WFO Plant List | World Flora Online

As classified in WFO snapshot

December 2024

Warning: older classification

genus

Piper L.

This genus name was first published in Sp. Pl. : 28 (1753)

At the time of this classification snapshot, this genus name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-4000029808.

Literature

Sp. Pl. 1: 28. 1753 [1 May 1753]

Statistics

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Species names in Piper (${formatNumber(totalForStatsWithKey('species'))})

All names in Piper (${formatNumber(totalForStatsWithKey('roles'))})

Accepted names at all ranks within Piper (${formatNumber(totalForStatsWithKey('accepted'))})

All names at all ranks within Piper (${formatNumber(totalForStatsWithKey('ranks'))})

Synonyms of Piper

Name	Author	Protologue	WFO link
Amalago	Raf.	Sylva Tellur. : 84 (1838)	wfo-4000001449
Anderssoniopiper	Trel.	Proc. Amer. Philos. Soc. 73: 329 (1934)	wfo-4000001952
Arctottonia	Trel.	Proc. Amer. Philos. Soc. 69: 315 (1930)	wfo-4000002935
Artanthe	Miq.	Comm. Phytogr. : 40 (1840)	wfo-4000003142
Betela	Raf.	Sylva Tellur.: 85 (1838)	wfo-4000004542
Callianira	Miq.	Syst. Piperac. : 344 (1843)	wfo-4000006044
Carpunya	C.Presl	Abh. Königl. Böhm. Ges. Wiss. , ser. 5, 6: 228 (1851)	wfo-4000006814
Carpupica	Raf.	Sylva Tellur. : 85 (1838)	wfo-4000006815
Caulobryon	C.DC.	Prodr. 16(1): 240. 1869.	wfo-4000007061
Chavica	Miq.	Syst. Piperac. : 222 (1843)	wfo-4000007742
Churumaya	Raf.	Sylva Tellur. : 85 (1838)	wfo-4000008269
Coccobryon	Klotzsch ex Miq.	Syst. Piperac. : 343 (1843)	wfo-4000008714
Cubeba	Raf.	Sylva Tellur. : 165 (1838)	wfo-4000009991
Discipiper	Trel. & Stehlé	Candollea 10: 282. 1946.	wfo-4000012128
Enckea	Kunth	Linnaea 13: 590 (1840)	wfo-4000013370
Gonistum	Raf.	Sylva Tellur. : 85 (1838)	wfo-4000016015
Heckeria	Raf.	Sylva Tellur. : 165 (1838)	wfo-4000017093
Lepianthes	Raf.	Sylva Tellur. 84–85. 1838.	wfo-4000021064
Lindeniopiper	Trel.	Proc. Amer. Philos. Soc. 68: 53 (1929)	wfo-4000021834
Macropiper	Miq.	Comm. Phytogr. : 35 (1840)	wfo-4000022750
Methysticum	Raf.	Sylva Tellur. : 85 (1838)	wfo-4000023949
Muldera	Miq.	Comm. Phytogr. : 32 (1840)	wfo-4000024961
Nematanthera	Miq.	Linnaea 18: 606. 1844[1845]. (prob. Aug 1845)	wfo-4000025535
Ottonia	Spreng.	Neue Entdeck. Pflanzenk. 1: 255 (1820)	wfo-4000027490
Oxodium	Raf.	Sylva Tellur. : 85 (1838)	wfo-4000027531
Peltobryon	Klotzsch ex Miq.	Syst. Piperac. : 369 (1844)	wfo-4000028506
Peperidia	Kostel.	Allg. Med.-Pharm. Fl. 2: 445. 1833.	wfo-4000028678
Piperi	St.-Lag.	Ann. Soc. Bot. Lyon 7: 132 (1880)	wfo-4000029812
Pleiostachyopiper	Trel.	Proc. Amer. Philos. Soc. 73(5): 328–329, pl. a. 1934.	wfo-4000030254
Pothomorphe	Miq.	Comm. Phytogr. : 32 (1840)	wfo-4000031037
Quebitea	Aubl.	Hist. Pl. Guiane 2: 838, t. 327. 1775. (Jun-Dec 1775)	wfo-4000032368
Rhyncholepis	Miq.	Syst. Piperac. 46, 282. 1843. (4-9 Dec 1843)	wfo-4000033133
Schilleria	Kunth	Linnaea 13: 609 (1840)	wfo-4000034328
Serronia	Gaudich. ex Guill.	Icon. Sel. Pl. 3: 54, t. 90. 1837[1838].	wfo-4000035167
Sphaerostachys	Miq.	Syst. Piperac. 46, 375. 1843. (4-9 Dec 1843)	wfo-4000036001
Steffensia	Kunth	Linnaea 13: 609 (1840)	wfo-4000036346
Trianaeopiper	Trel.	Proc. Amer. Philos. Soc. 67: 47 (1928)	wfo-4000038862
Dugagelia	Gaudich.	Voy. Uranie, Bot. 513. 1830 [6 Mar 1830]	wfo-4000044065
Piperiphorum	Neck.	Elem. Bot. 3: 294 (1790)	wfo-4000044875
Suensonia	Gaudich. ex Miq.	Syst. Piperac. : 535 (1844)	wfo-4000044876
Schizonephros	Griff.	Not. Pl. Asiat. 4: 383 (1854)	wfo-4100001116

Species in Piper ( ${pageIsLoading?'loading':'showing'} species ${currentlyShowingRangeFirst} to ${currentlyShowingRangeLast} of ${ totalPartsCount })

Name	Author	Protologue	Nomenclator	WFO link
			—	${taxonConcept.hasName.id}
			— —	${synonym.id}

Unplaced Names

These names are not yet placed in the taxonomy, but may be associated with Piper:

