; Batav. Diar. (1825), ex Decne. Herb. Tim. Descr. 38 (1835)
Distribution: Tropical Old World (over 100 in Indochina), few species in temp. China and Japan. See Scholten (2023) for new synonymies.
= Allopythion Schott; Gen. Aroid., t. 24 (1858)
= Brachyspatha Schott; Syn. Aroid. 35 (1856)
= Candarum Schott; Melet. Bot. [Schott & Endlicher] 17 (1832), nom. illeg.
= Conophallus Schott; Syn. Aroid. 34 (1856)
= Corynophallus Schott; Oesterr. Bot. Wochenbl. 7: 389 (1857)
= Dunalia Montrouz.; Actes Soc. Linn. Bordeaux 26: 576 (1866)
= Hansalia Schott; Oesterr. Bot. Z. 82 (1858)
= Hydrosme Schott; Oesterr. Bot. Wochenbl. 389 (1857)
= Kunda Raf.; Fl. Tellur. 2: 82 (1836)
= Plesmonium Schott; Syn. Aroid. 34 (1856)
= Proteinophallus Hook.f.; Bot. Mag. t. 6195 (1875)
= Pseudodracontium N.E.Br.; J. Bot. 20: 193, t. 231, f. 2 (1881)
= Pythion Mart.; Flora (Regensburg) 14: 459 (1831), nom. rej.
= Pythonium Schott; Melet. Bot. [Schott & Endlicher] 17 (1832), nom. illeg.
= Rhaphiophallus Schott; Gen. Aroid., t. 27 (1858)
= Synantherias Schott; Gen. Aroid., t. 28 (1858)
= Tapeinophallus Baill.; Dict. Bot. 1(5):, Ic. (1877) (sine desc.)
= Thomsonia Wall.; Pl. Asiat. Rar. [Wallich] 1: 83, t. 99 (1830) (nom. rej.)