Plant Index
Pachysandra Pachystima Paeonia Peonies, Paeonies, Woody Peonies, Tree Peonies Paeonia cathayana Paeonia Central Plains Cultivars Paeonia decomposita sichuan mu dan Paeonia delavayi dian mu dan Paeonia Gansu Cultivars Gansu Mudan Paeonia Itoh Cultivars Paeonia Japanese Cultivars Paeonia jishanensis ai mu dan Paeonia × lemoinei Paeonia ludlowii Ludlow's Tree Peony, da hua huang mu dan Paeonia Lutea Hybrids Paeonia ostii feng dan Paeonia Other Shrubby Hybrids Paeonia qiui luan ye mu dan Paeonia rockii zi ban mu dan Paeonia rotundiloba yuan lie si chuan mu dan Paeonia Southern Yangtze Cultivars Jiangnan Mudan Paeonia Southwest Cultivars Paeonia × suffruticosa
Paliurus Paliurus spina-christi Christ's Thorn
Parahebe Parasyringa Parrotia Ironwoods Parrotiopsis Parthenocissus Passiflora Passion Flower Passiflora caerulea Passion Flower Passiflora umbilicata
Paulownia Foxglove Trees, Empress Trees, Princess Trees, Dragon Trees, Kiri, Pao Tong Shu, Royal Paulownias Paulownia '9501' Paulownia ARCTIC® Paulownia BELLISSIA® Paulownia CAROLONIA® Paulownia catalpifolia Princess Tree Paulownia catalpifolia × fortunei Paulownia elongata Paulownia elongata × fortunei Paulownia fargesii Paulownia fortunei Dragon Tree Paulownia fortunei × tomentosa Paulownia × henanensis Paulownia kawakamii Sapphire Dragon Tree Paulownia ORIENTA® Paulownia 'Pao Tong Z07' Paulownia PAULEMIA® Paulownia 'PW 105' Paulownia 'T121' Paulownia × taiwaniana Paulownia tomentosa Foxglove Tree, Princess Tree, Empress Tree, Royal Paulownia, Kiri, Mao Pao Tong 'Alba' Coreana Group Korean Paulownia 'Georgia Princess' 'Hulsdonk' Japonica Group Lilacina Group Lilac Paulownia 'Somaclonal Snowstorm' tsinlingensis Guang Pao Tong 'Wilson's Giant'
Paulownia WALLACHIAPBR
Paxistima Pectinopitys Pennantia Pennantia corymbosa Kaikomako
Penstemon Pentactina Peraphyllum Periploca Periploca graeca Silk Vine Periploca laevigata Periploca sepium Chinese Silk Vine
Perkinsiodendron Pernettya Perovskia Persea Avocados, Bays Persea americana Avocado Persea borbonia Redbay Persea bracteata Persea breviflora Persea duthiei Persea ichangensis Persea indica Viñátigo, Canary Islands Mahogany Persea liebmannii Persea lingue Lingue Persea palustris Swamp Bay Persea pedunculata Persea thunbergii
Pertya Petrophytum Petteria Petteria ramentacea Dalmatian Laburnum
Peumus Peumus boldus Boldo
Phellodendron Philadelphus Philadelphus argyrocalyx Philadelphus californicus Philadelphus coronarius Mock Orange Philadelphus delavayi Philadelphus 'Falconeri' Philadelphus hirsutus Philadelphus incanus Philadelphus inodorus Philadelphus insignis Philadelphus lewisii Philadelphus magdalenae Philadelphus mexicanus Philadelphus microphyllus Philadelphus pekinensis Philadelphus pubescens Philadelphus satsumi Philadelphus schrenkii Philadelphus sericanthus Philadelphus: The Hybrids Philadelphus tomentosus Philadelphus zeyheri
× Philageria Philesia Phillyrea Phlomis Phoebe Phormium Photinia Phygelius × Phylliopsis Phyllocladus Phyllodoce Phyllostachys × Phyllothamnus Physocarpus Picconia Picconia azorica Pau-branco Picconia excelsa
Picea Spruces Picea abies Norway or Common Spruce Picea alcoquiana Picea asperata Picea brachytyla Picea breweriana Picea chihuahuana Picea crassifolia Qinghai Spruce Picea engelmannii Picea farreri Picea glauca White Spruce Picea glehnii Picea jezoensis Picea koraiensis Korean Spruce Picea koyamae Picea likiangensis Picea linzhiensis Picea × lutzii Lutz's Spruce, Roche Spruce Picea mariana Black Spruce Picea martinezii Nuevo León Spruce Picea maximowiczii Picea meyeri Meyer's Spruce Picea morrisonicola Picea obovata Siberian Spruce Picea omorika Picea orientalis Oriental or Caucasian Spruce Picea polita Tiger-tail Spruce Picea pungens Colorado or Blue Spruce Picea retroflexa Tapao Shan Spruce Picea rubens Red Spruce Picea schrenkiana Picea sitchensis Sitka Spruce Picea smithiana Picea spinulosa Picea wilsonii