Name	Author	Protologue	Nomenclator	WFO link
Piper abutiloides	(Kunth) Kunth ex Steud.	Nomencl. Bot. ed. 2, 2: 339 1841	—	wfo-0000477235
Piper accedens	S.Moore	J. Bot. 63(Suppl.): 84. 1925		wfo-0000479731
Piper acuminatissimum var. latifolium	C.DC. ex Trel.	–		wfo-0001391447
Piper acuminatum	G.Forst.	Fl. Ins. Austr. : 5 (1786)	—	wfo-1000070191
Piper acutifolium var. acutifolium	–	–	—	wfo-0001094405
Piper aduncum	Vell.	Fl. Flumin. : 26 (1829)	—	wfo-1000070189
Piper aduncum var. ossanum	(C.DC.) Saralegui	Fl. Rep. Cuba, Ser. A. Pl. Vasc. 9(3): 82 2004	—	wfo-0001040872
Piper albidopunctatum	Blume	Verh. Batav. Genootsch. Kunst. xi. (1826) 190. f. 16.		wfo-0000479683
Piper album	Vahl	Enum. Pl. [Vahl] i. 334. 1804		wfo-0000479675
Piper alsinoides	Lam.	Tabl. Encycl. 1: 82 (1791)		wfo-0000479781
Piper alwynii	M.A.Jaram.	Novon 31(1): 256 2023		wfo-1200073493
Piper alwynii	R.Callejas P. & Betancur	Novon 7: 17, f. 1 1997	—	wfo-0001236570
Piper amplifolium	C.DC.	Prodr. [A. P. de Candolle] 16(1): 262. 1869 [mid Nov 1869]		wfo-0000479775
Piper amplum	Kunth	Linnaea 13: 618 1839	—	wfo-0001274714
Piper andicolum	Kunth	Nov. Gen. Sp. (quarto ed.) 1: 55 1815	—	wfo-0001092020
Piper anguillispicum	Trel.	Contr. U.S. Natl. Herb. xxvi. 175 (1929).		wfo-0000479809
Piper angustiae	Trel.	J. Washington Acad. Sci. 19: 329 (1929)		wfo-0001249009
Piper angustiae var. quiotepecanum	Trel.	J. Wash. Acad. Sci. 19: 329. 1929		wfo-0001395737
Piper angustifolium	Roxb.	Fl. Ind. 1: 163 (1820)	—	wfo-1000070197
Piper anisitsii	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 454. 1917		wfo-0000479795
Piper anisophyllum var. granulatum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 331. 1937 Fl. Costa Rica		wfo-0001093730
Piper anisumolens	Blanco	Fl. Filip. [F.M. Blanco] 23. 1837		wfo-0000479801
Piper anonifolium	Kunth	Linnaea 13: 619 1839	—	wfo-0001092024
Piper anonifolium f. angustifolium	Yunck.	–	—	wfo-0001317180
Piper antioquiense var. pitaense	Yunck.	Piperac. N. South Amer. 1: 319. 1950		wfo-0001395738
Piper arboreum f. staminea	Fawc. & Rendle	Fl. Jamaica [Fawcett & Rendle] 3: 23. 1914		wfo-0001324216
Piper arboreum subsp. arboreum	–	–	—	wfo-0001093931
Piper arieianum f. nubicola	Steyerm.	Fl. Venez. 2(2): 342. 1984		wfo-0001324905
Piper aromaticum	C.DC.	Bull. Herb. Boissier , sér. 2, 1: 355 (1901)	—	wfo-1000070180
Piper articulatum	C.DC.	Annuaire Conserv. Jard. Bot. Genève 2: 267. 1898		wfo-0000479540
Piper arunachalensis	Gajurel, Rethy & Y.Kumar	J. Linn. Soc., Bot. 137: 418 2001	—	wfo-0001263838
Piper atlantidanum var. sibunense	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 406. 1936		wfo-0001094330
Piper awaensis	M.A.Jaram. & Callejas	–	—	wfo-0001273548
Piper baclei	C.DC.	Annuaire Conserv. Jard. Bot. Genève 2: 267. 1898		wfo-0000479546
Piper bakeri	C.DC.	W. Amer. Pl. 3: 12 1904	—	wfo-0001277533
Piper barbatum var. barbatum	–	–	—	wfo-0001094409
Piper baricuspi	Trel.	–	—	wfo-0001092037
Piper bartlingianum var. bartlingianum	–	–	—	wfo-0001093893
Piper basellaefolium	(Kunth) Poir.	Encycl. (Suppl. 4): 468 1816	—	wfo-0001092429
Piper beccans	C.DC.	–	—	wfo-0001092038
Piper begoniaefolium	Hook. & Arn.	Bot. Beechey Voy. 310 1841	—	wfo-0001263803
Piper biformipilum	Yunck.	Bol. Inst. Bot. (São Paulo) 3: 21 1966	—	wfo-0001223774
Piper bontianum	C.DC.	Prodr. [A. P. de Candolle] 16(1): 314. 1869 [mid Nov 1869]		wfo-0000479648
Piper brachyphyllum	Willd.	Enum. Pl. Suppl. [Willdenow] 3. 1814 [Jul-Dec 1814]		wfo-0000479632
Piper brachystachyum	Vahl	Enum. Pl. 1: 354 1805	—	wfo-0001092040
Piper brasiliense	Larrañaga	Escritos D. A. Larrañaga 1: 410 (1922)	—	wfo-1000070182
Piper brasiliense	Mart. ex Colla	Herb. Pedem. 5: 165 (1836)	—	wfo-1000070183
Piper bullatilimbum	C.DC.	Verh. Bot. Vereins Prov. Brandenburg 47: 112. 1905		wfo-0001092045
Piper bullatum	C.DC.	Annuaire Conserv. Jard. Bot. Genève xxi. 292 (1920).		wfo-0000479595
Piper cadenaensis	Tebbs	Bull. Brit. Mus. (Nat. Hist.), Bot. 20(2): 218–219, f. 26 1990	—	wfo-0001093956
Piper calceolarium var. magnifolium	(C.DC.) Trel. & Yunck.	Revista Fac. Nac. Agron. Medellin Univ. Antioquia 8: 424. 1948		wfo-0001221136
Piper calceolatum var. magnifolium	C.DC.	Prodr. [A. P. de Candolle] 16(1): 307. 1869 [mid Nov 1869]		wfo-0001221137
Piper calciseligens	Trel.	Bull. Soc. Bot. France 84: 411. 1938 [1937 publ. 1938]		wfo-0000478788
Piper californicum	Opiz	Reliq. Haenk. i. 160.		wfo-0001229299
