| Malvaceae | ! |
Hibiscus abelmoschus
| L. | Sp. Pl. 1: 696 | 1753 |
| Malvaceae | * |
Hibiscus abelmoschus
| (L.) H. Karst. | Deutsche Fl. (ed. 2) 2: 157 | 1894 |
| Malvaceae | |
Hibiscus abutiloides
| Willd. | Enum. Hort. Berol. 736 | 1809 |
| Malvaceae | |
Hibiscus acapulcensis
| Fryxell | Techn. Bull. U.S.D.A. 1624: 35 | 1980 |
| Malvaceae | * |
Hibiscus acerifolius
| Salisb. | Parad. Lond. 1: t. 33 | 1805 |
| Malvaceae | * |
Hibiscus acerifolius
| DC. | Prodr. 1: 448 | 1824 |
| Malvaceae | |
Hibiscus acetosaefolius
| DC. | Prodr. 1: 455 | 1824 |
| Malvaceae | ** |
Hibiscus acetosella
| Welw. ex Ficalho | Bol. Soc. Geogr. Lisboa ser. 2 9–10: 608 | 1881 |
| Malvaceae | ! |
Hibiscus acetosella
| Welw. ex Hiern | Cat. Afr. Pl. 1: 73 | 1896 |
| Malvaceae | |
Hibiscus achanioides
| (Turcz.) Hemsl. | Biol. Cent.-Amer., Bot. 1(2): 121 | 1879 |
| Malvaceae | |
Hibiscus acicularis
| Standl. | Contr. U.S. Natl. Herb. 23(3): 782 | 1923 |
| Malvaceae | * |
Hibiscus aculeatus
| G. Don | Gen. Hist. 1: 480 | 1831 |
| Malvaceae | |
Hibiscus aculeatus
| Walter | Fl. Carol. 177 | 1788 |
| Malvaceae | * |
Hibiscus aculeatus
| Roxb. | Fl. Ind. 3: 206 | 1832 |
| Malvaceae | |
Hibiscus acuminatus
| Cav. | Diss. 3: 144, t. 50, f. 2 | 1787 |
| Malvaceae | |
Hibiscus adoensis
| Hochst. ex A. Rich. | Tent. Fl. Abyss. 1: 54 | 1847 |
| Malvaceae | |
Hibiscus adscensionis
| Fryxell & Krapov. | Novon 14(1): 58–59, f. 1 | 2004 |
| Malvaceae | |
Hibiscus aethiopicus
| L. | Mant. Pl. 258 | 1771 |
| Malvaceae | |
Hibiscus affinis
| Kunth | Nov. Gen. Sp. (quarto ed.) 5: 289–290 | 1821 [1822] |
| Malvaceae | |
Hibiscus africanus
| Mill. | Gard. Dict. (ed. 8) Hib. | 1868 |
| Malvaceae | |
Hibiscus ahlensis
| Ulbr. | Notizbl. Bot. Gart. Berlin-Dahlem 7: 365 | 1920 |
| Malvaceae | |
Hibiscus allenii
| Sprague & Hutch. | Bull. Misc. Inform. Kew 1907: 45 | 1907 |
| Malvaceae | |
Hibiscus altissimus
| Hornby | Proc. & Trans. Rhodesia Sci. Assoc. 41: 55 | 1946 |
| Malvaceae | |
Hibiscus amambayensis
| Krapov. & Fryxell | Bonplandia (Corrientes) 13(1–4): 79 | 2004 |
| Malvaceae | |
Hibiscus amazonicus
| Fryxell | Acta Amazon. 14(1–2, Suppl.): 101 | 1984 [1986] |
| Malvaceae | |
Hibiscus ambanitazensis
| M.M. Hanes & G.E. Schatz | Candollea 75: 197–198, Fig. 1C | 2020 |
| Malvaceae | |
Hibiscus amblyocarpus
| Hochst. ex Webb | Fragm. Fl. Aethiop.-Aegypt. 45 | 1854 |
| Malvaceae | |
Hibiscus ambongoensis
| Baill. | Bull. Mens. Soc. Linn. Paris 518 | 1885 |
| Malvaceae | |
Hibiscus ambovombensis
| Hochr. | Mem. Soc. Hist. Afr. N. 2: 158 | 1949 |
| Malvaceae | |
Hibiscus americanus
| (L. f.) Mabb. | Pl.-Book (ed. 4) 1101 | 2017 |
| Malvaceae | |
Hibiscus amoenus
| Link & Otto | Icon. Pl. Select. 1: 119 | 1820 |
| Malvaceae | |
Hibiscus analalavensis
| M.M. Hanes & G.E. Schatz | Candollea 75: 198–200, Fig. 3A, 4A | 2020 |
| Malvaceae | |
Hibiscus andersonii
