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Pinus pinaster

Cluster Pine, Maritime Pine
Mature form Mature form Mature seed cones Mature seed cones Stems and needles Stems and needles

Pinus pinea

Italian Stone Pine, Parasol Pine, Roman Pine, Stone Pine, Umbrella Pine
Pine with umbrella-shaped canopy Pine with umbrella-shaped canopy Pine with umbrella-shaped canopy Pine with umbrella-shaped canopy Pine with umbrella-shaped canopy Pine with umbrella-shaped canopy

Pinus ponderosa

Arizona Pine, Arizona Ponderosa Pine, Blackjack Pine, Bull Pine, Pacific Pondeosa Pine, Ponderosa Pine, Rocky Mountain Ponderosa Pine, Trucker Pine, Western Yellow Pine, Yellow Pine
Pinus ponderosa Pinus ponderosa
2 Cultivars/Varieties

Pinus ponderosa var. scopulorum

Black Hills Ponderosa Pine, Interior Ponderosa Pine, Ponderosa Pine, Rocky Mountain ponderosa pine, Rocky Mountain yellow pine
Form in Gifford Canyon in Utah Form in Gifford Canyon in Utah Pine needles at branch tips in Gifford Canyon in Utah Pine needles at branch tips in Gifford Canyon in Utah Branch tip with multiple conical brownish flowers in May in Germ Branch tip with multiple conical brownish flowers in May in Germ Brown pinecone at branch tip in June in Bozeman, Montana Brown pinecone at branch tip in June in Bozeman, Montana

Pinus pungens

Bur Pine, Table Mountain Pine
Form Form Form Form Tree form (Randolph County, NC)-Early Spring Tree form (Randolph County, NC)-Early Spring Form Form Hooked spines in seed cone (Randolph County, NC)-Early Spring Hooked spines in seed cone (Randolph County, NC)-Early Spring Stem with needle attachment (Randolph County, NC)-Early Spring Stem with needle attachment (Randolph County, NC)-Early Spring

Pinus rigida

Black Pine, Hard Pine, Northern Pitch Pine, Pitch Pine, Torch Pine, Yellow Pine
Branches with cones (Seneca County, NY)-Late Winter Branches with cones (Seneca County, NY)-Late Winter Tree form (Seneca County, NY)-Late Winter Tree form (Seneca County, NY)-Late Winter Branches (Seneca County, NY)-Late Winter Branches (Seneca County, NY)-Late Winter Top view of seed cones (Seneca County, NY)-Late Winter Top view of seed cones (Seneca County, NY)-Late Winter Side view of seed cone (Seneca County, NY)-Late Winter Side view of seed cone (Seneca County, NY)-Late Winter Spines on seed cone (Seneca County, NY)-Late Winter Spines on seed cone (Seneca County, NY)-Late Winter
3 Cultivars/Varieties

Pinus serotina

Bay Pine, Black Bark Pine, Marsh Pine, Pocosin Pine, Pond Pine
Tree form (Colleton County, SC)-Mid Fall Tree form (Colleton County, SC)-Mid Fall Color illustrations of the technical details of this species. Color illustrations of the technical details of this species. Cone Cone Mature seed cone (Colleton County, SC)-Mid Fall Mature seed cone (Colleton County, SC)-Mid Fall Branch and needles (Colleton County, SC)-Mid Fall Branch and needles (Colleton County, SC)-Mid Fall Top of tree (Colleton County, SC)-Mid Fall Top of tree (Colleton County, SC)-Mid Fall

Pinus strobus

Eastern White Pine, North American White Pine, Northern White Pine, Soft Pine, White Pine
Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus Pinus strobus
6 Cultivars/Varieties

Pinus strobus 'Nana'

Dwarf Eastern White Pine, Eastern White Pine
Pinus strobus 'nana' close up needles Pinus strobus 'nana' close up needles Pinus strobus 'Nana' Pinus strobus 'Nana' Pinus strobus 'nana' bark Pinus strobus 'nana' bark Pinus strobus 'nana' needles Pinus strobus 'nana' needles Branch Branch Form (taken in summer) Form (taken in summer)

Pinus strobus 'Pendula'

