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This genus is accepted, and its native range is Tropical & Subtropical Old World.
Cucumis melo

[FZ]

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Annual or perennial herbs, the latter with thickened or tuberous rootstock; stems annual, prostrate or scandent.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils simple, rarely more than one at each node.
Morphology Reproductive morphology Flowers Corolla
Corolla-lobes 5, united near the base.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, two double 2-thecous, one single 1-thecous; filaments short, inserted on receptacle-tube, free; anthers free; connective more or less produced; thecae triplicate.
Morphology Reproductive morphology Flowers Disc
Disk basal, subglobose, free from receptacle-tube.
Morphology Reproductive morphology Flowers
Female flowers usually solitary, pedicellate; ovary smooth and densely pubescent or setulose, or covered with soft apically setulose spines or tubercules; ovules numerous, horizontal; perianth as in male flower; staminodes often present, 3, subulate, inserted on receptacle-tube; disk annular, surrounding base of style, free from receptacle-tube; stigma 3-lobed. Flowers small to medium or rarely rather large, yellow or pale yellow, monoecious or dioecious, male flowers solitary or in few-flowered axillary fascicles; receptacle-tube campanulate or obconic, ± setulose, lobes usually linear, small.
Morphology Reproductive morphology Fruits
Fruit usually ellipsoid, oblong-ellipsoid or subglobose, smooth and pubescent to glabrous or usually with dense to scattered apically setiferous spines, tubercules or pustules, firm-walled, fleshy, indehiscent, rarely geocarpic, usually yellowish when ripe, sometimes reddish, often longitudinally striped.
Morphology Reproductive morphology Seeds
Seeds ovate or elliptic in outline, usually smooth, compressed.

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Scandent or trailing perennial or annual herbs
Morphology Leaves
Leaves simple
Morphology General Tendrils
Tendrils simple or very rarely bifid
Morphology Reproductive morphology Inflorescences
Monoecious or dioecious; flowers small to medium-sized or rarely large
Morphology Reproductive morphology Flowers Hypanthium
Hypanthium campanulate, ± setulose
Morphology Reproductive morphology Flowers Calyx
Sepals 5, usually small, narrow
Morphology Reproductive morphology Flowers Corolla
Petals 5, yellow, united near the base
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, 2 two-thecous, 1 one-thecous, inserted on the middle of the hypanthium; filaments short; thecae triplicate, straight or apically hooked
Morphology Reproductive morphology Flowers
Female flowers solitary Male flowers solitary or in small fascicles
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary usually with soft apically setiferous spines or pustules, less often smooth and hairy
Morphology Reproductive morphology Flowers Gynoecium Ovary Ovules
Ovules numerous, horizontal
Morphology Reproductive morphology Flowers Perianth
Perianth similar to that of male flowers
Morphology Reproductive morphology Flowers Disc
Disc annular, surrounding base of style Disc elevated, free from the hypanthium
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigmas 3
Morphology Reproductive morphology Fruits
Fruit subglobose to cylindric or fusiform, firmly fleshy, smooth and hairy or with sparse to dense apically setiferous spines, tubercles or pustules
Morphology Reproductive morphology Seeds
Seeds ovate or elliptic in outline, smooth, compressed.
Distribution
About 60 species in the palaeotropics, mostly in tropical and southern Africa.

