Belongs within: Fabidae.
Contains: Anisophyllea, Coriaria, Begoniaceae, Trichosanthes, Cucurbiteae.
The Cucurbitales are a clade of morphologically somewhat divergent taxa supported by molecular analyses. The clade is most diverse in tropical regions though there are also numerous temperate species.
The Cucurbitaceae, the squash and gourd family, are mostly comprised of annual vines, many species of which are cultivated for their fruit. Species of Datisca, a genus of herbaceous plants with pinnate leaves found in western and central Asia and western North America, host nitrogen-fixing bacteria in their roots. The Anisophylleaceae are a pantropical group of trees and shrubs with leathery, palmate-veined, entire-margined leaves. The Apodanthaceae are a small family of derived endoparasites growing in branches and stems of their host, and only producing flowers and fruit externally.
Characters (Angiosperm Phylogeny Website): Storied fusiform cambial initials; perforation plates not or minimally bordered; rays wide, multiseriate; cuticle wax crystalloids absent; leaves spiral, secondary veins palmate; corolla or perianth valvate, stomata raised, the two whorls rather similar in texture; ovule with bistomal micropyle.
<==Cucurbitales [Begoniineae, Cucurbitineae]
|--AnisophylleaceaeWM09
| |--AnisophylleaWM09
| |--CombretocarpusT00
| |--PogaT00
| `--PolygonanthusT00
`--+--CoriariaWM09
`--+--+--BegoniaceaeWM09
| `--Datiscaceae [Datiscoideae]WM09
| |--Tetrameleoxylon prenudiflora Lakhanpal & Verma 1966CBH93
| `--DatiscaWM09
| |--D. cannabinaWM09
| `--D. glomerataH93
`--CucurbitaceaeWM09
| i. s.: Sechium eduleZ02
| TrichosanthesLK14
| MarahH03
| |--M. fabaceus [incl. M. fabaceus var. agrestis]H93
| |--M. horridusH93
| |--M. macrocarpusH93
| | |--M. m. var. macrocarpusH93
| | `--M. m. var. majorH93
| |--M. oreganusH93
| `--M. watsoniiH93
| ActinostemmaYY22
| BenincasaYY22
| |--B. ceriferaRC02
| `--B. hispidaW92
| BlastaniaYY22
| Brandegea bigeloviiH93
| BryonopsisYY22
| CalycophysumYY22
| Cerasiocarpum bennettiiSR07
| CionosicyosYY22
| CorallocarpusPP07
| |--C. conocarpusPP07
| `--C. epigaeusPP07
| CucumeropsisYY22
| CyclantheraYY22
| CyclantheropsisYY22
| Dactyliandra welwitschiiPP07
| DelognaeaYY22
| Dendrosicyos socotranaJ54
| DicaelospermaYY22
| ElateriopsisYY22
| FrantziaYY22
| Gomophogyne macrocarpaDD73
| GuraniopsisYY22
| Gymnopetalum cochinchinenseYY22, RC02
| HanburiaYY22
| LagenariaBR65
| |--L. sicerariaBR65
| `--L. vulgarisA27 [incl. Cucurbita lagenariaC55]
| LuffaBR65
| |--L. acutangulaKJ05
| |--L. aegyptiacaLK14
| | |--L. a. var. aegyptiacaLK14
| | `--L. a. var. leiocarpaLK14
| |--L. cylindricaBR65
| `--L. graveolensLK14
| MelanciumYY22
| Melothria [Melothrieae]BR65
| |--M. affinisRC02
| |--M. domingensisJ87
| |--M. heterophylla [=Solena heterophylla]DD73
| |--M. leucocarpaDD73
| |--M. maderaspatana (Linnaeus) Cogniaux 1881 (see below for synonymy)BR65
| |--M. marginataRC02
| `--M. perpusilla [incl. Zehneria maysorensis]DD73
| MicrosechiumYY22
| Muellerargia timorensisLK14
| OreosyceYY22
| PeponiumYY22
| PisospermaYY22
| PittieraYY22
| PolakowskiaYY22
| PosadeaYY22
| PteropeponYY22
| RaphanocarpusYY22
| RoseanthusYY22
| SechiopsisYY22
| SelysiaYY22
| SchizocarpumYY22
| SicanaYY22
| Sicyos Linnaeus 1753A61
