A seguinte é uma lista das 2400 espécies do gênero de planta com flor de Piper que é reconhecida pela Plants of the World Online.
A
Piper abajoense Bornst. Piper abalienatum Trel. Piper abbadianum Yunck. Piper abbreviatum Opiz Piper abellinum Trel. & Yunck. Piper aberrans C.DC. Piper abutiloides (Kunth) Kunth ex Steud. Piper achoteanum Trel. Piper achotense Trel. & Yunck. Piper achromatolepis Trel. Piper achupallasense Yunck. Piper acre Blume Piper actae Trel. Piper acutamentum C.DC. Piper acutibracteum C.DC. Piper acutifolium Ruiz & Pav. Piper acutilimbum C.DC. Piper acutissimum Trel. Piper acutistigmum C.DC. Piper acutistipulum C.DC. Piper acutiusculum C.DC. Piper acutulum Trel. Piper adamatum Trel. & Standl. Piper addisonii Yunck. Piper adenandrum (Miq.) C.DC. Piper adenophlebium Trel. Piper admirabile Yunck. Piper adreptum Trel. Piper aduncum L. Piper aequale Vahl Piper aereum Trel. Piper aeruginosibaccum Trel. Piper affectans Trel. Piper affictum Trel. Piper afflictum Trel. Piper agellifolium Trel. & Yunck. Piper aghaense E.F.Guim. & Carv.-Silva Piper agostiniorum Steyerm. Piper aguacalientis Trel. Piper aguadulcense Yunck. Piper agusanense C.DC. Piper ailigandiense Callejas Piper alajuelanum Trel. Piper alatabaccum Trel. & Yunck. Piper alatipetiolatum Yunck. Piper albamentum C.DC. Piper albanense Yunck. Piper albiciliatum Yunck. Piper albidiflorum C.DC. Piper albidistigmatum C.DC. Piper albidum Kunth Piper albogranulatum Trel. Piper albomaculatum D.Dietr. Piper albopapillatum Trel. Piper albopilosum Yunck. Piper albopunctatum C.DC. Piper albopunctulatissimum Trel. Piper albozonatum C.DC. Piper albuginiferum Trel. Piper alexii Callejas Piper aleyreanum C.DC. Piper allardii Yunck. Piper allatum Trel. Piper allisum Trel. Piper alnoides (Kunth) Kunth ex Steud. Piper altevaginans Trel. Piper alushii Callejas Piper alveolatum Opiz Piper amalago L. Piper amoenum Yunck. Piper amparoense Yunck. Piper amphibium Trel. Piper amphioxys Trel. Piper amphitrichum Trel. Piper amphoricarpum Trel. Piper amplectenticaule Trel. & Yunck. Piper amplum (Kunth) Steud. Piper anastylum Trel. Piper andakiensis W.Trujillo-C. & Callejas Piper andreanum C.DC. Piper andresense Trel. Piper androgynum C.DC. Piper angamarcanum Sodiro ex C.DC. Piper angsiense I.M.Turner Piper angustifolium Lam. Piper angustipeltatum Merr. Piper anisophyllum Trel. Piper anisopleurum C.DC. Piper anisotis Hook.f. Piper anisotrichum C.DC. Piper anisum (Spreng.) Angely Piper annulatispicum Trel. & Yunck. Piper anonifolium (Kunth) Steud. Piper anonymum Trel. Piper anostachyum Yunck. Piper antherisobovatum Callejas Piper antioquiense C.DC. Piper antonense Callejas Piper apertum Trel. Piper apodum Trel. Piper appendiculatum (Benth.) C.DC. Piper apurimacanum Trel. Piper apus Trel. Piper aramanum C.DC. Piper araneatum Trel. Piper araquei Yunck. Piper arbelaezii Trel. & Yunck. Piper arboreum