[FTEA]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Medium-sized climbing or trailing herbs; stem annual, usually ± hispid- or scabrid-hairy
Morphology Leaves
Leaves simple, palmately lobed, petiolate
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Flowers
Flowers small to medium-sized, yellow, monoecious, rarely dioecious Female flowers usually solitary; ovary hairy, the hairs often apical on small soft papillae or aculei; ovules many, horizontal; perianth as in ♂ flower; staminodes often present, 3, subulate, inserted on the tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed Male flowers solitary or in few-flowered sessile or pedunculate groups; receptacle-tube campanulate; lobes small, filiform: petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted about the middle of the tube; filaments and anthers free; connective apically produced; thecae triplicate; disk obconic or subglobose, basal, free from the tube
sex Male
Male flowers solitary or in few-flowered sessile or pedunculate groups; receptacle-tube campanulate; lobes small, filiform: petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted about the middle of the tube; filaments and anthers free; connective apically produced; thecae triplicate; disk obconic or subglobose, basal, free from the tube
sex Female
Female flowers usually solitary; ovary hairy, the hairs often apical on small soft papillae or aculei; ovules many, horizontal; perianth as in ♂ flower; staminodes often present, 3, subulate, inserted on the tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruit fleshy, usually rather firm-walled, indehiscent, smooth and glabrous or ± uniformly pubescent or more often with dense to scattered fleshy spines, pustules or tubercles each of which ends in a ± broad-based hyaline bristle or the basal remnants thereof, red, yellow, greenish or sometimes brownish, rarely maturing underground
Morphology Reproductive morphology Seeds
Seeds small to medium-sized, lenticular, light-coloured, elliptic in outline and usually rather more pointed at the proximal end
Figures
Figs. 15, 16, (p. 101).

[FTEA]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Prostrate herbs
Morphology Leaves
Leaves deeply palmately dissected
Morphology General Tendrils
Tendrils absent
Morphology Reproductive morphology Flowers
Flowers very small, yellow, monoecious Male flowers solitary or few-fasciculate, shortly pedicellate; receptacle-tube shallowly saucer-shaped; lobes small, dentiform; petals 5, ± rounded; stamens 3, 2 double 2-thecous, 1 single 1-thecous; filaments short, inserted near base of receptacle-tube, free; anthers lightly coherent in centre of flower; connective narrow; thecae arcuate, apically incurved; disk absent Female flowers solitary or paired, subsessile, sometimes coaxillary with ♂; ovary hairy, subglobose; ovules horizontal; perianth as in ♂ flower; staminodes 3, subulate, inserted near base of tube; disk absent; stigma 3-lobed
sex Male
Male flowers solitary or few-fasciculate, shortly pedicellate; receptacle-tube shallowly saucer-shaped; lobes small, dentiform; petals 5, ± rounded; stamens 3, 2 double 2-thecous, 1 single 1-thecous; filaments short, inserted near base of receptacle-tube, free; anthers lightly coherent in centre of flower; connective narrow; thecae arcuate, apically incurved; disk absent
sex Female
Female flowers solitary or paired, subsessile, sometimes coaxillary with ♂; ovary hairy, subglobose; ovules horizontal; perianth as in ♂ flower; staminodes 3, subulate, inserted near base of tube; disk absent; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruit small, baccate
Morphology Reproductive morphology Seeds
Seeds small, ovoid, smooth, obscurely margined
Figures
Fig. 22, p. 130.

[FTEA]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Rather small climbers or trailers; stems herbaceous, annual or perennial, when perennial becoming ± woody when old
Morphology Leaves
Leaves simple, ± palmately lobed, rarely unlobed, petiolate
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Flowers
Flowers small, yellow, monoecious or sometimes dioecious Female flowers solitary, pedicellate; ovary smooth, hairy; ovules many, horizontal; perianth as in ♂ flower; staminodes when present 3, subulate, inserted on receptacle-tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed Male flowers solitary or more often in small fascicles, pedicellate; receptacle-tube campanulate; lobes small, subulate or filiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted on the tube; anthers and filaments free; connective shortly produced apically; thecae straight, subparallel, sometimes apically hooked; disk elevated, convex, free from tube
sex Male
Male flowers solitary or more often in small fascicles, pedicellate; receptacle-tube campanulate; lobes small, subulate or filiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, shortly inserted on the tube; anthers and filaments free; connective shortly produced apically; thecae straight, subparallel, sometimes apically hooked; disk elevated, convex, free from tube
sex Female
Female flowers solitary, pedicellate; ovary smooth, hairy; ovules many, horizontal; perianth as in ♂ flower; staminodes when present 3, subulate, inserted on receptacle-tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruit rather small, fleshy, thin- or sometimes rather firm-walled, smooth but always hairy and sometimes scabrid, ellipsoid, and sometimes beaked, or fusiform, indehiscent
Morphology Reproductive morphology Seeds
Seeds small, ovate or elliptic in outline, lenticular, compressed, not or only obscurely bordered
Figures
Fig. 18, p. 112.

