Pleroma heteromallum
Silverleafed Princess Flower
Pleroma semidecandrum
Princess Flower
Pleroma urvilleaum
Glory Bush
Pluchea dioscoridis
Vimba
Plumbago auriculata
Cape Leadwort
Plumeria alba
Caterpillar Tree
Plumeria obtusa
Frangipani
Plumeria pudica
Bridal Bouquet
Plumeria rubra
Frangipani
Podranea ricasoliana
Pink Trumpet Vine
Polemonium caeruleum
Jacob's-ladder
Polemonium pauciflorum
Fewflower Jacob's-ladder
Polygala calcarea
Chalk Milkwort
Polygala fruticosa
Feather Dusters
Polygala serpyllifolia
Heath Milkwort
Polygala vulgaris
Common Milkwort
Polygonum arenastrum
Equal-leaved Knotgrass
Polygonum aviculare
Knotgrass
Polygonum oxyspermum
Ray's Knotgrass
Polyscias fruticosa
Ming Aralia
Polyscias guilfoylei
Geranium Aralia
Populus nigra
Black-poplar
Populus tremula
Aspen
Populus x canadensis
Hybrid Black-poplar
Populus x canescens
Grey Poplar
Portulaca grandiflora
Rose Moss
Portulaca oleracea
Common Purslane
Portulaca quadrifida
Pusley
Portulaca umbraticola
Wingpod Purslane
Potentilla anserina
Silverweed
Potentilla erecta
Tormentil
Potentilla gracilis
Graceful Cinquefoil
Potentilla indica
Yellow-flowered Strawberry
Potentilla nitida
Pink Cinquefoil
Potentilla reptans
Creeping Cinquefoil
Potentilla rupestris
Rock Cinquefoil
Potentilla sterilis
Barren Strawberry
Potentilla verna
Spring Cinquefoil
Poterium sanguisorba
Salad Burnet
Pratia pedunculata
Blue#Star Creeper
Premna serratifolia
Buas-Buas
Primula elatior
Oxlip
Primula farinosa
Bird's-eye Primrose
Primula veris
Cowslip
Primula vulgaris
Primrose
Primula x polyantha
False Oxlip
Procris repens
Watermelon Begonia
Prosopis juliflora
Long-thorn Kiaw
Protea cynaroides
King Protea
Prunella vulgaris
Selfheal
Prunus avium
Wild Cherry
Prunus cerasifera
Cherry Plum
Prunus domestica
Wild Plum
Prunus laurocerasus
Cherry Laurel
Prunus padus
Bird Cherry
Prunus spinosa
Blackthorn
Pseuderanthemum grandiflorum
Blue Twilight
Pseuderanthemum maculatum
Ruspolia
Pseuderanthemum variabile
Pastel Flower
Pseudofumaria alba
Pale Corydalis
Pseudofumaria lutea
Yellow Corydalis
Psidium guajava
Common Guava
Pterocarpus indicus
Amboyna Wood
Pterospermum diversifolium
Bayok Tree
Pulicaria dysenterica
Common Fleabane
Pulmonaria officinalis
Lungwort
Pulsatilla alpina
Alpine Pasque#Flower
Pulsatilla pratensis
Small Pasque#Flower
Pulsatilla vulgaris
Pasqueflower
Pyracantha coccinea
Firethorn