Ponthieva diptera 
Ponthieva rostrata 
Portuguese squill 
Pot-Like Lepanthes 
Powell's crinum lily 
Prairie onion 
Prairie Pleatleaf 
Prapawan Blue 
Pregnant onion 
Prescottia stachyodes 
Pride of Table Mountain 
Prospero hanburyi 
Prosthechea aemula 
Prosthechea baculus 
Prosthechea brassavolae 
Prosthechea crassilabia 
Prosthechea fragrans 
Prosthechea grammatoglossa 
Prosthechea pamplonense 
Prosthechea sceptra 
Provence orchis 
Pterichis leucoptera 
Pterichis pauciflora 
Purple Beard Orchid