[FZ]

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Rather small scandent or prostrate perennial herbs.
Morphology Stem
Stems herbaceous, annual or perennial, becoming somewhat woody when old.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils simple.
Morphology Reproductive morphology Flowers Receptacle
Receptacle-tube campanulate, lobes small, subulate or filiform.
Morphology Reproductive morphology Flowers Corolla
Corolla-lobes 5, united below.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 3, 2 double two-thecous, 1 single one-thecous, shortly inserted on the receptacle-tube; anthers and filaments free; connective shortly produced; thecae straight, sub-parallel, sometimes apically incurved.
Morphology Reproductive morphology Flowers Disc
Disk elevated, convex, free from the receptacle-tube.
Morphology Reproductive morphology Flowers
Female flowers solitary, pedicellate; ovary shortly hirsute or hispid; ovules many, horizontal; perianth as in male flower; disk annular, surrounding base of style, free from the receptacle-tube; stigma 3-lobed. Male flowers solitary or in small fascicles, pedicellate. Flowers small, yellow, monoecious or dioecious.
Morphology Reproductive morphology Fruits
Fruit rather small, fleshy, thin-walled or firm-walled, smooth but always ± hirsute or scabrid, ellipsoid or fusiform, sometimes rostrate, indehiscent.
Morphology Reproductive morphology Seeds
Seeds small, ovate or elliptic in outline, compressed, whitish, not or obscurely bordered.

[FTEA]

Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

Morphology General Habit
Medium-sized climbers; stems herbaceous, hispid, becoming when old somewhat thickened, woody and ± rough-barked at the base
Morphology Leaves
Leaves simple, ovate-cordate, triangular or hastate, palmately lobed, petiolate
Morphology General Tendrils
Tendrils simple
Morphology Reproductive morphology Flowers
Flowers very small, yellow, monoecious Male flowers in sessile clusters, subsessile or shortly pedicellate; receptacle-tube campanulate, hispid-hairy outside; lobes small, subulate or triangular-dentiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, inserted on the tube; anthers and filaments free; connective shortly produced apically into a rather slender appendage; thecae straight or slightly arcuate; disk elevated, free from the receptacle-tube Female flowers in sessile clusters, sometimes solitary, subsessile, sometimes coaxillary with ♂; ovary ellipsoid or globose, smooth, ± hispid-hairy; ovules several, horizontal; perianth as in ♂ flower; staminodes when present 3, subulate, inserted on receptacle-tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed
sex Male
Male flowers in sessile clusters, subsessile or shortly pedicellate; receptacle-tube campanulate, hispid-hairy outside; lobes small, subulate or triangular-dentiform; petals united below; stamens 3, 2 double 2-thecous, 1 single 1-thecous, inserted on the tube; anthers and filaments free; connective shortly produced apically into a rather slender appendage; thecae straight or slightly arcuate; disk elevated, free from the receptacle-tube
sex Female
Female flowers in sessile clusters, sometimes solitary, subsessile, sometimes coaxillary with ♂; ovary ellipsoid or globose, smooth, ± hispid-hairy; ovules several, horizontal; perianth as in ♂ flower; staminodes when present 3, subulate, inserted on receptacle-tube; disk annular, surrounding base of style, free from tube; stigma 3-lobed
Morphology Reproductive morphology Fruits
Fruits subsessile in axillary clusters or sometimes solitary, small, baccate, ellipsoid or globose, ± hispid-hairy when young, red and practically glabrous when ripe, smooth
Morphology Reproductive morphology Seeds
Seeds small, elliptic in outline, rather tumid, with prominent thick raised margins and flat or slightly convex smooth or scrobiculate disk
Figures
Fig. 19, p. 116.

[FZ]

Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

Morphology General Habit
Scandent herbs.
Morphology Leaves
Leaves simple, petiolate.
Morphology General Tendrils
Tendrils simple.
Morphology Reproductive morphology Flowers
Flowers very small, monoecious. