha, serrulata, ussuriensis, varietà (vedi Malus)
Pytchandra glauca
Quamoclit coccinea, pennata, (vedi Ipomoea)
Quassia amara
Quercus borealis maxima, castaneifolia, Cerris e var. argenteovariegata, Ilex, Kohenei, macrolepis, petraea, Robur, rubra, Suber, sessiliflora
Quillaja saponaria
Quisqualis , falcata mussaendiflora, indica
Qumquat (vedi Fortunella)
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