Piper candelarianum var. pedroanum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 334. 1937 as candelarium; Fl. Costa Rica		wfo-0001093747
Piper candelosum	C.DC.	Bull. Herb. Boissier ser. 2, 3: 397. 1903		wfo-0000478750
Piper canescenticaule var. canescenticaule	–	–	—	wfo-0001094410
Piper carabobense	C.DC.	Prodr. [A. P. de Candolle] 16(1): 259. 1869 [mid Nov 1869]		wfo-0000490175
Piper carrapanum var. carrapanum	–	–	—	wfo-0001094411
Piper caucasanum	Bredemeyer	–	—	wfo-0001092056
Piper chaba	Blume	Verh. Batav. Genootsch. Kunsten 11: 168 (1826)	—	wfo-1000070158
Piper chairecoides	C.DC.	–	—	wfo-0001092061
Piper challuapuquianum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13, no. 357: 147. 1936		wfo-0000490177
Piper chamissonis	(Miq.) Steud. ex C.DC.	Prodr. 16(1): 283 1869	—	wfo-0001265399
Piper chamissonis var. rubellibracteatum	C.DC.	Smithsonian Misc. Collect. 71(6): 13 1920	—	wfo-0001093246
Piper chawya	Buch.-Ham.	Numer. List [Wallich] n. 6650 C. 1832		wfo-0000478882
Piper chilense	C.DC.	Prodr. [A. P. de Candolle] 16(1): 367. 1869 [mid Nov 1869]		wfo-0000478831
Piper chimonanthifolium	(Kunth) Kunth ex Steud.	Nomencl. Bot. ed. 2, 2: 340 1841	—	wfo-0000478834
Piper chuvya	Hunter ex C.DC.	Prodr. 16(1): 353 1869	—	wfo-0000478825
Piper chuvya	Miq.	Syst. Piperac. (F.A.W. Miquel) 267.		wfo-0000478824
Piper ciliaris	C.DC.	–	—	wfo-0001094017
Piper cinerascens	C.DC. ex M.Micheli.	Mém. Soc. Phys. Genève 32: n. 2, 7, t. 51, fig. 1-5. 1893		wfo-0000478826
Piper cinerascens	C.DC. ex Micheli	Mém. Soc. Phys. Genève 32(2): 7 (1893)	—	wfo-1000070344
Piper clavuliger	Trel.	Contr. U.S. Natl. Herb. 26: 151. 1929		wfo-0000490187
Piper clethristachyum	Rich.	Syst. Piperac. 505 1844	—	wfo-0001277173
Piper clypeatum	Wall.	Numer. List [Wallich] n. 6665 A et B (Fici sp.). 1832		wfo-0000478849
Piper coactaepilum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13, no. 357: 151. 1936		wfo-0001092740
Piper cogolloi	Callejas	–	—	wfo-0001227739
Piper collinum var. flagellicuspe	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 17(4): 347 1938	—	wfo-0000741714
Piper colubrinum	(Link ex Kunth) Link ex C.DC.	Prodr. 16(1): 319 1869	—	wfo-0001265477
Piper concoinum	DC.	–	—	wfo-0001093973
Piper confusum var. latilimbum	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 455. 1917		wfo-0001395740
Piper consanguineum	Kunth	Linnaea 13: 623 1839		wfo-0001093469
Piper consociatum	C.DC.	Annuaire Conserv. Jard. Bot. Genève 21: 317. 1920		wfo-0000478644
Piper constipatispicum var. constipatispicum	–	–	—	wfo-0001094413
Piper corcovadensis	(Miq.) C.DC.	Prodr. 16(1): 255 1869	—	wfo-0001265342
Piper corcovadensis var. corcovadensis	–	–	—	wfo-0001277112
Piper corcovadensis var. longiracemosum	(Yunck.) E.F.Guim. & M.Carvalho-Silva	–	—	wfo-0001319744
Piper cordifolium	Sessé & Moc.	Naturaleza (Mexico City) ser. 2, 1, app. 10. 1887 as cardifolium; Plantae Novae Hispaniae		wfo-0000478596
Piper coriaceum	G.Lodd.	Bot. Cab. 2: t. 128 (1818)	—	wfo-1000070384
Piper coriaceum	Vahl	Enum. Pl. 1: 314 (1804)		wfo-0000478599
Piper corylifolium	Kunth	Linnaea 13(6): 699. 1840 [Mar-Jun 1840]		wfo-0001277166
Piper corylistachyopse	Trel.	J. Arnold Arbor. 9(4): 147 1928	—	wfo-0001266349
Piper crassinervium var. crassinervium	–	–	—	wfo-0001093077
Piper cryptopodon	C.DC.	–	—	wfo-0001094415
Piper cubeba	Bojer	Hortus Maurit. 355. 1837		wfo-0000478711
Piper cubeba	Vahl	Enum. Pl. [Vahl] i. 332. 1804		wfo-0000478713
Piper cufodontisii	Trel.	Arch. Bot. Sist. 10(1): 25 1934	—	wfo-0001092076
Piper cundinamarcanum	Trel.	Trab. Mus. Nac. Ci. Nat., Ser. Bot. No. 33, 49 (1936), anglice.		wfo-0000478700
Piper cupreatum var. cupreatum	–	–	—	wfo-0001094414
Piper curvamentum	Ruiz & Pav.	–	—	wfo-0001092078
Piper cyclopllyllum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 10: 159 1931	—	wfo-0000478725
Piper dariense	C.DC.	Candollea 1: 168 1923	—	wfo-0001093254
Piper decumanum	Aubl.	Hist. Pl. Guiane 1: 21. 1775 ; Vahl, Enum. 1: 331		wfo-0000478679
Piper decumanum	Mill.	Gard. Dict., ed. 8. n. 9. 1768 [16 Apr 1768]		wfo-0000478681
Piper delineatum	Trel.	–	—	wfo-0001093814
Piper deltoideum	hort. ex Colla	Herb. Pedem. v. 164 (1836), in obs.		wfo-0000478667
Piper demonatum	Trel.	–	—	wfo-0001092086
Piper dilatatum	Pohl ex Miq.	Fl. Bras. 4(1): 57 (1852)	—	wfo-1000070261
Piper dilatatum f. dilatatum	–	–	—	wfo-0001093896
Piper discolor	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 17: 231. 1937		wfo-0000478858
