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342.0000 Family Euphorbiaceae A.Juss.; Gen. Pl. [Jussieu] 384 (1789), nom. cons. (s. str.)
210 genera, ca. 6700 spp.
Species listed in database: 6532; hybrids: 56
= Acalyphaceae A.Juss. ex Menge; Cat. Pl. Grudent. Gedan. 172 (1839)
= Bertyaceae J.Agardh; Theoria Syst. Pl. 190 (1858)
= Cheilosaceae Doweld; Tent. Syst. Pl. Vasc.: xxxi (2001)
= Crotonaceae J.Agardh; Theoria Syst. Pl. 258 (1858)
= Hippomanaceae J.Agardh; Theoria Syst. Pl. 244 (1858)
= Mercurialaceae Bercht. & J.Presl; Přir. Rostlin 237 (1820)
= Ricinaceae Martinov; Tekhno-Bot. Slovar 547 (1820)
= Ricinocarpaceae Hurus.; J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 224 (1954)
= Tithymalaceae Vent.; Tabl. Règn. Vég. 3: 483 (1799)
= Tragiaceae Raf.; Fl. Tellur. 4: 111 (1838)
= Trewiaceae Lindl.; Intr. Nat. Syst. Bot., ed. 2: 174 (1836)
342.5301 Genus Homalanthus A.Juss.; Euphorb. Gen. 50, t. 16 (1824)
Distribution: Tropical Asia, Malesia, Australia, Pacific to Austral Isl.
Species listed in database: 23
= Carumbium Reinw.; Elench. Sem. Hort. Leid. 319 (1823), et Syll. Ratisb. 2: 6 (1828)
= Dibrachion Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1865: 51 (1866)
= Duania Noronha; Verh. Batav. Genootsch. Kunst. 5(4): 2 (1790), nomen
= Garumbium Blume; Flora 8: t. 103 (1825)
= Wartmannia Müll.Arg.; Linnaea 34: 218 (1865)
species :
Homalanthus acuminatus (Müll.Arg.) Pax; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 19c: 189 (1931)
Distribution: [Western] Samoa (´Upolu, Savai´i)
60 SAM
Synonyms: hidden
= Carumbium acuminatum Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1144 (1866)
= Macaranga reineckei Pax; Bot. Jahrb. Syst. 25: 646 (1898)
species :
Homalanthus arfakiensis Hutch.; Fl. Arfak Mts. [Gibbs] 145 (1917)
Distribution: Moluccas (Morotai); New Guinea (Irian Jaya, Papua New Guinea)
42 MOL NWG
Synonyms: hidden
= Homalanthus agallochoides J.J.Sm.; Nova Guinea 12: 547, tt 228 B, 229 (1917)
= Homalanthus collinus Gage; Nova Guinea 12: 484 (1917)
= Homalanthus megalanthus Gage; Nova Guinea 12: 482, t. 184 (1917)
= Homalanthus minutiflorus Airy Shaw; Kew Bull. 21: 414 (1968)
species :
Homalanthus caloneurus Airy Shaw; Kew Bull. 21: 413 (1968)
Distribution: Borneo; Brunei
42 BOR BRN
Synonyms: hidden
= Homalanthus populneus var. cordifolius Heine; Feddes Repert. Spec. Nov. Regni Veg. 54: 235 (1951)
species :
Homalanthus ebracteatus Guillaumin; J. Arnold Arbor. 13: 94 (1932)
Distribution: Vanuatu
60 VAN
species :
Homalanthus fastuosus (Linden) Fern.-Vill.; Fl. Filip. [Blanco], ed. 3, Nov. App. 196 (1880)
Distribution: Taiwan (Orchid Isl., Botel Tobago Isl.); Philippines (Batan, Luzon, Catanduanes, Mindoro, Panay, Negros, Mindanao)
38 TAI 42 PHI
Synonyms: hidden
= Carumbium fastuosum (Linden) Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1144 (1866)
= Homalanthus alpinus Elmer; Leafl. Philipp. Bot. 1: 307 (1908)
= Homalanthus bicolor Merr.; Philipp. J. Sci., C 4: 282 (1909)
= Homalanthus milvus Airy Shaw; Kew Bull. 36(3): 611 (1981)
= Mappa fastuosa Linden; Ann. Hort. Belge Étrangère 15: 100 (1865)
species :
Homalanthus giganteus Zoll. & Moritzi; Natuur- Geneesk. Arch. Ned.-Indië 2: 584 (1845)
Distribution: Borneo; Jawa; Lesser Sunda Isl. (Bali); East Timor
42 BOR JAW LSI
Synonyms: hidden
= Carumbium giganteum (Zoll. & Moritzi) Müll.Arg. ex Miq.; Fl. Ned. Ind. 1(2): 687 (1859)
= Dibrachion peltatum Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1865: 51 (1866)
= Homalanthus niveus Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 51 (1912)
species :
Homalanthus grandifolius Ridl.; J. Fed. Malay States Mus. 8(4): 84 (1917)
Distribution: Sumatera; Borneo
42 BOR SUM
species :
Homalanthus longipes Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 51 (1912)
Distribution: Vanuatu
60 VAN
species :
Homalanthus longistylus K.Schum. & Lauterb.; Fl. Schutzgeb. Südsee [Schumann & Lauterbach] 407 (1912)
Distribution: New Guinea (Papua New Guinea); Bismarck Arch.