Aubl. Piper arborigaudens C.DC. Piper arborioccupans Trel. ex Callejas Piper arcessitum Trel. Piper archeri Trel. & Yunck. Piper arcteacuminatum Trel. Piper arcuatum Blume Piper arduum Trel. Piper arenicola Trel. Piper areolatum (Miq.) C.DC. Piper arfakianum C.DC. Piper argentamentum Trel. & Yunck. Piper argyrites Ridl. ex C.DC. Piper argyroneurum Hallier f. Piper argyrophyllum Miq. Piper arieianum C.DC. Piper aristolochiphyllum Quisumb. Piper armatum Trel. & Yunck. Piper aromaticaule Callejas Piper arrectispicum Trel. Piper arreptum Trel. Piper artanthe C.DC. Piper artanthopse C.DC. Piper articulatum A.Rich. Piper arunachalense Gajurel, Rethy & Y.Kumar Piper arundinetorum Trel. Piper ascendentispicum Trel. Piper asclepiadifolium Trel. Piper aserrianum Trel. Piper aspericaule Trel. Piper asperilimbum C.DC. Piper asperiusculum Kunth Piper asperulibaccum C.DC. Piper asplundii Yunck. Piper asterocarpum Trel. Piper asterostigmum Quisumb. Piper asterotrichum C.DC. Piper asymmetricum C.DC. Piper atlantidanum Trel. Piper atrichopus Trel. Piper atrobaccum Trel. & Yunck. Piper atroglandulosum Tebbs Piper atropremnon Trel. Piper attenuatamentum Trel. Piper attenuatum Buch.-Ham. ex Miq. Piper augustum Rudge Piper aulacospermum Callejas Piper auriculiferum Trel. Piper auriculilaminum Yunck. Piper aurilimbum C.DC. Piper auritifolium Trel. Piper auritum Kunth Piper aurorubrum C.DC. Piper austini Trel. Piper austrocaledonicum C.DC. Piper austromexicanum Trel. Piper austrosinense Y.C.Tseng Piper avanum Wall. Piper avellanum (Miq.) C.DC. Piper azuaiense Yunck. Piper azupizuanum Trel.
B
Piper baccans (Miq.) C.DC. Piper baccatum Blume Piper baculiferum Trel. Piper baezanum Sodiro ex C.DC. Piper baezense Trel. Piper baguionum C.DC. Piper bahianum Yunck. Piper bajanum Trel. & Yunck. Piper bakeri C.DC. ex Callejas Piper bakerianum C.DC. Piper balansae C.DC. Piper balsapuertanum Trel. Piper bambusifolium Y.C.Tseng Piper bangii C.DC. Piper bangkanum C.DC. Piper bantamense Blume Piper baracoanum León Piper baramense C.DC. Piper barbatum Kunth Piper barberi Gamble Piper barbicuspe Trel. Piper barbinerve Trel. Piper barbirostre Trel. Piper barbispicum C.DC. Piper barbosanum Trel. & Yunck. Piper barbulantherum Trel. Piper barbulatum C.DC. Piper barcoense Yunck. Piper barkleyi Yunck. Piper barretoi Yunck. Piper barriosense Trel. & Standl. Piper bartlingianum (Miq.) C.DC. Piper basegibbosum Callejas Piper basilobatum Trel. & Yunck. Piper batuanum C.DC. Piper beccarii C.DC. Piper begoniicolor Trel. & Yunck. Piper begoniifolium Hook. & Arn. Piper begoniiforme Yunck. Piper belicense Callejas Piper bellidifolium Yunck. Piper belloi Yunck. Piper bellum Yunck. Piper belterraense Yunck. Piper bengalense C.DC. Piper bennettianum C.DC. Piper berembunense Chaveer. & Sudmoon Piper berlandieri C.DC. Piper bermejanum Trel. & Yunck. Piper bernoullii C.DC. ex Callejas Piper berryi Steyerm. Piper betle L. Piper betleoides C.DC. Piper betloides Chaveer. & Tanomtong Piper biauritum C.DC. Piper bicorne Carv.