Picrasma Pieris Pileostegia Pilgerodendron Ciprés de las Guaitecas Pilgerodendron uviferum Guaitecas Cypress, Ciprés de las Guaitecas
Pimelea Pinus Pines, Pinyons Pinus albicaulis Whitebark Pine Pinus arizonica Arizona Pine Pinus armandii David's Pine dabeshanensis Dabie Shan Pine mastersiana Masters Pine
Pinus attenuata Knobcone Pine Pinus ayacahuite Mexican White Pine Pinus balfouriana Foxtail Pine Pinus aristata Bristlecone Pine
Pinus banksiana Jack Pine Pinus bhutanica Bhutan Pine Pinus brutia P pityusa brutia eldarica Eilar Pine, Afghan Pine, Quetta Pine pendulifolia pityusa
Pinus bungeana Lacebark Pine Pinus canariensis Canary Island Pine P roxburghii Chir Pine
Pinus cembra Arolla Plne P × hakkodensis P sibirica [Pinus cembra] P pumila Dwarf Siberian Pine
Pinus cembroides Mexican Nut Plne, Pinyon P nelsonii cembroides edulis monophylla Singleleaf Nut Pine parryana Fourleaf Nut Pine
Pinus chiapensis Chiapas White Pine Pinus contorta Beach Pine Pinus coulteri Bigcone Pine Pinus culminicola Potosí Pinyon Pinus densata Gaoshan Pine Pinus densiflora Japanese Red Pine Pinus devoniana Michoacán Pine Pinus durangensis Durango Pine Pinus echinata Shortleaf Pine Pinus edulis Colorado Pinyon, Rocky Mountain Pinyon Pinus elliottii Slash Pine Pinus engelmannii Apache Pine, Arizona Longleaf Pine Pinus eremitana Pinus flexilis Limber Pine Pinus gerardiana Chilgoza Pine Pinus halepensis Aleppo Pine Pinus heldreichii Pinus henryi Pinus × holfordiana Pinus hwangshanensis Huangshan Pine, Chinese Hard Pine Pinus jeffreyi Jeffrey Pine Pinus johannis Border Pinyon, Dwarf Pinyon Pinus koraiensis Korean Pine Pinus lambertiana Sugar Pine Pinus leiophylla Chihuahua Pine, Smooth-leaf Pine Pinus longaeva Great Basin Pine, Intermountain Bristlecone Pine Pinus massoniana Chinese Red Pine, Masson Pine Pinus maximartinezii Martínez's Pinyon, Big-cone Pinyon Pinus montezumae Pinus monticola Western White Pine Pinus morrisonicola Taiwan White Pine Pinus mugo Dwarf Mountain Pine P uncinata Mountain Pine
Pinus muricata Bishop Pine Pinus nelsonii Nelson's Pinyon Pinus nigra Austrian Pine 'Pygmaea' caramanica Crimean Pine cebennensis maritima Corsican Pine
Pinus oocarpa Egg-cone Pine Pinus orizabensis Orizaba Pinyon Pinus palustris Longleaf Pine Pinus parviflora Japanese White Pine Pinus patula Pinus peuce Macedonian Pine Pinus pinaster Maritime Pine, Cluster Pine Pinus pinceana Pince's Pinyon, Weeping Pinyon Pinus pinea Stone Pine Pinus ponderosa Western Yellow Pine, Ponderosa Pine Pinus pseudostrobus Smooth-bark Mexican Pine Pinus pungens Table-mountain Pine Pinus quadrifolia Parry Pinyon Pinus radiata Monterey Pine Pinus remota Paper-shell Pinyon Pinus resinosa Red Pine Pinus rigida Northern Pitch Pine P serotina Pond Pine
Pinus sabiniana Digger Pine Pinus serotina Pond Pine, Pocosin Pine Pinus strobiformis Southwestern White Pine Pinus strobus Weymouth Pine Pinus sylvestris Scots Pine 'Aurea' 'Beuvronensis' fastigiata argentea engadinensis haguenensis Haguenau Pine hamata mongolica rigensis Riga Pine scotica Highland Pine 'Watereri' ('Pumila')