Piper discolorum	Desf.	Tabl. École Bot., ed. 3 (Cat. Pl. Horti Paris.) 414. 1829		wfo-0000478859
Piper divaricatiranum	C.DC.	Candollea i. 191 (1923), in clavi.		wfo-0000479098
Piper dogotense	C.DC.	–	—	wfo-0001093807
Piper duckii	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 41. 1917		wfo-0000479116
Piper dunlapii	Trel.	Contr. U.S. Natl. Herb. 26: 23. 1927		wfo-0001093262
Piper egense	C.DC.	Prodr. [A. P. de Candolle] 16(1): 264. 1869 [mid Nov 1869]		wfo-0000479111
Piper el-caranyanum	Trel. & Yunck.	Piperac. N. South Amer. 1: 246, fig. 214. 1950		wfo-0001245728
Piper el-muletonum	C.DC.	Candollea i. 72 (1923), in clavi.		wfo-0001224034
Piper eldonense	Killip	–	—	wfo-0001092096
Piper eldoradense	Trel. ex Standl. & Record	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 103, anglice. 1936		wfo-0000479059
Piper ellipticum	Sessé & Moc.	Fl. Mexic. : 10 (1893)	—	wfo-1000070347
Piper elongatum f. cordulatum	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 450. 1917		wfo-0001324225
Piper elongatum var. elongatum	–	–	—	wfo-0001094416
Piper erectum	Lam. ex Trel.	Bull. Soc. Bot. France 74: 592. 1928 [1927 publ. 1928]		wfo-0000479070
Piper esculentum	Farw.	Druggists' Circ. 61: 230. 1917		wfo-0000490209
Piper euryphyllum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13(2): 163 (1936)	—	wfo-1000070165
Piper evonymifolium	Kunth	Linnaea 13(6): 624. 1840 [Mar-Jun 1840]		wfo-0000479176
Piper exserrens	C.DC.	–	—	wfo-0001092102
Piper finlaysonianum	Wall.	Numer. List : n.º 6657 (1832)		wfo-0000479194
Piper flagelliforme	Yamam.	Contrib. Fl. Kainan 1: 21 1943	—	wfo-0001094064
Piper flavicans var. minor	Yunck.	–	—	wfo-0001319729
Piper flongatum	Vahl	–	—	wfo-0001249126
Piper foetidum	Noronha	Verh. Batav. Genootsch. Kunst. 5(Art. 4): 25 (Quid ?). 1790		wfo-0000479132
Piper fontanesianum	Heynh.	Alph. Aufz. Gew. : 530 (1847)		wfo-0000479126
Piper francoae	M.A.Jaram. & Callejas	–	—	wfo-0001273486
Piper frostii	Trel. ex Standl.	Contr. Arnold Arbor. 5: 54. 1933		wfo-0000479144
Piper gaudichaudianum	(Kunth) Kunth ex Steud.	Nomencl. Bot. ed. 2, 2: 341 1841	—	wfo-0000478927
Piper gaudichaudianum var. minor	Yunck.	–	—	wfo-0001319750
Piper geniculatum var. scandens	Trel. & Yunck.	Piperac. N. South Amer. 1: 367 1950	—	wfo-0001093917
Piper glabratum	(Kunth) Steud.	Nomencl. Bot. ed. 2, 2: 341 1841	—	wfo-0000478951
Piper globirhachis	M.A.Jaram.	Syst. Bot. 49(2): 275 2024		wfo-1000076137
Piper godetii	C.DC.	Linnaea 37: 361 (1872)		wfo-0000478908
Piper grande	Ridl.	Trans. Linn. Soc. London, Bot. 9: 112 (1916)	—	wfo-1000070267
Piper grisebachii	C.DC.	Linnaea 37: 382 1872	—	wfo-0001042811
Piper guadratilimbum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 17(3): 233 1937	—	wfo-0001226635
Piper halesiaefolium	Kunth	Linnaea 13: 681 1839	—	wfo-0001277600
Piper heraldii	Trel.	Ann. Missouri Bot. Gard. 27: 292. 1940		wfo-0000479046
Piper heterophyllum var. angustifolium	(Miq.) C.DC.	–		wfo-0001391780
Piper hexandrum	C.DC.	–	—	wfo-0001092131
Piper heydei var. brevipeduncula	C.DC.	–		wfo-0001395742
Piper hieronymi var. glabrum	Kuntze	Revis. Gen. Pl. 3[3]: 274. 1898 [28 Sep 1898]		wfo-0001395743
Piper hieronymi var. hieronymi	–	–	—	wfo-0001235374
Piper hilarianum	C.DC.	Prodr. 16(1): 321 1869		wfo-0001265478
Piper hirtellipetiolum var. hirtellipetiolum	–	–	—	wfo-0001093091
Piper hispidum f. hispidum	–	–	—	wfo-0001093903
Piper hispidum var. hispidum	–	–	—	wfo-0001093094
Piper holtonii var. cundinamarcanum	Trel. & Yunck.	Piperac. N. South Amer. 1: 362 1950	—	wfo-0000737390
Piper hydrangeifolium	Kunth	Linnaea 13(6): 659. 1840 [Mar-Jun 1840]		wfo-0000478987
Piper incurvum	Sieber ex Schult.	Mant. 1 (Schultes) 238. 1822		wfo-0001240501
Piper indicum	Garsault	Fig. Pl. Méd. : t. 459 (1764)	—	wfo-1000070230
Piper insigne	(Kunth) C.DC.	Prodr. [A. P. de Candolle] 16(1): 289. 1869 [mid Nov 1869]		wfo-0000486080
Piper interruptum var. multinervum	C.DC.	–	—	wfo-0001248421
Piper itacolumianum	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 438. 1917		wfo-0000486199
Piper jagori	C.DC.	Prodr. 16(1): 358 (1869)	—	wfo-1000064161
Piper jayeri	C.DC.	Prodr. [A. P. de Candolle] 16(1): 358. 1869 [mid Nov 1869]		wfo-0000486222
Piper jussiaeanum	Kunth	Linnaea 13(6): 680. 1840 [Mar-Jun 1840]		wfo-0000486228
Piper kantetulense var. gentlei	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 408. 1936		wfo-0001094331