Weeping Eastern White Pine, Weeping White Pine
Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula' Pinus strobus 'Pendula'

Pinus sylvestris

Archangel Redwood, Baltic Redwood, Norway Fir, Scotch Fir, Scotch Pine, Scots Pine
Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris Pinus sylvestris
10 Cultivars/Varieties

Pinus sylvestris 'Glauca Nana'

Dwarf Blue Scotch Pine
Pinus sylvestris 'Glauca Nana' Pinus sylvestris 'Glauca Nana'

Pinus sylvestris 'Nana'

Dwarf Scotch Pine
Bonsai in April in Brooklyn, NY Bonsai in April in Brooklyn, NY Branches with 5 flower spikes on the tips in May Branches with 5 flower spikes on the tips in May

Pinus sylvestris 'Watereri'

Dwarf Scots Pine, Walter Pine
Form in May France Form in May France Pine needles in June in Wojslawice, Poland Pine needles in June in Wojslawice, Poland Branch tips displaying pinkish brown spikes in Wroclaw, Poland Branch tips displaying pinkish brown spikes in Wroclaw, Poland Branch tip displaying brown pinecone in Wroclaw, Poland Branch tip displaying brown pinecone in Wroclaw, Poland Short brown trunk with multiple curved branches Short brown trunk with multiple curved branches

Pinus taeda

Loblolly Pine, Oldfield Pine, Yellow Pine
Growing in a stand Growing in a stand Color illustrations of the technical details of this species. Color illustrations of the technical details of this species. Pinus taeda Pinus taeda Male cones Male cones Male cones Male cones Female cone Female cone
1 Cultivar/Variety

Pinus taeda 'Nana'

Dwarf Loblolly Pine

Pinus thunbergii

Green Pine, Japanese Black Pine, Thurnberg Pine
Pinus thunbergii Pinus thunbergii Pinus thunbergii Pinus thunbergii Pinus thunbergii Pinus thunbergii Pinus thunbergii Pinus thunbergii Leaf Detail Leaf Detail Fruit and Leaf Fruit and Leaf
7 Cultivars/Varieties

Pinus thunbergii 'Thunderhead'

Thunderhead Japanese Black Pine, Thunderhead Pine
Pinus thunbergii 'Thunderhead' Pinus thunbergii 'Thunderhead' Pinus thunbergii 'Thunderhead' Pinus thunbergii 'Thunderhead'

Pinus virginiana

Jersey Pine, Possum Pine, Scrub Pine, Spruce Pine, Virginia Pine
Pinus virginiana Pinus virginiana Pinus virginiana Pinus virginiana Pinus virginiana Pinus virginiana Two needles per bundle - comparison photo of Pinus pungens Two needles per bundle - comparison photo of Pinus pungens
1 Cultivar/Variety

Pinus wallichiana

Bhutan Pine, Himalayan Pine, Himalayan White Pine
Form in June in Arunachal Pradesh, India Form in June in Arunachal Pradesh, India Cones/Needles in May in Bagmati, Nepal Cones/Needles in May in Bagmati, Nepal
2 Cultivars/Varieties

Pinus yunnanensis

Chinese Pine, Yunnan Pine
Form in August in Lijiang, China Form in August in Lijiang, China Flower in March in Kunming, China Flower in March in Kunming, China Cone in March in Kunming, China Cone in March in Kunming, China

Pistacia chinensis

Chinese Pistache, Chinese Pistachio
sparsely branched tree with pinnate leaves turning red sparsely branched tree with pinnate leaves turning red Shoot with clusters of drupes turning from green to red. Shoot with clusters of drupes turning from green to red. Large tree with dense crown shading a sidewalk. Large tree with dense crown shading a sidewalk. Small tree with rounded crown. Foliage is intense red. Small tree with rounded crown. Foliage is intense red. Catkins of reddish flower buds erupting from bare limbs. Catkins of reddish flower buds erupting from bare limbs. Small tree with rounded crown. Foliage is turning red Small tree with rounded crown. Foliage is turning red
1 Cultivar/Variety

Pistia stratiotes

Nile Cabbage, Shellflower, Water Cabbage, Water Lettuce
Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes Pistia stratiotes