Pinus tabuliformis Chinese Pine Pinus taeda Loblolly Pine Pinus taiwanensis Taiwan Black Pine Pinus teocote Teocote Pine Pinus thunbergii Japanese Black Pine, Kuro-matsu Pinus torreyana Torrey Pine, Del Mar Pine, Soledad Pine Pinus virginiana Virginia Pine, Scrub Pine Pinus wallichiana Himalayan Pine, Bhutan Pine, Blue Pine Pinus wangii Guangdong White Pine Pinus yunnanensis Yunnan Pine
Piptanthus Pistacia Mastic Trees Pitavia Pitavia punctata Canelillo, Pitao
Pittosporum Pittosporums Pittosporum adaphniphylloides Pittosporum bicolor Pittosporum brevicalyx Pittosporum buchananii Pittosporum colensoi Pittosporum cornifolium Pittosporum crassifolium Pittosporum dallii Pittosporum daphniphylloides Pittosporum divaricatum Pittosporum eugenioides Tarata Pittosporum glabratum Pittosporum huttonianum Hutton's Kohuhu Pittosporum patulum Pittosporum phillyreoides Willow Pittosporum Pittosporum revolutum Pittosporum rigidum Pittosporum tenuifolium Kohuhu Pittosporum tobira Tobira Pittosporum undulatum
Plagianthus Ribbonwoods Plagianthus divaricatus Saltmarsh Ribbonwood, Makaka Plagianthus regius Mānatu, Lowland Ribbonwood, Houi
Planera Planera aquatica Water Elm
Plantago Plantago cynops Shrubby Plantain
Platanus Plane Trees, Sycamores Platanus 'Augustine Henry' Platanus × hispanica Intermediate Plane, London Plane Platanus mexicana Mexican Plane, Mexican Sycamore Platanus occidentalis Western Plane, Buttonwood Platanus orientalis Oriental plane Platanus 'Pyramidalis' Platanus racemosa
Platycarya Platycarya, Broad Nut Platycarya strobilacea Platycarya, Broad Nut, hua xiang shu, Nogurumi, Nobu-no-ki, Yamagurumi
Platycladus Platycladus orientalis Chinese Arborvitae, Oriental Arborvitae, Cheuk-baek-na-mu, 侧柏 (ce bai)
Platycrater Platyosprion Platyosprion platycarpum Japanese Yellow-wood
Plumbago Leadworts, Plumbagos Plumbago auriculata Cape Leadwort, Cape Plumbago
Podocarpus Podocarps, Yellow-woods Podocarpus elatus Illawarra Plum, Plum Pine Podocarpus henkelii Henkel's Yellowwood, Long-leaf Yellowwood Podocarpus latifolius Real Yellowwood Podocarpus macrophyllus Podocarpus nivalis Alpine Totara Podocarpus nubigenus Podocarpus salignus Podocarpus totara Totara
Poliothyrsis Chinese Pearlbloom Poliothyrsis sinensis Chinese Pearlbloom
Polygala Milkwort Polygonum Polylepis Polylepis australis Queñoa, Tabaquillo
Polyspora Poncirus Populus Aspens, Cottonwoods, Poplars Populus acuminata Populus adenopoda Populus alba Populus angulata Populus angustifolia WIllow-leaved Poplar Populus balsamifera Balsam Poplar Populus × berolinensis Populus × canadensis Populus candicans Ontario Poplar, Balm of Gilead Populus canescens Grey Poplar Populus ciliata Populus deltoides Eastern Cottonwood Populus fremontii Populus × generosa Populus glauca Populus grandidentata BIg-toothed aspen Populus heterophylla Swamp Cottonwood Populus koreana Populus lasiocarpa Populus laurifolia Populus maximowiczii Populus nigra Black Poplar Populus purdomii Populus sargentii Great Plains Cottonwood Populus simonii Populus szechuanica Populus tremula Aspen Populus tremuloides American Aspen Populus trichocarpa Black Cottonwood Populus tristis Populus wilsonii Populus yunnanensis
Potentilla Cinquefoil Prinsepia Prostanthera Prumnopitys Prumnopitys andina Chilean Plum Yew, Lleuque, Uva de Cordillera Prumnopitys taxifolia Matai
Prunus Almonds, Apricots, Bird-cherries, Cherries, Gages, Peaches, Plums Prunus alleghaniensis American Sloe Prunus americana American Red Plum Prunus × amygdalo-persica Prunus amygdalus Prunus angustifolia Chickasaw Plum P watsonii Sand Plum
