Persicaria lanigera 
Peruvian Apple Cactus 
Peruvian Bougainvillea 
Petrorhagia dubia 
Petrorhagia grandiflora 
Petrorhagia velutina 
Petrorhagia zoharyana 
Phytolacca bogotensis 
Pig face 
Pilosocereus curtisii 
Pilosocereus royenii 
Pilosocereus splendidus 
Pimpernel sundew 
Pineapple Cactus 
Pink Mulla Mulla 
Pink Sand Verbena 
Pink Sundew 
Pink Trailing Iceplant 
Pink-headed Persicaria 
Plains Pricklypear 
Polycarpaea repens 
Polycarpaea robbairea 
Polycarpon succulentum 
Polygonum bistortoides