| Krapov. & Fryxell | Bonplandia (Corrientes) 13(1–4): 90–92, f. 5, 15 | 2004 |
| Malvaceae | |
Hibiscus andongensis
| Hiern | Cat. Afr. Pl. 1: 70 | 1896 |
| Malvaceae | |
Hibiscus aneuthe
| Craven, F.D. Wilson & Fryxell | Austral. Syst. Bot. 16(2): 188 | 2003 |
| Malvaceae | |
Hibiscus angolensis
| Exell | J. Bot. 65(Suppl. 1): 35 | 1927 |
| Malvaceae | |
Hibiscus angulosus
| Steud. | Nomencl. Bot. 1: 758 | 1840 |
| Malvaceae | |
Hibiscus angustifolius
| Hook. & Arn. | Bot. Misc. 3: 152 | 1833 |
| Malvaceae | |
Hibiscus anisaster
| Standl. | Publ. Field Mus. Nat. Hist., Bot. Ser. 4(8): 230 | 1929 |
| Malvaceae | |
Hibiscus anisostegius
| Hochr. | Mem. Soc. Hist. Nat. Afr. N. 160 | 1949 |
| Malvaceae | |
Hibiscus ankaramyensis
| Hochr. | Mem. Soc. Hist. Nat. Afr. N. 2: 162 | 1949 |
| Malvaceae | |
Hibiscus ankeranensis
| M.M. Hanes & G.E. Schatz | Candollea 75: 200–201, Fig. 3B, 4B | 2020 |
| Malvaceae | |
Hibiscus anonimus
| Mart. ex Colla | Herb. Pedem. 1: 405 | 1833 |
| Malvaceae | |
Hibiscus antanossarum
| Baill. | Bull. Mens. Soc. Linn. Paris 517 | 1885 |
| Malvaceae | |
Hibiscus aphelus
| Craven, F.D. Wilson & Fryxell | Austral. Syst. Bot. 16(2): 188 | 2003 |
| Malvaceae | |
Hibiscus apodus
| Juswara & Craven | Blumea 50(2): 391-392, f. 1, map 1 | 2005 |
| Malvaceae | |
Hibiscus aponeurus
| Sprague & Hutch. | Bull. Misc. Inform. Kew 1908: 54 | 1908 |
| Malvaceae | |
Hibiscus appendiculatus
| Stokes | Bot. Mat. Med. 3: 542 | 1812 |
| Malvaceae | |
Hibiscus arboreus
| Desv. ex Ham. | Prodr. Pl. Ind. Occid. 49 | 1825 |
| Malvaceae | |
Hibiscus archboldianus
| Borss. Waalk. | Reinwardtia 4(1): 59, f. 9 | 1956 |
| Malvaceae | |
Hibiscus archeri
| | | |
| Malvaceae | |
Hibiscus arenarius
| Murray | Commentat. Soc. Regiae Sci. Gott. 7: 8, t. 3 | 1786 |
| Malvaceae | * |
Hibiscus argentinus
| Speg. | Bol. Minist. Agric. (Buenos Aires) 1: 304 | 1901 |
| Malvaceae | |
Hibiscus argentinus
| (Gürke) Kuntze | Revis. Gen. Pl. 3(3): 19 | 1898 |
| Malvaceae | |
Hibiscus aridicola
| J. Anthony | Notes Roy. Bot. Gard. Edinburgh 15(74): 241 | 1927 |
| Malvaceae | |
Hibiscus aridus
| R.A. Dyer | | |
| Malvaceae | |
Hibiscus aristivalvis
| Garcke | Bot. Zeitung (Berlin) 7: 849 | 1849 |
| Malvaceae | |
Hibiscus arnottianus
| A. Gray | | |
| Malvaceae | |
Hibiscus articulatus
| Hochst. ex A. Rich. | Tent. Fl. Abyss. 1: 60 | 1847 |
| Malvaceae | |
Hibiscus aruensis
| Hatus. ex Borss. Waalk. | Reinwardtia 4(1): 44, f. 2 | 1956 |
| Malvaceae | |
Hibiscus asper
| Hook. f. | Niger Fl. 228 | 1849 |
| Malvaceae | |
Hibiscus atromarginatus
| Eckl. & Zeyh. | Enum. Pl. Afr. Austral. 1: 38 | 1834 |
| Malvaceae | |
Hibiscus atroviolaceus
| Baill. | Bull. Mens. Soc. Linn. Paris 518 | 1885 |
| Malvaceae | |
Hibiscus australensis
| Fosberg | Micronesica ii: 156 | 1967 |
| Malvaceae | |
Hibiscus australis
| Rose ex Donn. Smith | Enum. Pl. Guatem. 6: 4 | 1903 |
