| Araceae | |
Xanthosoma acevedoi
| Croat & Delannay | Aroideana 40(2): 654–660, f. 9 | 2017 |
| Araceae | |
Xanthosoma acutilobum
| Croat & Delannay | Aroideana 40(2): 66–71, f. 1–5 | 2017 |
| Araceae | |
Xanthosoma acutum
| E.G. Gonç. | Aroideana 25: 22, 24–25, f. 11–13 | 2002 [2003] |
| Araceae | |
Xanthosoma akkermansii
| (G.S. Bunting) Croat | Aroideana 9(1–4): 176–181 | 1986 |
| Araceae | |
Xanthosoma alpayacuense
| Croat & L.P. Hannon | Aroideana 40(2): 71–76, f. 6–9 | 2017 |
| Araceae | |
Xanthosoma alversonii
| Croat & Delannay | Aroideana 40(2): 76–77, f. 10 | 2017 |
| Araceae | |
Xanthosoma amacayacuense
| Croat & Delannay | Aroideana 40(2): 77–80, f. 11 | 2017 |
| Araceae | |
Xanthosoma anderssonii
| Croat | Aroideana 40(2): 80–82, f. 12 | 2017 |
| Araceae | ** |
Xanthosoma andicola
| hort. ex Gentil | Liste Pl. Cult. Serres Jard. Bot. Brux. 193 | 1907 |
| Araceae | ** |
Xanthosoma angustisectum
| Engl. | Pflanzenr. 4, 23E: 61 | 1920 |
| Araceae | ** |
Xanthosoma anisotomum
| E.G. Gonç. | Aroideana 36: 77, f. 13–14 | 2013 |
| Araceae | |
Xanthosoma appendiculatum
| Schott | Oesterr. Bot. Wochenbl. 4: 417 | 1854 |
| Araceae | |
Xanthosoma areciboense
| Croat & Delannay | | |
| Araceae | |
Xanthosoma aristeguietae
| (G.S. Bunting) Madison | Selbyana 5(3–4): 364 | 1981 |
| Araceae | |
Xanthosoma asplundii
| Croat & Delannay | Aroideana 40(2): 83–88, f. 15–21. | 2017 |
| Araceae | * |
Xanthosoma atrovirens
| Fournet | Fl. Guadeloupe 428 | 1978 |
| Araceae | ! |
Xanthosoma atrovirens
| K. Koch & C.D. Bouché | Index Seminum (Berlin) 1854(App.): 3 | 1854 |
| Araceae | |
Xanthosoma aureum
| E.G. Gonç. | Aroideana 34: 8, f. 4–6 | 2011 |
| Araceae | |
Xanthosoma auriculatum
| Regel | Index Seminum (St. Petersburg) 1868: 81 | 1868 |
| Araceae | |
Xanthosoma australe
| Croat & Delannay | Aroideana 40(2): 88–94, f. 22–27 | 2017 |
| Araceae | |
Xanthosoma baguense
| Croat | Rodriguésia 56(88): 125–126, f. 14b | 2005 |
| Araceae | |
Xanthosoma bakhuisense
| Croat & Delannay | Aroideana 40(2): 593–594, f. 5 | 2017 |
| Araceae | |
Xanthosoma barbacoasense
| Croat & Delannay | Aroideana 40(2): 95–98, f. 30–34 | 2017 |
| Araceae | |
Xanthosoma barbourii
| Croat & Delannay | Aroideana 40(2): 98, f. 35–36 | 2017 |
| Araceae | |
Xanthosoma barilleti
| Carrière | Rev. Hort. (Paris) 259, f. 58 | 1882 |
| Araceae | |
Xanthosoma barinasense
| Croat & Delannay | Aroideana 40(2): 660–662, f. 10–15 | 2017 |
| Araceae | |
Xanthosoma bayo
| G.S. Bunting | Acta Bot. Venez. 10: 325 | 1975 |
| Araceae | |
Xanthosoma belophyllum
| (Willd.) Kunth | Enum. Pl. 3: 44 | 1841 |
| Araceae | |
Xanthosoma belophyllum x caracassanum
| K. Koch | Index Seminum (Berlin) App. 2 | 1854 |
| Araceae | |
Xanthosoma benavidesae
| Croat & Delannay | | |
| Araceae | |
Xanthosoma berlinii
| Croat & Delannay | Aroideana 40(2): 101–102, f. 37 | 2017 |
| Araceae | |
Xanthosoma betancurii
| Croat & Delannay | Aroideana 40(2): 102–103, f. 38 | 2017 |
| Araceae | |
Xanthosoma bilineatum
| Rusby | Descr. S. Amer. Pl. 3 | 1920 |