42 NWG 43 BIS
Synonyms: hidden
= Homalanthus papuanus Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 45 (1912)
species :
Homalanthus macradenius Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 51 (1912)
Distribution: Philippines
42 PHI
Synonyms: hidden
= Homalanthus concolor Merr.; Philipp. J. Sci. 20: 398 (1922)
= Homalanthus megaphyllus Merr.; Philipp. J. Sci., C 9: 485 (1914 publ. 1915)
= Homalanthus rotundifolius Merr.; Philipp. J. Sci., C 9: 486 (1914 publ. 1915)
= Homalanthus surigaoensis Elmer; Leafl. Philipp. Bot. 7: 2645 (1915)
species :
Homalanthus nervosus J.J.Sm.; Nova Guinea 8: 792 (1912)
Distribution: New Guinea (Irian Jaya, Papua New Guinea)
42 NWG
Synonyms: hidden
= Homalanthus deltoideus Airy Shaw; Kew Bull. 34(3): 594 (1980)
= Homalanthus vernicosus Gage; Nova Guinea 12: 483, t, 185 (1917)
species :
Homalanthus novoguineensis (Warb.) K.Schum.; Fl. Schutzgeb. Südsee [Schumann & Lauterbach] 407 (1900)
Distribution: Lesser Sunda Isl. (Timor, etc.); East Timor; Moluccas (Ternate, Halmaheira); New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch.; Solomon Isl.; Australia (Western Australia, Northern Territory, Queensland)
42 LSI MOL NWG 43 BIS SOL 50 AUS
Synonyms: hidden
= Carumbium novoguineense Warb.; Bot. Jahrb. Syst. 18: 199 (1893)
= Homalanthus beguinii J.J.Sm.; Bull. Jard. Bot. Buitenzorg, Sér. 3, 6: 98 (1924)
= Homalanthus brachystachys Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 47 (1912)
= Homalanthus crinitus Gage; Nova Guinea 12: 484 (1917)
= Homalanthus elegans Gage; Nova Guinea 12: 483, t. 186 (1917)
= Homalanthus pachystylus Airy Shaw; Kew Bull. 34(3): 595 (1980)
= Homalanthus tetrandrus J.J.Sm.; Nova Guinea 8: 791 (1912)
species :
Homalanthus nutans (G.Forst.) Guillaumin; Ann. Sci. Nat., Bot., Sér. 2, 7: 186 (1836)
Distribution: New Caledonia; New Caledonia (incl. Loyalty Isl.); Vanuatu; Tonga (Tongatapu, ´Eua, Vava´u, Tafahi, Niuatoputapu); Niue; Fiji; American Samoa (Tutuila, Ofu, Olosega, Ta´u); [Western] Samoa (Aleipata Islands, ´Upolu, Savai´i); Cook Isl. (Rarotonga); Society Isl. (Raiatea, Tahaa, Tahiti); Austral Isl. (Raivavae, Rurutu); Fed. States of Micronesia (Pohnpei)
60 ASA FIJ NUE NWC SAM TON VAN 61 AUI COO SCI 62 MIC
Synonyms: hidden
= Carumbium moerenhoutianum Muell, Arg.; Prodr. [A.P. de Candolle] 15(2): 1146 (1866)
= Carumbium nutans (G.Forst.) Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1146 (1866)
= Carumbium pedicellatum (Benth.) Miq.; Fl. Ned. Ind. 1(2): 414 (1859)
= Croton nutans G.Forst.; Fl. Ins. Austr. 67 (1786)
= Homalanthus gracilis H.St.John; Nordic J. Bot. 4(1): 53 (1984)
= Homalanthus moerenhoutianus (Müll.Arg.) Benth. & Hook.f. ex Drake; Ill. Fl. Ins. Pacif. 293 (1892)
= Homalanthus nutans var. major Pax; Bot. Jahrb. Syst. 25: 648 (1898)
= Homalanthus nutans var. rhombifolius Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1146 (1866)
= Homalanthus pedicellatus Benth.; London J. Bot. 2: 232 (1843)
= Seborium nutans (G.Forst.) Raf.; Sylva Tellur. 63 (1838)
= Stillingia nutans (G.Forst.) Geiseler; Croton. Monogr. [Geiseler] 80 (1807)
species :
Homalanthus polyadenius Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.XIV, Heft 68 (Euphorb. Addit. VI): 57 (1919)
Distribution: New Guinea (Irian Jaya)
42 NWG
Remarks: status uncertain, not listed in Checklist New Guinea
species :
Homalanthus polyandrus (Hook.f. ex Müll.Arg.) G.Nicholson; Ill. Dict. Gard. 2: 149 (1885)
Distribution: Kermadec Isl.; Nicaragua [I]
51 KER 80 nic
Synonyms: hidden
= Carumbium polyandrum Hook.f.; Handb. N. Zeal. Fl. 248 (1864)
= Homalanthus polyandrus (Hook.f.) Cheeseman; Man. New Zealand Fl. 630 (1906), isonym
species :
Homalanthus populifolius (Reinw.) Graham; Edinburgh New Philos. J. 175 (1827)
Distribution: South Africa [I] (W-Cape Prov. [I]); Mauritius [I]; New Guinea (Papua New Guinea); Bismarck Arch.; Solomon Isl.; Australia (Western Australia [I], Queensland, New South Wales); Lord Howe Isl.; Norfolk Isl.; New Zealand [I]
27 saf 29 mau 42 NWG 43 BIS SOL 50 AUS LHI NFK 51 nzl
Synonyms: hidden
= Carumbium pallidum Müll.Arg.; Linnaea 32: 85 (1863)
= Carumbium platyneuron Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1145 (1866)
= Carumbium populifolium (Graham) Benth. & F.Muell.; Fl. Austral. [Bentham] 6: 150 (1873), nom. illeg.