Piper kava	Royle	Ill. Bot. Himal. Mts. [Royle] 461 (Index). 1840 [Mar-Apr 1840]		wfo-0001355163
Piper kerrii	Suwanph. & Banchong	Nordic J. Bot. 2023(11)-e04099: 3 2023		wfo-1000058446
Piper kewense	C.DC.	Prodr. [A. P. de Candolle] 16(1): 327. 1869 [mid Nov 1869]		wfo-0000486213
Piper koordersii	C.DC. ex Koord.	Meded. Lands Plantentuin 19: 568, nomen. 1898		wfo-0000486152
Piper kunthianum	Steud.	Nomencl. Bot. , ed. 2, 2: 341 (1841)		wfo-0000486153
Piper lagenaebaccum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13, no. 357: 179. 1936		wfo-0001092821
Piper latifolium	Sessé & Moc.	Naturaleza (Mexico City) , ser. 2, 1(App.): 10 (1887)	—	wfo-1000070225
Piper lentaginoides	Kunth	Linnaea 13(6): 683. 1840 [Mar-Jun 1840]		wfo-0000485953
Piper leptostachyum	Wall.	Numer. List [Wallich] n. 6649. 1832		wfo-0000485887
Piper leticianum var. leticianum	–	–	—	wfo-0001094424
Piper lonchites	Wall.	Numer. List [Wallich] n. 6644 A, B. 1832		wfo-0000485920
Piper longiovarium	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 439. 1917		wfo-0001092160
Piper longispicum var. boconoense	(Trel. & Yunck.) Steyerm.	–	—	wfo-0001268849
Piper lucaeanum	Kunth	Linnaea 13(6): 678. 1840 [Mar-Jun 1840]		wfo-0001092162
Piper luschnathianum	Kunth	Linnaea 13(6): 617. 1840 [Mar-Jun 1840]		wfo-0001093288
Piper madagascariensis	(Miq.) C.DC.	Prodr. 16(1): 379 1869	—	wfo-0001093490
Piper magnificum	Trel.	–	—	wfo-0001094027
Piper magnipedunculum	C.DC.	Candollea i. 192, 195 (1923), in clavi; et in Candollea, ii. 198 (1925),descr. ampl.		wfo-0000485977
Piper malanganum	Trel. ex Stehlé	Candollea 8: 75. 1940		wfo-0000485986
Piper malpasoensis	Tebbs	Bull. Nat. Hist. Mus. London, Bot. 23(1): 17, f. 6Aa–b 1993	—	wfo-0001094327
Piper marcoanum	C.DC.	Annuaire Conserv. Jard. Bot. Genève 21: 226. 1920		wfo-0000486005
Piper marginatibaccum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 349. 1937 Fl. Costa Rica		wfo-0000490773
Piper marginatihaccum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. xviii. II. 349. 1937		wfo-0000486008
Piper marginatum f. marginatum	–	–	—	wfo-0001093910
Piper martianum	Kunth	Linnaea 13(6): 691. 1840 [Mar-Jun 1840]		wfo-0000485994
Piper mascarena	C.DC.	Prodr. 404	—	wfo-0001093507
Piper medium var. perglabrum	Yunck.	Lilloa 27: 118 1953		wfo-0001244223
Piper mertoni	F.M.Bailey	Queensl. Fl. 4: 1285 (1901)		wfo-0000486458
Piper metapalcoensis	C.DC.	–	—	wfo-0001249129
Piper microstachyum	Vahl	Eclog. Amer. 2: 3. 1798		wfo-0001092176
Piper middlesexense	Trel. ex Standl. & Record	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 103, anglice. 1936		wfo-0000486449
Piper mikarianum	Steud.	Nomencl. Bot. ed. 2, 2: 342 1841	—	wfo-0000486396
Piper minahassae	C.DC. ex Koord.	Meded. Lands Plantentuin 19: 569, nomen. 1898		wfo-0000486402
Piper minarum	C.DC.	Prodr. [A. P. de Candolle] 16(1): 304. 1869 [mid Nov 1869]		wfo-0000486403
Piper moccomocco var. moccomocco	–	–	—	wfo-0001094427
Piper modestum	C.DC.	Prodr. 16(1): 275 (1869)		wfo-0001092183
Piper mollicomum	(Kunth) Kunth ex Steud.	Nomencl. Bot. ed. 2, 2: 342 1841	—	wfo-0000486421
Piper moraballianum	Trel. ex Sandwith	Bull. Misc. Inform. Kew 1933(7): 338. [25 Sep 1933]		wfo-0001277168
Piper moringanum	E.F.Guim. & Carv.-Silva	Acta Bot. Brasil. 36: 16 2022		wfo-1000061235
Piper motuoense	X.W.Qin, F.Su & C.Y.Hao	PhytoKeys 238: 86 2024		wfo-1000060901
Piper mourai	Yunck.	Bol. Sec. Agric. Estado Sao Paulo, Inst. Bot. No. 3 (N. Sp. Piperac. Braz.) 57 (1966).		wfo-0001254082
Piper mullinodum	C.DC.	Beibl. Bot. Jahrb. Syst. 65: 25 (1900)	—	wfo-1000070316
Piper myosurus	Willd.	Syn. Pl. 1: 110 1839	—	wfo-0001093298
Piper napalense	Miq.	Syst. Piperac. 318 1843	—	wfo-0001094109
Piper naris-fractae	Trel. ex Stehlé	–		wfo-0001348680
Piper nepalense	Wight ex Hook.f.	Fl. Brit. India [J. D. Hooker] 5(pt. 13): 94. 1886 [Aug 1886]		wfo-1200010244
Piper nervosum	C.DC.	Prodr. [A. P. de Candolle] 16(1): 374. 1869 [mid Nov 1869]		wfo-0000486478
Piper nigrescens	Miq.	Ann. Mus. Bot. Lugduno-Batavi 1: 137. 1863		wfo-0000486470
Piper nitidulum	Opiz	Reliq. Haenk. 1: 154 (1828)		wfo-0001229294
Piper nitidum	Sessé & Moc.	Naturaleza (Mexico City) , ser. 2, 1(App.): 10 (1887)	—	wfo-1000070242
Piper nottirbanum	Trel. ex Stehlé	Bull. Agric. Martinique ix. 180 (1941); cf. Gray Herb. Card Cat.		wfo-0000486504
Piper novae-hispaniae	C.DC.	Prodr. [A. P. de Candolle] 16(1): 301. 1869 [mid Nov 1869]		wfo-0000486506