-Silva, E.F.Guim. & L.A.Pereira Piper bikanum O.Schwartz Piper bilobulatum C.DC. Piper bipedale C.DC. Piper bipunctatum C.DC. Piper biritak Trel. & Standl. Piper bisasperatum Trel. Piper biseriatum C.DC. Piper bistigmatum C.DC. Piper blattarum Spreng. Piper blepharilepidum Trel. Piper boehmeriifolium (Miq.) Wall. ex C.DC. Piper boissierianum C.DC. Piper boivinii C.DC. Piper bojonyum C.DC. Piper bolanicum Schltr. ex R.O.Gardner Piper bolivaranum Yunck. Piper bolivianum C.DC. Piper bonii C.DC. Piper boorsroae C.DC. Piper boqueronense Callejas Piper boquetense Yunck. Piper boquianum Trel. & Yunck. Piper borbonense (Miq.) C.DC. Piper borneense N.E.Br. Piper bosnicanum C.DC. Piper botrytes Vahl Piper bourgeaui C.DC. Piper bowiei Yunck. Piper brachipilum Yunck. Piper brachistopodum C.DC. Piper brachypetiolatum Yunck. Piper brachypodon (Benth.) C.DC. Piper brachypus Trel. Piper brachystylum Trel. Piper brachytrichum Trel. Piper bradei Yunck. Piper brassii Trel. Piper bredemeyeri J.Jacq. Piper breedlovei Callejas Piper brenesii C.DC. Piper breve C.DC. Piper brevesanum Yunck. Piper breviamentum C.DC. Piper brevicuspe (Miq.) Merr. Piper brevifolium C.DC. Piper brevilimbum C.DC. Piper brevipedicellatum Bornst. Piper brevipedunculatum C.DC. Piper brevipes C.DC. Piper brevispicum C.DC. Piper brevistigmum C.DC. Piper brevistrigillosum Trel. Piper brevistylum C.DC. Piper brewsteri Callejas Piper brisasense Yunck. Piper brongniartii (Miq.) C.DC. Piper brownsbergense Yunck. Piper bryogetum C.DC. Piper buchii Urb. Piper buchingeri C.DC. ex Callejas Piper bullatifolium Sodiro Piper bullatilimbum Pilg. Piper bullosum C.DC. Piper bullulatum M.A.Jaram. Piper bullulifolium Trel. Piper burenii C.DC. Piper burgeri Callejas Piper burkillii Ridl. Piper buruanum Miq.
C
Piper cabagranum C.DC. Piper caballetense R.Bernal Piper caballo-cochanum Trel. Piper cabralanum C.DC. Piper cachimboense Yunck. Piper cacuminum C.DC. Piper cadenaense Tebbs Piper caducibracteum C.DC. Piper cajamarcanum Yunck. Piper cajambrense Trel. & Yunck. Piper caladiifolium (Miq.) C.DC. Piper calamistratum Trel. Piper calanyanum Trel. & Yunck. Piper calcaratum C.DC. Piper calcariforme Tebbs Piper calceolarium C.DC. Piper caldasianum (Miq.) Yunck. Piper caldense C.DC. Piper calderonii Trel. ex Callejas Piper caliendriferum Trel. Piper callcanense Trel. Piper callibracteum C.DC. Piper callosum Ruiz & Pav. Piper calocoma (Miq.) C.DC. Piper calophyllum C.DC. Piper calvarii S.M.Niño & Dorr Piper calvescens Trel. Piper calvescentinerve Trel. Piper calvibaccum Trel. Piper calvilimbum C.DC. Piper calvirameum C.DC. Piper cambessedesii (Miq.) C.DC. Piper cambodianum C.DC. Piper camiloi Yunck. Piper campanum Yunck. Piper camphoriferum C.DC. Piper campii Yunck. Piper camptostachys Urb. Piper canaense Standl. Piper canaliculum Tebbs Piper canastrense E.F.Guim. & Carv.