| |--S. angulata Linnaeus 1753 [incl. S. fretensis Hook. f. 1847]A61
| |--S. australis Endl. 1833H90, A61
| `--S. laciniatusJ87
| SicyospermaYY22
| ToxantheraYY22
| TumamocaYY22
| VaseyanthusYY22
| HomenosicyosYY22
| AbobraYY22
| AcanthosicyosYY22
| |--A. horridusCV06
| `--A. nandianusBP87
| AdenopusYY22
| AlsomitraYY22
| AmpelosicyosYY22
| AnguriopsisYY22
| AnisospermaYY22
| BiswareaYY22
| Coccinia grandisPP07
| CogniauxiaYY22
| DieudonnaeaYY22
| DimorphochlamysYY22
| EulenburgiaYY22
| EureiandraYY22
| FevilleaYY22 [FevilleaeBR65]
| GerrardanthusYY22
| Gurania spinulosaK06
| GynostemmaYY22
| HelmontiaYY22
| HemsleyaYY22
| HerpetospermumYY22
| MacrozanoniaYY22
| MaximowicziaYY22
| PeponopsisYY22
| PhialocarpusYY22
| PhysedraYY22
| SiolmatraYY22
| SphaerosicyosYY22
| TelfairiaYY22
| ThladianthaDD73
| |--T. calcarataDD73
| `--T. hookeriDD73
| |--T. h. var. hookeriDD73
| `--T. h. var. palmatifoliaDD73
| |--T. h. var. p. f. palmatifoliaDD73
| `--T. h. var. p. f. trifoliataDD73
| TrochomeriaYY22
| TrochomeriopsisYY22
| ApodantheraYY22
| Cayaponia americanaJ87
| CerathosanthesYY22
| KedrostisYY22
| RaphanistrocarpusYY22
| WilbrandiaYY22
| Cucumella clavipetiolataCV06
| Cephalandra indicaP03
| Sicyon nihoaensisO94
| Diplocyclos palmatusLK14
| ZehneriaH90
| |--Z. cunninghamii [=Melothria cunninghamii]H90
| |--Z. micranthaH90 (see below for synonymy)
| `--Z. mucronata [incl. Z. alba Ridley 1906]JG19
| Bryonia dioicaH93
| CucumitesCBH93
| CucurbitospermumCBH93
| Hexacolpites echinatus Salard-Cheboldaeff 1978CBH93
| Mukia maderaspatanaH90
| Solena Lour. 1790KC01
| Gymnostemma pentaphyllaDD73
| Neoalsomitra schefferianaEN20
| |--N. s. ssp. schefferianaEN20
| `--N. s. ssp. podagricaEN20
| IbervilleaJ54
| XerosicyosJ54
| Hodgsonia heteroclitaRC02
| Mormodica charantiaRC02
|--NhandiroboideaeT00
`--CucurbiteaeT00
Cucurbitales incertae sedis:
Apodanthaceae [Apodanthoideae]APG16
|--ApodanthesT00
`--Pilostyles Guillemin 1834T00, D84
|--*P. berterii Guillemin 1834D84
|--P. collina Dell 1983D84
|--P. hamiltonii Gardner 1948D84
`--P. thurberiH93
Corynocarpus Forster & Forster 1776A61 [CorynocarpaceaeAPG16]
|--*C. laevigatus Forster & Forster 1776G84
|--C. cribbianus (Bailey) Smith 1956 (see below for synonymy)G84
|--C. rupestris Guymer 1984G84
| |--C. r. ssp. rupestrisG84
| `--C. r. ssp. arborescens Guymer 1984G84
`--C. similisG84
Tetramelaceae [Tetrameleae, Tetrameloideae]APG16
|--Octomeles sumatrana Miq. 1861T00, C78 [incl. O. moluccana Teysm. & Binn. ex Hassk. 1866C78]
`--Tetrameles nudiflora Brown in Benn. 1838 [incl. T. grahamiana Wight 1853, T. horsfieldii Steud. 1841]C78
Corynocarpus cribbianus (Bailey) Smith 1956 [=Cyanocarpus cribbiana Bailey 1897, Helicia cribbiana (Bailey) Bailey 1901; incl. Corynocarpus australasicus White 1933]G84
Melothria maderaspatana (Linnaeus) Cogniaux 1881 [=Cucumis maderaspatanus Linnaeus 1753; incl. Bryonia scabrella Linnaeus 1781, Mukia scabrella (Linnaeus) Arnott 1841]BR65
Zehneria micranthaH90 [=Cucurbita micrantha Mueller 1855BR65, Melothria micrantha Mueller ex Cogniaux 1881H90, BR65, Mukia micranthaH90; incl. Cucumis muelleri Naudin 1859BR65, Melothria muelleri Bentham 1866BR65]
*Type species of generic name indicated
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