Piper novae-hispaniae	hort. ex Colla	Herb. Pedem. v. 164 (1836).		wfo-0000486520
Piper nummularifolium	Lam. & Willd. ex C.DC.	Prodr. [A. P. de Candolle] 16(1): 382. 1869 [mid Nov 1869]		wfo-0000486283
Piper nyrtifolium	Vahl	Enum. Pl. 1: 341 1804	—	wfo-0000486285
Piper obidosanum	C.DC. ex Huber	Bol. Mus. Goeldi Hist. Nat. Ethnogr. 5: 330 1909	—	wfo-0001277117
Piper obliquum	Sessé & Moc.	Naturaleza (Mexico City) , ser. 2, 1(App.): 10 (1887)	—	wfo-1000070370
Piper obloniaefolium	C.DC.	–	—	wfo-0001092206
Piper obrumbatum	C.DC.	Prodr. 16(1): 265 1869	—	wfo-0001093892
Piper obtusifolium	Jacq.	Collectanea 1: 141 (1787)	—	wfo-1000070238
Piper oculatiopicum	Trel.	–	—	wfo-0001092209
Piper olfersianum	Kunth	Linnaea 13(6): 646. 1840 [Mar-Jun 1840]		wfo-0000486300
Piper opodum	Trel.	–	—	wfo-0001092212
Piper ottoniaefolium var. frutescens	Trel. & Yunck.	Piperac. N. South Amer. 1: 87, fig. 72. 1950		wfo-0001093966
Piper ottoniaefolium var. latifolium	Trel. & Yunck.	Piperac. N. South Amer. 1: 87. 1950		wfo-0001093965
Piper pachypholium	C.DC. ex Kuntze	Revis. Gen. Pl. 3[3]: 274. 1898 [28 Sep 1898]		wfo-0000490777
Piper papulaecaule	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 352. 1937 Fl. Costa Rica		wfo-0000490780
Piper paraguayense	D.Parodi	Anales Soc. Ci. Argent. vi. (1878) 45; Contrib. 97 (' n. 2 ').		wfo-0000481334
Piper parvipetiolum	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 460. 1917		wfo-0000486257
Piper patens	Hook. & Arn.	Bot. Beechey Voy. : 310 (1838)	—	wfo-1000070232
Piper pedicellosum	Wall.	Numer. List : n.º 6646 A (1832)		wfo-0000486351
Piper peepuloides	Wall.	Numer. List [Wallich] n. 6650. 1832		wfo-0000486354
Piper pendulum	Warb.	Bot. Jahrb. Syst. 13: 283 (1891)		wfo-0000486384
Piper pendulum	Willd. ex Schult.	Mant. 1: 248. 1822		wfo-0000486378
Piper peperomia	Royle	Ill. Bot. Himal. Mts. [Royle] 461 (Index), sphalm. 1840 [Mar-Apr 1840]		wfo-0001355165
Piper peraromaticum	C.DC.	Notizbl. Königl. Bot. Gart. Berlin 6: 437. 1917		wfo-0000486371
Piper perbrevicaule var. perbrevicaule	–	–	—	wfo-0001093107
Piper permucronatum var. cilliatum	D.Monteiro & E.F.Guim.	–	—	wfo-0001319771
Piper persicariaefolium	Kunth	Linnaea 13: 684 1839	—	wfo-0001263373
Piper persicariifolium	Kunth	Linnaea 13(6): 684. 1840 [Mar-Jun 1840]		wfo-0000486318
Piper pertiactatum	Trel.	Contr. U.S. Natl. Herb. xxvi. 130 (1929).		wfo-0000486330
Piper petiolatum	Hook.f.	Fl. Brit. India [J. D. Hooker] 5(13): 84. 1886 [Aug 1886]		wfo-0000485461
Piper phangngaense	Suwanph. & Hodk.	Nordic J. Bot. 2023(11)-e04099: 3 2023		wfo-1000058447
Piper photomorphe	C.DC.	–	—	wfo-0001249139
Piper phytolaccifolium var. carabobense	(C.DC.) Steyerm.	Fl. Venez. 2(2): 527. 1984		wfo-0000485450
Piper pilirameum var. subglabrum	Yunck.	Lilloa 27: 110 1955	—	wfo-0001244228
Piper pilosum	C.DC.	Linnaea 37: 351 (1872)	—	wfo-1000070211
Piper plantaginifolium	D.Dietr.	Syn. Pl. [D. Dietrich] i. 110.		wfo-0000485427
Piper plukenetianum	C.DC.	Prodr. [A. P. de Candolle] 16(1): 315. 1869 [mid Nov 1869]		wfo-0000485428
Piper politaereum var. politaereum	–	–	—	wfo-0001094433
Piper politifolium	Callejas	Fl. Mesoamer. 2(2): 353 (2020)		wfo-1000070386
Piper politum var. politum	–	–	—	wfo-0001094434
Piper polybotryon	Spreng.	Syst. Veg. 1: 117 1825	—	wfo-0001277203
Piper polybotryum	Poir.	Encycl. , Suppl. 4: 465 (1816)		wfo-0001277202
Piper populifolium	(Kunth) Kunth ex C.DC.	Prodr. 16(1): 321 (1869)	—	wfo-1000070356
Piper populifolium	Kunth	Linnaea 13(6): 710. 1840 [Mar-Jun 1840]		wfo-0000485431
Piper portulacaefolium	Roem. & Schult.	Syst. Veg. 1: 331 1817	—	wfo-0001277182
Piper pothifolium	Kunth	Linnaea 13(6): 671. 1840 [Mar-Jun 1840]		wfo-0001223746
Piper poueri	A.H.Gentry	–	—	wfo-0001094013
Piper presliiaingii	C.DC.	–	—	wfo-0001092244
Piper propinquum var. propinquum	–	–	—	wfo-0001094435
Piper prunifolium subsp. artanthe	Steyerm.	–	—	wfo-0001094329
Piper prunifolium var. prunifolium	–	–	—	wfo-0001286551
Piper pseudo-oblongum	McKown	Bot. Gaz. 85: 57. 1928		wfo-0000485547
Piper pseudochurumayu	(Kunth) Poepp. ex Steud.	Nomencl. Bot. ed. 2, 2: 342 1841	—	wfo-0000485561
Piper pseudohastulatum	Steyerm.	Fl. Venez. 2(2): 548(-549), fig. 1984		wfo-0000490707
Piper pseudomollicomum var. pseudomollicomum	–	–	—	wfo-0001094437
Piper puberulinerve	C.DC.	Repert. Spec. Nov. Regni Veg. 9: 231. 1911		wfo-0001092256
Piper pubescens	Haw.	Syn. Pl. Succ. 7. 1812		wfo-0000485515