Pittosporum heterophyllum

Chinese Pittosporum
Pittosporum heterophyllum Pittosporum heterophyllum Pittosporum heterophyllum Marginata fm 052209 SFA TX Pittosporum heterophyllum Marginata fm 052209 SFA TX
1 Cultivar/Variety

Pittosporum tobira

Australian Laurel, Japanese Pittosporum, Mockorange, Mock Orange, Pittosporum, Variegated Japanese Pittosporum
Pittosporum tobira Pittosporum tobira Pittosporum tobira Pittosporum tobira pittosporum compacta leaf and flower in Wilmington, NC pittosporum compacta leaf and flower in Wilmington, NC Pittosporum tobira 'Variegata' Pittosporum tobira 'Variegata' pittosporum compacta form in Wilmington, NC pittosporum compacta form in Wilmington, NC
5 Cultivars/Varieties

Pityopsis graminifolia

Narrow-leaf Silkgrass
Narrow-leaf Silkgrass Narrow-leaf Silkgrass Narrow-leaf Silkgrass Narrow-leaf Silkgrass Pityopsis graminifolia Pityopsis graminifolia

Planera aquatica

Water Elm
Form Form Form Form Leaves Leaves Bark Bark

Plantago lanceolata

Buckhorn Plantain, English plantain, Lance Leaf Plantain, Lanceleaf Plantain, Narrow-leaf Plantain, Narrowleaf Plantain, Ribwort Plantain, Strap Leaf Plantain, Strapleaf Plantain
Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata Plantago lanceolata

Plantago major

Broad-leaved plantain, Cart Track Plant, Cuckoo’s bread, Doorweed, Dooryard plantain, Englishman’s-foot, Great plantain, Plantain, Ripple grass, Roundelay plantain, Slan-lus, Snake-plant, Snakeweed, Waybread, Waybroad, Whiteman’s-foot
Plantago major Plantago major Plantago major Plantago major Plantago major Plantago major Plantago major Plantago major

Plantago virginica

Dwarf Plantain, Hoary Plantain, Paleseed Indian-wheat, Pale Seed Plantain, Paleseed Plantain, Southern Plantain, Virginia Plantain
Form Form Flowers Flowers Leaf closeup Leaf closeup Form with fruits Form with fruits Close up of fruits Close up of fruits

Platanthera

Butterfly Orchid, Fringed Orchid
Purple Fringe Orchid Purple Fringe Orchid White Bog Ochid form White Bog Ochid form White Fringe Orchid flower White Fringe Orchid flower P. bifolia flower P. bifolia flower P. hologlittis stem and leaves P. hologlittis stem and leaves Greenish flowers (Monroe County, NY)-Early Fall Greenish flowers (Monroe County, NY)-Early Fall

Platanthera ciliaris

Bobwhite's-mocassin, Orange Fringed Orchid, Orange Plume, Owl's Head, Yellow Fringed Orchid
Flower - Closeup - Late summer - Croatan National Forest - NC Flower - Closeup - Late summer - Croatan National Forest - NC Form - Late summer - Croatan National Forest - NC Form - Late summer - Croatan National Forest - NC Flower - Late summer - Croatan National Forest - NC Flower - Late summer - Croatan National Forest - NC View of the inflorecence from the top. Frederick Co., Maryland View of the inflorecence from the top. Frederick Co., Maryland Flowers bloom from the bottom of the inflorescence to the top. Flowers bloom from the bottom of the inflorescence to the top. Simple leaves clasp the stem. Simple leaves clasp the stem.