Prunus apetala Prunus arabica Prunus argentea Prunus armeniaca Apricot Prunus avium Wild Cherry, Gean, Mazzard Prunus besseyi Rocky Mountains Cherry Prunus brigantina Briançon Apricot Prunus campanulata Bell-flowered Cherry Prunus canescens Greyleaf Cherry Prunus cantabrigiensis Cambridge Cherry Prunus cerasifera Cherry Plum, Myrobalan Prunus cerasus Sour Cherry, Morello [Cherry] Prunus cocomilia Naples Plum Prunus concinna Prunus conradinae Prunus consociiflora Prunus cornuta Himalayan Bird Cherry Prunus cuthbertii Prunus dasycarpa Black Apricot Prunus davidiana David's Peach Prunus × dawyckensis Dawyck Cherry Prunus dielsiana Prunus domestica Plum Prunus dulcis Almond Prunus emarginata Bitter Cherry Prunus × fontanesiana Prunus fruticosa Ground Cherry Prunus glandulosa Prunus grayana Gray's Bird Cherry Prunus himalaica Prunus hortulana Prunus humilis Prunus ilicifolia Prunus incana Willow Cherry Prunus incisa Fuji Cherry Prunus jacquemontii Afghan Cherry Prunus kansuensis Prunus lannesiana Prunus laurocerasus Prunus litigiosa Prunus lusitanica Portugal Laurel Prunus maackii Prunus mahaleb Saint Lucie Cherry Prunus maritima Sand Plum, Beach Plum Prunus maximowiczii Prunus microcarpa Prunus mira Prunus mugus Prunus mume Japanese Apricot, Mei Prunus nigra Canada Plum Prunus nipponica Japanese Alpine Cherry Prunus orthosepala Prunus padus Bird Cherry Prunus pensylvanica Pin Cherry Prunus persica Peach Prunus pilosiuscula Prunus prostrata Mountain Cherry Prunus pumila Dwarf american cherry Prunus rufa Prunus salicina Japanese Plum Prunus sargentii Sargent Cherry Prunus serotina Rum Cherry Prunus serrula Prunus serrulata Prunus sibirica Siberian apricot Prunus × sieboldii Naden Prunus simonii Apricot Plum Prunus sogdiana Alycha, Sogdijskaya Plum Prunus speciosa Oshima Cherry Prunus spinosa Sloe, Blackthorn Prunus ssiori Prunus subcordata Oregon Plum Prunus subhirtella Prunus takesimensis Ullung-do Cherry, Takesimensis Cherry Prunus tangutica Prunus tenella Dwarf Russian Almond Prunus tomentosa Downy Cherry Prunus triloba Prunus virginiana Virginian Bird Cherry Prunus × yedoensis Yoshino Cherry perpendens Shidare Yoshino, Weeping Yoshino Cherry 'Ivensii' P 'Moerheimii' P 'Pink Shell'
Pseudocydonia Pseudolarix Pseudolarix amabilis Golden Larch
Pseudopanax Lancewoods Pseudotaxus Pseudotaxus chienii White-berry Yew, White-cup Yew, Baidoushan
Pseudotsuga Douglas-firs Pseudowintera Psoralea Ptelea Pterocarya Wingnuts Pterocarya fraxinifolia Caucasian Wingnut Pterocarya hupehensis Hubei Wingnut, hu bei feng yan Pterocarya macroptera Large-Winged Wingnut, gan su feng yan Pterocarya × rehderiana Pterocarya rhoifolia Japanese Wingnut, sawagurumi, shui hu tao Pterocarya stenoptera Chinese Wingnut, feng yan Pterocarya tonkinensis Tonkin Wingnut, yue nan feng yan
Pteroceltis Pterostyrax Pterostyrax corymbosus Little Epaulette-tree Pterostyrax hispidus The Epaulette Tree, The Fragrant Epaulette Tree Pterostyrax psilophyllus
Punica Punica granatum Pomegranate 'Legrelliae' 'Plena' nana Dwarf Pomegranate
Purshia Pyracantha × Pyracomeles Pyrenaria + Pyrocydonia × Pyronia Pyrus Pears Pyrus amygdaliformis Pyrus betulifolia Pyrus boissieriana Pyrus bretschneideri Ya Pear Pyrus calleryana Pyrus communis Common Pear 'Beech Hill' P cordata P cossonii P syriaca caucasica Caucasian Pear gharbiana longipes Algerian Pear mamorensis
Pyrus elaeagnifolia Pyrus fauriei Korean Pea Pear Pyrus glabra Pyrus korshinskyi Pyrus × michauxii Pyrus nivalis Snow Pear Pyrus pashia Pyrus phaeocarpa Pyrus pyrifolia Sand Pear Pyrus regelii Pyrus salicifolia Wlllow-leaved Pear Pyrus ussuriensis