Piper pubescens	Sol. ex C.DC.	Prodr. [A. P. de Candolle] 16(1): 342. 1869 [mid Nov 1869]		wfo-0000485516
Piper pubisubmarginatum	Yunck.	Bol. Sec. Agric. Estado Sao Paulo, Inst. Bot. No. 3 (N. Sp. Piperac. Braz.) 114 (1966).		wfo-0000485506
Piper quadrifolium	Vell.	Fl. Flumin. : 26 (1829)	—	wfo-1000070205
Piper reductipes var. reductipes	–	–	—	wfo-0001094440
Piper restis	Trel.	–	—	wfo-0001092265
Piper reticulatum var. reticulatum	–	–	—	wfo-0001094441
Piper retinervulum	C.DC.	Candollea 1: 121, 273. 1923		wfo-0001417976
Piper revolutum	Rich. ex Kunth	Nov. Gen. Sp. [H.B.K.] 1: t. 3. 1816		wfo-0000485278
Piper richardiifolium	(Kunth) Kunth ex Steud.	Nomencl. Bot. ed. 2, 2: 343 1841	—	wfo-0000485280
Piper riedelii	C.DC.	Prodr. [A. P. de Candolle] 16(1): 325. 1869 [mid Nov 1869]		wfo-0000485336
Piper rio-zulianum	Trel. & Yunck.	Piperac. N. South Amer. 1: 50, fig. 40. 1950		wfo-0000490697
Piper rivinoides var. magnolifolium	Yunck.	–	—	wfo-0001319816
Piper rohrii var. grandifolium	(Miq.) C.DC.	–		wfo-0001392545
Piper rojasii	C.DC.	Bull. Soc. Bot. Genève ser. 2, 6: 110, fig. 1. 1914		wfo-0000485376
Piper rollingo	Schult.	Mant. 1: 247 (1822)		wfo-0000485390
Piper rothiana var. rothiana	–	–		wfo-0001402608
Piper rubronodosum	G.Nicholson	Ill. Dict. Gard. 3: 148. 1886		wfo-0000485397
Piper ruficaule	D.Parodi	Anales Soc. Ci. Argent. vi. (1878) 92; Contrib. 102.		wfo-0000485347
Piper rufinerbe	Opiz	Reliq. Haenk. 1(3): 159 1828	—	wfo-0001229298
Piper rugocarpum	Banchong & Suwanph.	Nordic J. Bot. 2023(11)-e04099: 6 2023		wfo-1000058448
Piper salzmannii	C.DC.	Prodr. [A. P. de Candolle] 16(1): 387, nomen. 1869 [mid Nov 1869]		wfo-0000485355
Piper sanandresense	Trel. & Yunck.	Piperac. N. South Amer. 1: 240, fig. 208. 1950		wfo-0001245886
Piper sancristobalanum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 359. 1937		wfo-0001093638
Piper sangabrielanum	Trel.	Bull. Torrey Bot. Club 58: 354. 1931		wfo-0000485768
Piper sanjoseanum var. minor	Trel.	Contr. U.S. Natl. Herb. 26: 133. 1929		wfo-0000490689
Piper sanmiguelense	Trel. & Yunck.	Piperac. N. South Amer. 1: 280, fig. 243. 1950		wfo-0001094305
Piper santa-rosanum	C.DC.	Enum. Pl. Guatem. 2: 96 1891		wfo-1000076703
Piper saxatilis	Wall.	Fl. Ind. (Carey & Wallich ed.) 1: 163. 1820		wfo-0000485782
Piper saxicola	C.DC.	Annuaire Conserv. Jard. Bot. Genève 1898, 269 (non Vahl).		wfo-0000485783
Piper scabrilimbum	C.DC.	Candollea 1: 121, 276. 1923 Ex Schroeder, Candollea, 3: 139. 1926		wfo-0001093327
Piper schippianum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 104 1936	—	wfo-0000485741
Piper schizonephros	C.DC.	Prodr. [A. P. de Candolle] 16(1): 241. 1869 [mid Nov 1869] (as schizonephos		wfo-1000035723
Piper scopulorum	(Kunth) Kunth ex Steud.	Nomencl. Bot. , ed. 2, 2: 343 (1841)	—	wfo-1000070361
Piper scopulorum	Kunth	Linnaea 13(6): 669. 1840 [Mar-Jun 1840]		wfo-0000485758
Piper scutaespicum	Trel.	Ciencia (Mexico) 2: 208. 1941		wfo-0001094443
Piper scutellaefolium	(Ruiz & Pav.) Vahl	Enum. Pl. 1: 356 1805	—	wfo-0001092663
Piper sect. Heckeria	Hook.f.	Fl. Brit. India [J. D. Hooker] 6(17): 95. 1890 [Dec 1890]		wfo-3400010138
Piper sect. Nematanthera	(Miq.) C.DC.	Prodr. [A. P. de Candolle] 16(1): 241, 367 (1869).		wfo-3400000039
Piper sect. Schizonephros	(Griff.) C.DC.	Prodr. [A. P. de Candolle] 16(1): 240, 241. 1869 [mid-Nov 1869] (as sect. schizonephos)		wfo-1000035768
Piper sellertianum var. sellertianum	–	–	—	wfo-0001094444
Piper sellowianum	Kunth	Linnaea 13(6): 658. 1840 [Mar-Jun 1840]		wfo-0000485752
Piper serpentarioides	Nees ex Miq.	Fl. Bras. (Martius) 4(1): 9. 1852 [15 Aug 1852]		wfo-0000485856
Piper sessilifolium	Willd. ex Schult.	Mant. 1: 248. 1822		wfo-0000485843
Piper silhouettanum	J.Gerlach	Blumea 47(2): 407 (2002).		wfo-0000485872
Piper silvivagum var. peruvianum	C.DC.	Notizbl. Bot. Gart. Berlin-Dahlem 6: 489 1917	—	wfo-0001092980
Piper silvivagum var. peruvianum	Trel.	–		wfo-0001392092
Piper siriboa	G.Forst.	Fl. Ins. Austr. 4. 1786 [Oct-Nov 1786]		wfo-0000485845
Piper sotai	Yunck.	Lilloa 32: 17. 1967		wfo-0001276581
Piper stellatum	Vell.	Fl. Flumin. 26. 1829 [1825 publ. 7 Sep-28 Nov 1829] ; see also Fl. Flumin. Icon. 1: t. 64. 1831. [1827 publ. 29 Oct 1831]		wfo-0000485839
Piper stenophyllum	C.DC.	Fl. Schutzgeb. Südsee [Schumann & Lauterbach] 261. 1900 [1901 publ. Nov 1900]		wfo-0000485822
Piper stenophyllum	Voigt	Hort. Suburb. Calcutt. 300, nom. nov. 1845		wfo-0000485823