Platanthera flava

Northern Tubercled Bog-orchid, Pale Green Orchid, Southern Rein-orchid
Form of var. herbiola Form of var. herbiola Flowers of var. herbiola Flowers of var. herbiola Close up of flower of var. flava Close up of flower of var. flava Form of var. flava Form of var. flava Flowers of var. flava Flowers of var. flava
2 Cultivars/Varieties

Platanthera lacera

Green Fringed Orchid, Ragged Fringed Orchid
Flowers Flowers Close up of flower Close up of flower Form Form Leaf Leaf Underside of leaf Underside of leaf Leaf attachment Leaf attachment

Platanthera orbiculata

Dinner-Plate Orchid, Large Round-Leaf Orchid, Roundleaf Rein Orchid, Round-Leaved Orchis
Flowers Flowers Form Form Close up of flower Close up of flower Leaves Leaves

Platanus occidentalis

American Plane Tree, American Sycamore, Buttonball Tree, Buttonwood, Eastern Sycamore, Sycamore
Platanus occidentalis Form Platanus occidentalis Form Platanus occidentalis Bark Platanus occidentalis Bark Platanus occidentalis, American Sycamore bark Platanus occidentalis, American Sycamore bark Platanus occidentalis Fruit and Leaves Platanus occidentalis Fruit and Leaves Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore leaves and fruit Platanus occidentalis, American Sycamore buds Platanus occidentalis, American Sycamore buds
1 Cultivar/Variety

Platanus x acerifolia

London Planetree, London Plane Tree, Maple Leaved Plane Tree
Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Platanus x acerfolia Bark Bark Breaking bud Breaking bud
7 Cultivars/Varieties

Platycerium

Elkhorn Fern, Staghorn Fern
8 Cultivars/Varieties

Platycerium bifurcatum

Common Staghorn Fern, Elkhorn Fern, Staghorn Fern
Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Platycerium bifurcatum Form Form
1 Cultivar/Variety

Platycladus orientalis

Eastern Arbor-Vitae, Oriental Arborvitae, Oriental thuja
Platycladus orientalis Platycladus orientalis Platycladus orientalis Platycladus orientalis Fruit and Leaf Fruit and Leaf Platycladus orientalis Platycladus orientalis Platycladus orientalis Platycladus orientalis Platycladus orientalis Platycladus orientalis
7 Cultivars/Varieties

Platycladus orientalis 'Morgan'

Morgan Chinese Arborvitae, Morgan Oriental Arborvitae

Platycodon grandiflorus

Balloon Flower, Chinese Balloon Flower, Chinese Bellflower, Japanese Bellflower
Balloon flower Platycodon grandiflorus Balloon flower Platycodon grandiflorus Platycodon grandiflorus Platycodon grandiflorus emerging plant, spring, Durham County, NC emerging plant, spring, Durham County, NC 'Astra Blue', form, late spring, Warren County, NC 'Astra Blue', form, late spring, Warren County, NC Platycodon grandiflorus Platycodon grandiflorus Flower Flower
1 Cultivar/Variety

Plectranthus

Coleus, Spur flower
Form Form Form Form Flowers Flowers Form Form Form Form

Plectranthus amboinicus

Caribbean Oregano, Cuban Oregano, French Thyme, Indian Mint, Mexican Mint, Soup Mint, Spanish Thyme
Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus Plectranthus amboinicus 'Variegatus' Plectranthus amboinicus 'Variegatus'

Plectranthus glabratus

Candle Plant, Swedish Ivy
mounding plant with small leaves bordered in white. mounding plant with small leaves bordered in white.

Plectranthus 'Mona Lavender'

Lavender Spur Flower, Mona Lavender, Swedish Ivy
Plectranthus 'Mona Lavender' purple and white spur flower Plectranthus 'Mona Lavender' purple and white spur flower Plectranthus 'Mona Lavender' leaves with purple undersides. Plectranthus 'Mona Lavender' leaves with purple undersides. Form in a Pot Form in a Pot Flowers and stem Flowers and stem Leaf undersides are purple top side glossy green. Leaf undersides are purple top side glossy green. Plant Plant
1 Cultivar/Variety

Plectranthus oertendahlii

Brazilian Coleus, November Lights, Oertendahl’s Spurflower, Prostrate Coleus, Silverleaf Spurflower, Swedish Ivy
trailing plant with small, silver-veined leaves. trailing plant with small, silver-veined leaves.

Plectranthus parviflorus

Cockspur Flower, Creeping Charlie, Little Spurflower, Spurflower, Swedish Ivy, White Edged Swedish Ivy
Plectranthus parviflorus Plectranthus parviflorus Plectranthus parviflorus Plectranthus parviflorus