Dendrobium pendulum Roxb. Dendrobium pensile Ridl. Dendrobium pentanema Schltr. Dendrobium pentapterum Schltr. Dendrobium percnanthum Rchb.f. Dendrobium pergracile Ames Dendrobium perlongum Schltr. Dendrobium perpaulum Seidenf. Dendrobium perulatum Gagnep. Dendrobium petiolatum Schltr. Dendrobium petrophilum (Kraenzl.) Garay ex N.Hallé Dendrobium phaeanthum Schltr. Dendrobium phaeanthum Schltr. Dendrobium phalangillum J.J.Sm. Dendrobium phalangium Schltr. Dendrobium philippinense Ames Dendrobium phillipsii Ames & Quisumb. Dendrobium phragmitoides Schltr. Dendrobium phuketense Schuit. & Peter B.Adams Dendrobium pictum Lindl. Dendrobium piestocaulon Schltr. Dendrobium piestocaulon var. kauloense Schltr. Dendrobium piestocaulon var. piestocaulon Dendrobium pililobum J.J.Sm. Dendrobium pinifoliumLeslie Andrew Garay Dendrobium piranha C.L.Chan & P.J.Cribb Dendrobium planibulbe Lindl. Dendrobium planicaule Ridl. Dendrobium planum J.J.Sm. Dendrobium platybasis J.J.Sm. Dendrobium platycaulon Rolfe Dendrobium platyclinoides J.J.Sm. Dendrobium platygastrium Rchb.f. Dendrobium platylobum (Schltr.) J.J.Sm. Dendrobium platyphyllum Schltr. Dendrobium pleasancium P.O'Byrne & J.J.Verm Dendrobium plebeim J.J.Sm. Dendrobium pleianthum Schltr. Dendrobium pleiostachyum Rchb.f. Dendrobium pleurodes Schltr. Dendrobium plicatile Lindl. Dendrobium plumilobum J.J.Sm. Dendrobium podocarpifolium Schltr. Dendrobium podochiloides Schltr. Dendrobium pogonatherum J.J.Sm. Dendrobium pogoniates Rchb.f. Dendrobium pohnpeiense Schuit. & Peter B.Adams Dendrobium poissonianum Schltr. Dendrobium polyanthum Wall. ex Lindl. Dendrobium polycladium Rchb.f. Dendrobium polycladium var. atractoglossum N.Hallé Dendrobium polycladium var. polycladium Dendrobium polyphyllum Schltr. Dendrobium polyrhopalon Ormerod Dendrobium polyschistum Schltr. Dendrobium polyschistum var. graminiforme Schltr. Dendrobium polyschistum var. polyschistum Dendrobium polytrichum Ames Dendrobium ponapense Schltr. Dendrobium poneroides Schltr. Dendrobium poneroides var. angustum Schltr. Dendrobium poneroides var. poneroides Dendrobium porphyrochilum Lindl. Dendrobium potamophila Schltr. Dendrobium praecinctum Rchb.f. Dendrobium praemorsum Schuit. & de Vogel Dendrobium praetermissum Seidenf. Dendrobium prasinum Lindl. Dendrobium prianganense J.J.Wood & J.B.Comber Dendrobium × primulardii Horridge Dendrobium procerum Schltr. Dendrobium procumbens Carr Dendrobium profusum Rchb.f. Dendrobium prostheciglossum Schltr. Dendrobium prostratum Ridl. Dendrobium proteranthum Seidenf. Dendrobium protractum Dauncey Dendrobium pruinosum Teijsm. & Binn. – honey orchid Dendrobium pseudoaloifolium J.J.Wood Dendrobium pseudoaprinum J.J.Sm. Dendrobium pseudocalceolum J.J.Sm. Dendrobium pseudoclavator J.J.Wood Dendrobium pseudoconanthum J.J.Sm. Dendrobium pseudoconvexum Ames Dendrobium pseudoconvexum Fessel & Lückel Dendrobium pseudoglomeratum T.M.Reeve & J.J.Wood Dendrobium pseudointricatum Guillaumin Dendrobium pseudokurashigei J.J.Wood Dendrobium pseudolamellatum J.J.Wood & A.L.Lamb Dendrobium pseudopeloricum J.J.Sm. Dendrobium pseudorarum Dauncey Dendrobium pseudorarum var. baciforme Dauncey Dendrobium pseudostriatellum J.J.Wood & P.O'Byrne Dendrobium pseudotenellum Guillaumin Dendrobium pterocarpum Ames Dendrobium puberulilingue J.J.Sm. Dendrobium pugioniforme A.Cunn. ex Lindl. – dagger orchid Dendrobium pulchellum Roxb. ex Lindl. Dendrobium pulchrum Schltr. Dendrobium pulleanum J.J.Sm. Dendrobium pullenianum Ormerod Dendrobium pulvilliferum Schltr. Dendrobium pulvinatum Schltr. Dendrobium punamense Schltr. Dendrobium punbatuense J.J.Wood Dendrobium puncticulosum J.J.Sm. Dendrobium puniceum Ridl. Dendrobium purpureiflorum J.J.Sm. Dendrobium purpureoflavescens Ormerod Dendrobium purpureostelidium Ames Dendrobium purpureum Roxb. Dendrobium purpureum subsp. candidulum (Rchb.f.) Dauncey and P.J.Cribb