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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)
342.3303 Genus Ptychopyxis Miq.; Fl. Ned. Ind., Eerste Bijv. 402 (1861)
Distribution: Tropical Asia
Species listed in database: 11
= Clarorivinia Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VII, Heft 63 (Euph.-Mercurialinae): 17 (1914)
species :
Ptychopyxis arborea (Merr.) Airy Shaw; Kew Bull. 14: 369 (1960)
Distribution: Sumatera; Borneo; Brunei
42 BOR BRN SUM
Synonyms: hidden
= Mallotus arboreus Merr.; Univ. Calif. Publ. Bot. 15: 159 (1929)
species :
Ptychopyxis bacciformis Croizat; J. Arnold Arbor. 23: 49 (1942)
Distribution: Vietnam; peninsular Malaysia (Perak); Philippines (Mindanao); Borneo; Brunei
41 VIE 42 BOR BRN MLY PHI
Synonyms: hidden
= Ptychopyxis philippina Croizat; J. Arnold Arbor. 23: 49 (1942)
= Ptychopyxis poilanei Croizat; J. Arnold Arbor. 23: 50 (1942)
= Ptychopyxis triradiata Airy Shaw; Kew Bull. 14: 366 (1960)
species :
Ptychopyxis caput-medusae (Hook.f.) Ridl.; Fl. Malay Penins. 3: 295 (1924)
Distribution: peninsular Malaysia (Kelantan, Terengganu, Perak, Pahang, Selangor, Negeri Sembilan, Melaka); Singapore
42 MLY SNG
Synonyms: hidden
= Mallotus caput-medusae Hook.f.; Fl. Brit. India [J.D.Hooker] 5: 449 (1880)
species :
Ptychopyxis chrysantha (K.Schum.) Airy Shaw; Kew Bull. 14: 370 (1960)
Distribution: New Guinea (Papua New Guinea)
42 NWG
Synonyms: hidden
= Clarorivinia chrysantha (K.Schum.) Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VII, Heft 63 (Euph.-Mercurialinae): 17 (1914)
= Clarorivinia grandifolia Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.XIV, Heft 68 (Euphorb. Addit. VI): 13 (1919)
= Mallotus chrysanthus K.Schum.; Fl. Kais. Wilh. Land [Schumann & Hollrung] 78 (1889)
species :
Ptychopyxis costata Miq.; Fl. Ned. Ind., Eerste Bijv. 402 (1861)
Distribution: peninsular Malaysia (once from Sg Krian, Perak); Sumatera
42 MLY SUM
variant :
var. oblanceolata Airy Shaw; Kew Bull. 14: 366 (1960)
Distribution: peninsular Malaysia (Perak, Pahang, Selangor, Negeri Sembilan, Melaka); Singapore; Borneo; Brunei
42 BOR BRN MLY SNG
species :
Ptychopyxis esdras Stoops; Nordic J. Bot. 31(1): 104 (2013)
Distribution: New Guinea (Papua New Guinea)
42 NWG
species :
Ptychopyxis glochidiifolia Airy Shaw; Kew Bull. 14: 373 (1960)
Distribution: Sumatera; Borneo; Brunei
42 BOR BRN SUM
Synonyms: hidden
= Ptychopyxis nervosa Airy Shaw; Kew Bull. 20: 27 (1966)
species :
Ptychopyxis grandis Airy Shaw; Kew Bull. 14: 367 (1960)
Distribution: Borneo
42 BOR
species :
Ptychopyxis javanica (J.J.Sm.) Croizat; J. Arnold Arbor. 23: 49 (1942)
Distribution: peninsular Thailand; peninsular Malaysia (Kedah, Penang, Perak); ?Sumatera; Borneo; Brunei; Jawa
41 THA 42 BOR BRN JAW MLY
Synonyms: hidden
= Podadenia javanica J.J.Sm.; Meded. Dept. Landb. Ned.-Indië 10: 388 (1910)
= Ptychopyxis angustifolia Gage; Rec. Bot. Surv. India 9: 248 (1922)
= Ptychopyxis arborea var. cacuminum Airy Shaw; Kew Bull. 20: 28 (1966)
species :
Ptychopyxis kingii Ridl.; Fl. Malay Penins. 3: 296 (1924)
Distribution: peninsular Malaysia (Perak, Pahang, Johor); E-Sumatera; Borneo; Brunei
42 BOR BRN MLY SUM
Synonyms: hidden
= Mallotus arboreus var. platyphyllus Merr.; Pap. Michigan Acad. Sci. 19: 161 (1933)
species :
Ptychopyxis plagiocarpa Airy Shaw; Kew Bull. 14: 372 (1960)
Distribution: SW-Thailand; Laos
41 LAO THA
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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