Piper stevensii	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 237 (1936)	—	wfo-1000070304
Piper stevensonii	Trel. ex Standl. & Record	Publ. Field Mus. Nat. Hist., Bot. Ser. 12: 104, anglice. 1936		wfo-0000485825
Piper suaveolens	C.DC.	Syst. Verz. (Koord.-Schum.) i. Fam. 53, 9 (1911).		wfo-0000485573
Piper subandina	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13(2): 98 1936	—	wfo-0001092672
Piper subcinereum var. subcinereum	–	–	—	wfo-0001254094
Piper subg. Gonistum	(Raf.) Bornst.	Phytoneuron 2024-75: 1 2024		wfo-1000076360
Piper subg. Lepianthes	(Raf.) Bornst.	Phytoneuron 2024-75: 2 2024		wfo-1000076361
Piper subg. Macrostachys	(Miq.) Bornst.	Phytoneuron 2024-75: 3 2024		wfo-1000076374
Piper subg. Oxodium	(Raf.) Bornst.	Phytoneuron 2024-75: 4 2024		wfo-1000076375
Piper subg. Palmatinervium	Bornst.	Phytoneuron 2024-75: 5 2024		wfo-1000076376
Piper subg. Pennistylosum	Bornst.	Phytoneuron 2024-75: 5 2024		wfo-1000076377
Piper subg. Pleiostachyopiper	(Trel.) M.A.Jaram.	Syst. Bot. 49(2): 274 2024		wfo-1000076136
Piper subg. Radula	(Miq.) Bornst.	Phytoneuron 2024-75: 6 2024		wfo-1200109526
Piper subinense	Trel.	–	—	wfo-0001092316
Piper subsect. Nematanthera	(Miq.) Benth. & Hook.f.	Gen. Pl. [Bentham & Hooker f.] 3(1): 131. 1880 [7 Feb 1880]		wfo-3000002853
Piper svidaefolium	Trel.	Mem. New York Bot. Gard. 7: 225. 1927		wfo-0001244235
Piper taumanum	C.DC.	in Perkins, Frag. Fl. Philipp. 159.		wfo-0000485696
Piper tectoniaefolium	(Kunth) Kunth ex C.DC.	Prodr. 16(1): 302 1869	—	wfo-0001092325
Piper tectoniifolium	Kunth	Linnaea 13: 661 1839	—	wfo-0001277594
Piper tembladorense	Trel. ex L.Williams	Explor. Bot. Guay. Venez. 177 1942	—	wfo-0001093343
Piper tetraphyllum	Vell.	Fl. Flumin. : 26 (1829)	—	wfo-1000070247
Piper thomsonii var. thomsonii	–	–	—	wfo-0001094342
Piper thwaitseii	C.DC.	Prodr. 16(1): 357 1869	—	wfo-0001091763
Piper tortivenulosum f. tortivenulosum	–	–		wfo-0001093913
Piper tortivenulosum var. tortivenulosum	–	–		wfo-0001093914
Piper tricarinatum	Haw.	Suppl. Pl. Succ. : 102 (1819)		wfo-0000487486
Piper trifoliatum	L.	Fl. Jamaic. 12 1759	—	wfo-0001277107
Piper trigonioideum	C.DC.	Prodr. [A. P. de Candolle] 16(1): 318. 1869 [mid Nov 1869]		wfo-0000487474
Piper triquetrofructum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 366. 1937 Fl. Costa Rica		wfo-0000490748
Piper triquetrum	Opiz	in Presl. Rel. Haenk. i. 160.		wfo-0000487511
Piper trultense	Hosok.	J. Jap. Bot. 1937, xiii. 200.		wfo-0000487492
Piper tubemsum	Sessé & Moc.	Pl. Nov. Hisp. 10 1887	—	wfo-0000487498
Piper tumidipedunculum	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 9: 281. 1940		wfo-0001220922
Piper tuxpenyana	(Trel.) Lundell	Publ. Carnegie Inst. Wash. 478: 208. 1937		wfo-0001093649
Piper usaquemense	(Trel.) Perez	Arbel. Pl. Util. Col. 207 (1947); cf. Yuncker in Ann. Missouri Bot. Gard.xxxvii. (Fl. Panama, Pt. 4, 49) 49 (1950).		wfo-0001355166
Piper venustum	Wall.	Numer. List [Wallich] n. 6666 (Pothos sp.). 1832		wfo-0000487564
Piper venustum	Wall. ex C.DC.	Prodr. 16: 378 (1869)	—	wfo-1000070257
Piper veraguense var. veraguense	–	–	—	wfo-0001248888
Piper verruclaefolium	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13, no. 357: 250. 1936		wfo-0000490731
Piper verruculaecaule	Trel.	Publ. Field Mus. Nat. Hist., Bot. Ser. 13, no. 357: 250. 1936		wfo-0001093021
Piper verruculaepetiolum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 368. 1937 Fl. Costa Rica		wfo-0001093346
Piper verruculipetiolum	Trel. ex Standl.	Publ. Field Mus. Nat. Hist., Bot. Ser. 18: 368 1937	—	wfo-0000490729
Piper villipetiolatum	Trel. ex Lundell	Publ. Carnegie Inst. Wash. No. 478 (Veg. Peten) 57 (1937), nomen subnudumanglice.		wfo-0000487579
Piper villiramulum var. villiramulum	–	–	—	wfo-0001093134
Piper visiani	hort. ex H.Buek	Gen. Sp. Synon. Cand. Index, 4: 296, sphalm. 1874 [Jul-Aug 1874]		wfo-0001355167
Piper warakaboura	C.DC.	Prodr. [A. P. de Candolle] 16(1): 257. 1869 [mid Nov 1869]		wfo-0001265104
Piper wilhemense	Chew	Alpine Fl. New Guinea 3: 1282 1982	—	wfo-0001277565
Piper xalapense	C.DC.	–	—	wfo-0001249143
Piper xanthocladum	Trel. ex Standl. & S.Calderón	Lista Pl. Salvador 62 1925	—	wfo-0001226644
Piper xylopioides	Kunth	Linnaea 13(6): 610. 1840 [Mar-Jun 1840]		wfo-0001093351
Piper ynesae	Trel.	–	—	wfo-0001248139
Piper yurumalense	Trel.	Col. de Sn. Jose, Medellin, Col. Publ. 53–70, p. 18 1942	—	wfo-0001094515