| Malvaceae | |
Hibiscus austrinus
| Juswara & Craven | Blumea 50(2): 393 | 2005 |
| Malvaceae | |
Hibiscus austroyunnanensis
| C.Y. Wu & K.M. Feng | Fl. Yunnan. 2: 223, f. 59 | 1979 |
| Malvaceae | |
Hibiscus autumnalis
| All. | Auct. Syn. 31 | 1773 |
| Malvaceae | ** |
Hibiscus azanae
| DC. | | |
| Malvaceae | ! |
Hibiscus azanzae
| DC. | Prodr. 1: 454 | 1824 |
| Malvaceae | |
Hibiscus azureus
| Bojer | | |
| Malvaceae | |
Hibiscus bacalusius
| Craven, F.D. Wilson & Fryxell | Austral. Syst. Bot. 16(2): 192 | 2003 |
| Malvaceae | ! |
Hibiscus baccifer
| Blume | Bijdr. Fl. Ned. Ind. (2): 73 | 1825 |
| Malvaceae | ** |
Hibiscus bacciferus
| Blume | Bijdr. Fl. Ned. Ind. (2): 73 | 1825 |
| Malvaceae | ! |
Hibiscus bahamensis
| Mill. | Gard. Dict. (ed. 8) n. 14 | 1768 |
| Malvaceae | * |
Hibiscus bahamensis
| Britton | Bull. New York Bot. Gard. 4: 120 | 1905 |
| Malvaceae | |
Hibiscus bammia
| Targ. Tozz. | Mus. Firenze 2: 57, t. 7 | |
| Malvaceae | |
Hibiscus bancroftianus
| Macfad. | Fl. Jamaica 1: 70 | 1837 |
| Malvaceae | |
Hibiscus bantamensis
| Miq. | Pl. Jungh. 282 | 1854 |
| Malvaceae | |
Hibiscus barbadensis
| (L.) Kuntze | Revis. Gen. Pl. 1: 67 | 1891 |
| Malvaceae | |
Hibiscus barbosae
| Exell | Bol. Soc. Brot., sér. 2 33: 174 | 1959 |
| Malvaceae | |
Hibiscus barnardii
| Exell | | |
| Malvaceae | |
Hibiscus batacensis
| Blanco | Fl. Filip. 544 | 1837 |
| Malvaceae | |
Hibiscus bathiei
| Hochr. | Annuaire Conserv. Jard. Bot. Genève 20: 75–78 | 1917 |
| Malvaceae | |
Hibiscus baumannii
| Ulbr. | Monogr. Afrik. Pflanzen-Fam. 3(2): 402 | 1921 |
| Malvaceae | |
Hibiscus baumii
| Gürke | Kunene-Sambesi-Exped. 299 | 1903 |
| Malvaceae | |
Hibiscus beddomei
| Rakshit & Kundu | Sci. & Cult. 27: 192 | 1961 |
| Malvaceae | |
Hibiscus begoniifolius
| Ulbr. | Notizbl. Bot. Gart. Berlin-Dahlem 7: 182 | 1917 |
| Malvaceae | |
Hibiscus belandierianus
| Moric. | Pl. Amer. 8, pl. 6 | 1830 |
| Malvaceae | |
Hibiscus bellicosus
| H. Lév. | Fl. Kouy-Tchéou 273 | 1914 |
| Malvaceae | |
Hibiscus benedicti
| Callm., G.E. Schatz & M.M. Hanes | Candollea 75(2): 324 | 2020 |
| Malvaceae | |
Hibiscus benensis
| Fryxell & Krapov. | Novon 14(1): 59 | 2004 |
| Malvaceae | |
Hibiscus benguellensis
| Exell & Mendonça | J. Bot. 74: 134 | 1936 |
| Malvaceae | |
Hibiscus berberidifolius
| A. Rich. | Tent. Fl. Abyss. 1: 56 | 1847 |
| Malvaceae | |
Hibiscus berlandierianus
| Moric. ex Ser. | Bull. Bot. (Geneva) 6: 174 | 1830 |
| Malvaceae | |
Hibiscus bernieri
| Baill. | Bull. Mens. Soc. Linn. Paris 510 | 1885 |
| Malvaceae | |
Hibiscus betulifolius
| Kunth | Nov. Gen. Sp. (quarto ed.) 5: 292–293 | 1821 [1822] |
| Malvaceae | |
Hibiscus betulinus
| DC. | Prodr. 1: 452 | 1824 |
| Malvaceae | |
Hibiscus bicalyculatus
| Merr. | Publ. Bur. Sci. Gov. Lab. 35: 39–40 | 1905 |
| Malvaceae | |
Hibiscus bicornis
| G. Mey. | Prim. Fl. Esseq. 231 | 1818 |