| Araceae | |
Xanthosoma blandum
| Schott | Bonplandia (Hannover) 10: 346 | 1862 |
| Araceae | |
Xanthosoma bolivaranum
| G.S. Bunting | Phytologia (60)5: 339–341 | 1986 |
| Araceae | |
Xanthosoma brasiliense
| (Desf.) Engl. | Pflanzenr. 4, 23E: 58 | 1920 |
| Araceae | |
Xanthosoma brevispathaceum
| Engl. | Bot. Jahrb. Syst. 37: 137 | 1905 |
| Araceae | |
Xanthosoma × brownii
| O. Deg. | Fl. Hawaiiensis Fam. 51 | 1932 |
| Araceae | |
Xanthosoma buchtienii
| Engl. | Pflanzenr. Fam. 23(E): 54 | 1920 |
| Araceae | |
Xanthosoma buntingianum
| Croat & Delannay | Aroideana 40(2): 663–667, f. 16–18 | 2017 |
| Araceae | |
Xanthosoma caladioides
| Grayum | Ann. Missouri Bot. Gard. 73(2): 471 | 1986 |
| Araceae | |
Xanthosoma calcaense
| Croat & Delannay | Aroideana 40(2): 115–116, f. 50 | 2017 |
| Araceae | |
Xanthosoma callejasii
| Croat & Delannay | Aroideana 40(2): 116–119, f. 51 | 2017 |
| Araceae | |
Xanthosoma camposii
| Croat & Delannay | Aroideana 40(2): 119–120, f. 52–53 | 2017 |
| Araceae | |
Xanthosoma caquetense
| Croat, Delannay & Edwin Trujillo | Aroideana 40(2): 120–124, f. 54–58 | 2017 |
| Araceae | |
Xanthosoma caracasanum
| Schott | Syn. Aroid. 60 | 1856 |
| Araceae | |
Xanthosoma caracu
| K. Koch & C.D. Bouché | Index Seminum (Berlin) 1854(App.): 3 | 1854 |
| Araceae | ** |
Xanthosoma carlotii
| | | |
| Araceae | |
Xanthosoma caucavallense
| Croat & Delannay | Aroideana 40(2): 124–127, f. 59–62 | 2017 |
| Araceae | |
Xanthosoma caulotuberculatum
| G.S. Bunting | Acta Bot. Venez. 10: 327 | 1975 |
| Araceae | |
Xanthosoma ceronii
| Croat & L.P. Hannon | Aroideana 40(2): 127–131, f. 63–66 | 2017 |
| Araceae | |
Xanthosoma cerrosapense
| Croat & O. Ortiz | Aroideana 40(2): 511–514, f. 5–8 | 2017 |
| Araceae | |
Xanthosoma cf. undipes
| K. Koch | | |
| Araceae | |
Xanthosoma chaparense
| Croat & Delannay | Aroideana 40(2): 131–134, f. 67–69 | 2017 |
| Araceae | |
Xanthosoma cinchonaense
| Croat & Delannay | Aroideana 40(2): 134–135, f. 70 | 2017 |
| Araceae | |
Xanthosoma clarense
| León | Contr. Ocas. Mus. Hist. Nat. Colegio "De La Salle" No. 8, 271 | 1946 |
| Araceae | |
Xanthosoma conspurcatum
| Schott | Syn. Aroid. 61 | 1856 |
| Araceae | |
Xanthosoma contractum
| G.S. Bunting | Phytologia 64(6): 483 | 1988 |
| Araceae | |
Xanthosoma cordatum
| N.E. Br. | Bull. Misc. Inform. Kew 1906: 7 | 1906 |
| Araceae | |
Xanthosoma cordifolium
| N.E. Br. | Bull. Misc. Inform. Kew 1912: 345 | 1912 |
| Araceae | |
Xanthosoma corentynense
| Croat & Delannay | Aroideana 40(2): 602–603, f. 16 | 2017 |
| Araceae | |
Xanthosoma crassilaminum
| Croat & L.P. Hannon | Aroideana 40(2): 135–142, f. 71–77 | 2017 |
| Araceae | |
Xanthosoma crassinervium
| Croat & L.P. Hannon | Aroideana 40(2): 142–147, f. 78–84 | 2017 |
| Araceae | |
Xanthosoma cremersii
| Croat & Delannay | Aroideana 40(2): 603–606, f. 17–18 | 2017 |
| Araceae | |
Xanthosoma croatianum
| L.D. Gómez & Gómez-Laur. | Phytologia 52(4): 227 | 1982 |
| Araceae | |
Xanthosoma cubense
| (A. Rich.) Schott | Oesterr. Bot. Z. 15(2): 33 | 1865 |