= Carumbium sieberi Müll.Arg.; Linnaea 32: 85 (1863)
= Homalanthus goodenoviensis Airy Shaw; Kew Bull. 21: 417 (1968)
species :
Homalanthus populneus (Geiseler) Kuntze; Revis. Gen. Pl. 619 (1891)
Distribution: peninsular Thailand; peninsular Malaysia; Sumatera; Borneo; Brunei; Sulawesi; Palawan; Philippines (Luzon, Panay, Negros, Leyte, Tawi-Tawi, Jolo, Basilan, Mindanao); Jawa; Lesser Sunda Isl. (Bali, etc.); Moluccas
41 THA 42 BOR BRN JAW LSI MLY MOL PHI PLW SUL SUM
Synonyms: hidden
= Carumbium populifolium Reinw. ex Blume; Cat. Gew. Buitenzorg [Blume] 105 (1823)
= Carumbium populneum (Geiseler) Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1144 (1866)
= Carumbium populneum var. minus Müll.Arg.; Prodr. [A.P. de Candolle] 15(2): 1145 (1866)
= Excoecaria laevis Blanco; Fl. Filip. [Blanco] 788 (1837)
= Homalanthus leschenaultianus A.Juss.; Euphorb. Gen. 50, t. 16 (1824)
= Homalanthus populneus (Geiseler) Pax; Nat. Pflanzenfam. [Engler & Prantl] III, 5: 96 (1892), isonym
= Homalanthus populneus var. laevis (Blanco) Merr.; Sp. Blancoan. 230 (1918)
= Homalanthus populneus var. minor (Müll.Arg.) Merr.; Philipp. J. Sci., C 7: 390 (1912 publ. 1913)
= Homalanthus sulawesianus Airy Shaw; Kew Bull. 35(2): 398 (1980)
= Stillingia populnea Geiseler; Croton. Monogr. [Geiseler] 80 (1807)
species :
Homalanthus remotus Esser; Blumea 42: 457 (1997)
Distribution: New Guinea (Irian Jaya)
42 NWG
species :
Homalanthus repandus Schltr.; Bot. Jahrb. Syst. 39: 154 (1906)
Distribution: New Caledonia (incl. Loyalty Isl.: Lifou)
60 NWC
species :
Homalanthus schlechteri Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.V, Heft 52 (Euph.-Hippomaneae): 52 (1912)
Distribution: New Caledonia (incl. Île des Pins, Loyalty Isl.)
60 NWC
species :
Homalanthus stillingifolius F.Muell.; Fragm. [Mueller] 1: 32 (1858)
Distribution: Australia (Queensland, New South Wales)
50 AUS
Synonyms: hidden
= Carumbium stillingifolium (F.Muell.) Baill.; Adansonia 6: 325 (1866)
= Wartmannia stillingifolius (F.Muell.) Müll.Arg.; Linnaea 34: 219 (1865)
species :
Homalanthus stokesii F.Br.; Bull. Bernice P. Bishop Mus. 130: 151 (1935)
Distribution: Austral Isl. (Rapa Iti)
61 AUI
species :
Homalanthus trivalvis Airy Shaw; Kew Bull. 21: 415 (1968)
Distribution: Bougainville; Solomon Isl.
43 SOL
Synonyms: hidden
= Homalanthus xerocarpus Airy Shaw; Kew Bull. 33(3): 536 (1979)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.08 (August 2nd, 2026)

Covering 360,349 accepted species,
8,927 hybrids, 47,544 accepted infraspecific taxa and 1,011,667 synonyms,
in total 1,428,487* names

[*about 20,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]


With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life