-Silva Piper canavillosum Steyerm. Piper candelarianum C.DC. Piper candollei Sodiro Piper canescens J.Mathew Piper canovillosum Steyerm. Piper capacibracteum Trel. Piper capense L.f. Piper capillipes Trel. & Yunck. Piper capillistipes Trel. Piper capitarianum Yunck. Piper capitellatum C.DC. Piper captum Trel. Piper caquetanum Yunck. Piper caracolanum C.DC. Piper caranoense W.Trujillo-C. Piper cararense Trel. & Yunck. Piper carautensei E.F.Guim. & Carv.-Silva Piper carizalanum C.DC. Piper carlosii Trel. & Yunck. Piper carminis Trel. Piper carnibracteum C.DC. Piper carniconnectivum C.DC. Piper carnistigmum C.DC. Piper carpinteranum C.DC. Piper carpunya Ruiz & Pav. Piper carrapanum Trel. Piper carrilloanum C.DC. Piper cartagoanum C.DC. Piper casapiense (Miq.) C.DC. Piper casimirianum Hemsl. Piper cassinoides Opiz Piper casteloense Yunck. Piper castroanum Trel. & Yunck. Piper cataractarum Trel. Piper cathayanum M.G.Gilbert & N.H.Xia Piper cativalense Trel. Piper catripense Yunck. Piper caucaense Yunck. Piper caudatifolium Trel. Piper cavalcantei Yunck. Piper cavendishioides Trel. & Yunck. Piper cayoense Trel. Piper ceanothifolium Kunth Piper ceibense C.DC. Piper cejanum Trel. & Yunck. Piper celebicum Blume Piper celer Trel. Piper celsum Trel. Piper celtidiforme Opiz Piper cenocladum C.DC. Piper centroense Trel. & Yunck. Piper ceramicum (Miq.) C.DC. Piper cercidiphyllum Trel. Piper cernuum Vell. Piper cerrocampanum Callejas Piper cerronianum Steyerm. Piper certeguiense Trel. & Yunck. Piper chacaritaense Callejas Piper chagresianum Trel. Piper chalhuapuquianum Trel. Piper chamissonis (Miq.) Steud. Piper chanchamayanum Trel. Piper chanekii Trel. Piper changuinolanum Trel. Piper chantaranothaii Suwanph. & D.A.Simpson Piper chavicoides (Miq.) C.DC. Piper cheyennense Trel. & Standl. Piper chiadoense Yunck. Piper chiangdaoense Suwanph. & Chantar. Piper chiapasense Callejas Piper chimborazoense Yunck. Piper chimonanthifolium (Kunth) Kunth ex Steud. Piper chinantlense M.Martens & Galeotti Piper chinense Miq. Piper chiquihuitense Trel. & Standl. Piper chiriquinum C.DC. Piper chirripoense C.DC. Piper chlorostachyum C.DC. Piper choapamense Trel. ex Callejas Piper christyi C.DC. Piper chromatolepis Trel. Piper chrysoneurum Trel. Piper chrysostachyum C.DC. Piper chuarense M.A.Jaram. & Callejas Piper chumboense Yunck. Piper churruyacoanum Trel. & Yunck. Piper churumayu Ruiz & Pav. Piper cicatriculosum Trel. & Yunck. Piper cihuatlanense Bornst. Piper ciliatifolium Trel. Piper cilibracteum C.DC. Piper cililimbum Yunck. Piper ciliomarginatum Görts & Christenh. Piper cincinnatum Trel. Piper cinereocaule C.DC. Piper cinereum C.DC. Piper cingens C.DC. Piper ciniflonis Trel. Piper circumspectantis Trel. Piper cirratum Trel. Piper cisnerosense Trel. & Yunck. Piper cispontinum Trel.