| Euphorbiaceae | * |
Gelonium adenophorum
| (Baill.) Müll. Arg. | Prodr. 15(2): 1129 | 1866 |
| Euphorbiaceae | |
Gelonium aequoreum
| Hance | J. Bot. 4(41): 173 | 1866 |
| Euphorbiaceae | |
Gelonium affine
| S. Moore | J. Bot. 63(Suppl.): 104 | 1925 |
| Euphorbiaceae | |
Gelonium africana
| (Sond.) Müll. Arg. | Prodr. 15(2): 1129 | 1866 |
| Euphorbiaceae | |
Gelonium africanum
| (Sond.) Müll. Arg. | Prodr. 15(2): 1129 | 1866 |
| Euphorbiaceae | |
Gelonium angolense
| Prain | Bull. Misc. Inform. Kew 1911: 233 | 1911 |
| Euphorbiaceae | |
Gelonium angustifolium
| Müll. Arg. | Prodr. 15(2): 1128 | 1866 |
| Euphorbiaceae | |
Gelonium baronii
| S. Moore | J. Bot. 64: 42 | 1926 |
| Euphorbiaceae | |
Gelonium bifarium
| Roxb. ex Willd. | Sp. Pl. 4: 831 | 1806 |
| Euphorbiaceae | * |
Gelonium boivinianum
| (Baill.) Müll. Arg. | Prodr. 15(2): 1129 | 1866 |
| Euphorbiaceae | |
Gelonium borbonicum
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 19 | 1912 |
| Euphorbiaceae | |
Gelonium borneense
| Pax & K. Hoffm. | Mitt. Inst. Allg. Bot. Hamburg 7: 230 | 1931 |
| Euphorbiaceae | |
Gelonium cicerospermum
| Gagnep. | Bull. Soc. Bot. France 70: 875 | 1923 [1924] |
| Euphorbiaceae | |
Gelonium comorense
| S. Moore | J. Bot. 64: 42 | 1926 |
| Euphorbiaceae | |
Gelonium congoense
| S. Moore | J. Bot. 64: 42 | 1926 |
| Euphorbiaceae | |
Gelonium crenulatum
| (Baill.) Baill. | | |
| Euphorbiaceae | |
Gelonium fascuculatum
| Roxb. | Fl. Ind. 3: 832 | 1832 |
| Euphorbiaceae | |
Gelonium glandulosum
| Elmer | Leafl. Philipp. Bot. 3: 917 | 1910 |
| Euphorbiaceae | |
Gelonium glomerulatum
| (Blume) Hassk. | Cat. Hort. Bot. Bogor. 237 | 1803 |
| Euphorbiaceae | |
Gelonium gossweileri
| S. Moore | J. Bot. 64: 43 | 1926 |
| Euphorbiaceae | * |
Gelonium humbertii
| Leandri | Notul. Syst. (Paris) 11: 156 | 1944 |
| Euphorbiaceae | |
Gelonium ivorense
| Aubrév. & Pellegr. | Bull. Soc. Bot. France 85: 290 | 1938 |
| Euphorbiaceae | |
Gelonium lanceolatum
| Willd. | Sp. Pl. 4: 832 | 1806 |
| Euphorbiaceae | |
Gelonium laurinum
| (Baill.) Müll. Arg. | Prodr. 15(2): 1129 | 1866 |
| Euphorbiaceae | |
Gelonium lithoxylon
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 22 | 1912 |
| Euphorbiaceae | |
Gelonium meliocarpum
| Elmer | Leafl. Philipp. Bot. 3: 919 | 1910 |
| Euphorbiaceae | |
Gelonium microcarpum
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 19 | 1912 |
| Euphorbiaceae | |
Gelonium mindanaense
| Elmer | Leafl. Philipp. Bot. 7: 2640 | 1915 |
| Euphorbiaceae | |
Gelonium multiflorum
| A. Juss. | Euphorb. Gen. 111, pl. 10, f. 31A | 1824 |
| Euphorbiaceae | |
Gelonium obtusum
| Miq. | Fl. Ned. Ind., Eerste Bijv. (Suppl.) (3): 452 | 1860 [1861] |
| Euphorbiaceae | |
Gelonium occidentale
| Hoyle | Bull. Misc. Inform. Kew 1935: 258 | 1935 |
| Euphorbiaceae | |
Gelonium oxyphyllum
| Miq. | Fl. Ned. Ind., Eerste Bijv. (Suppl.) (3): 452 | 1860 [1861] |
| Euphorbiaceae | |
Gelonium papuanum
| Pax | Pflanzenr. IV. 147 IV(Heft 52): 20 | 1912 |
| Euphorbiaceae | |
Gelonium perrierii
| Leandri | Notul. Syst. (Paris) 11: 156 | 1944 |
| Euphorbiaceae | |
Gelonium philippinense
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 20 | 1912 |
| Euphorbiaceae | |
Gelonium pinatubense
| Elmer | Leafl. Philipp. Bot. 9: 3186 | 1934 |
| Euphorbiaceae | |
Gelonium procerum
| Prain | Bull. Misc. Inform. Kew 1911: 233 | 1911 |
| Euphorbiaceae | |
Gelonium pulgarense
| Elmer | Leafl. Philipp. Bot. 4: 1293 | 1911 |
| Euphorbiaceae | |
Gelonium pycnantherum
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 21 | 1912 |
| Euphorbiaceae | |
Gelonium racemulosum
| Merr. | Philipp. J. Sci. 4: 281 | 1909 |
| Euphorbiaceae | |
Gelonium rubrum
| Ridl. | Bull. Misc. Inform. Kew 1926: 81 | 1926 |
| Euphorbiaceae | ** |
Gelonium scaligerianum
| A. Massal. | Stud. Fl. Foss. Senigall. 101 | 1859 |
| Euphorbiaceae | |
Gelonium serratum
| Pax & K. Hoffm. | Pflanzenr. IV. 147 IV(Heft 52): 23 | 1912 |
| Euphorbiaceae | |
Gelonium spicatum
| (Baill.) Hassk. | Cat. Hort. Bot. Bogor. 237 | 1844 |
| Euphorbiaceae | |
Gelonium stenophyllum
| Merr. | Philipp. J. Sci. 27: 30 | 1925 |
| Euphorbiaceae | |
Gelonium subglomerulatum
| Elmer | Leafl. Philipp. Bot. 4: 1293 | 1911 |
| Euphorbiaceae | |
Gelonium sumatranum
| S. Moore | J. Bot. 63(Suppl.): 104 | 1925 |
| Euphorbiaceae | |
Gelonium tenuifolium
| Ridl. | J. Straits Branch Roy. Asiat. Soc. 59: 181 | 1911 |
| Euphorbiaceae | |
Gelonium trifidum
| Elmer | Leafl. Philipp. Bot. 3: 918 | 1910 |
| Euphorbiaceae | |
Gelonium zanzibariense
| (Baill.) Müll. Arg. | Prodr. 15(2): 1130 | 1866 |