| Araceae | |
Xanthosoma cundinamarcense
| Croat & Delannay | Aroideana 40(2): 147–150, f. 85 | 2017 |
| Araceae | |
Xanthosoma daguense
| Engl. | Bot. Jahrb. Syst. 37: 137 | 1905 |
| Araceae | |
Xanthosoma danielsii
| Croat & Delannay | Aroideana 40(2): 606 | 2017 |
| Araceae | |
Xanthosoma daulense
| Croat & Delannay | Aroideana 40(2): 152–154, f. 89 | 2017 |
| Araceae | |
Xanthosoma davidsmithii
| Croat & Delannay | Aroideana 40(2): 154–157, f. 90 | 2017 |
| Araceae | |
Xanthosoma davidsonii
| Croat | Aroideana 40(2): 157–160, f. 91–98 | 2017 |
| Araceae | |
Xanthosoma dealbatum
| Grayum | Phytologia 82(1): 55 | 1997 |
| Araceae | |
Xanthosoma debelliae
| Croat & Delannay | Aroideana 40(2): 160–162, f. 99 | 2017 |
| Araceae | |
Xanthosoma delannayi
| Croat | Aroideana 40(2): 162–164, f. 100–102 | 2017 |
| Araceae | |
Xanthosoma diazii
| Croat & Delannay | Aroideana 40(2): 164–168, f. 103–104 | 2017 |
| Araceae | |
Xanthosoma dodsonii
| Croat | Aroideana 40(2): 168, f. 105–0113 | 2017 |
| Araceae | * |
Xanthosoma edule
| hort. ex Schott | Syn. Aroid. 70 | |
| Araceae | ! |
Xanthosoma edule
| (G. Mey.) Schott | Melet. Bot. 1: 19 | 1832 |
| Araceae | |
Xanthosoma eggersii
| (Engl.) Engl. | Pflanzenr. 4, 23E: 56 | 1920 |
| Araceae | |
Xanthosoma epipetricum
| Croat & Delannay | Aroideana 40(2): 181–183, f. 118 | 2017 |
| Araceae | |
Xanthosoma exiguum
| G.S. Bunting | Phytologia 64(6): 485 | 1988 |
| Araceae | |
Xanthosoma feuersteiniae
| Croat & Bogner | Willdenowia 35(2): 327, f. 1, 2 | 2005 |
| Araceae | |
Xanthosoma flavomaculatum
| Engl. | Bot. Jahrb. Syst. 37: 139 | 1905 |
| Araceae | |
Xanthosoma fonnegrae
| Croat & Delannay | Aroideana 40(2): 186–187, f. 122 | 2017 |
| Araceae | |
Xanthosoma foreroi
| Croat & Delannay | Aroideana 40(2): 187–189, f. 123 | 2017 |
| Araceae | |
Xanthosoma fractum
| Madison | Selbyana 5(3–4): 360 | 1981 |
| Araceae | |
Xanthosoma fuentesii
| Croat & Delannay | Aroideana 40(2): 189–191, f. 125 | 2017 |
| Araceae | |
Xanthosoma galianoi
| Croat & Delannay | Aroideana 40(2): 191–193, f. 126 | 2017 |
| Araceae | |
Xanthosoma gentryi
| Croat & Delannay | | |
| Araceae | |
Xanthosoma gillespieae
| Croat & Delannay | Aroideana 40(2): 608–609, f. 20 | 2017 |
| Araceae | |
Xanthosoma giraldoi
| Croat, Delannay & E. Calderon | Aroideana 40(2): 193–199, f. 127–135 | 2017 |
| Araceae | |
Xanthosoma gonzalezii
| Croat & Delannay | Aroideana 40(2): 199–202, f. 136–139 | 2017 |
| Araceae | |
Xanthosoma gorkyvillae
| Croat | | |
| Araceae | |
Xanthosoma gracile
| Miq. | Hort. Amstelod. | 1853 |
| Araceae | |
Xanthosoma granvillei
| Croat & S.A. Thomps. | Novon 5(1): 26, f. 5–8 | 1995 |
| Araceae | |
Xanthosoma gratiae
| Cornejo & Croat | Phytotaxa 558(2): 238-241, f. 1A-G | 2022 |
| Araceae | |
Xanthosoma grayumii
| Croat & Delannay | Aroideana 40(2): 202–207, f. 140–148 | 2017 |
| Araceae | |
Xanthosoma griseolaminum
| Croat | | |
| Araceae | |
Xanthosoma guaramacalense
| Croat, Stergios & Delannay | Aroideana 40(2): 667–673, f. 19–25 | 2017 |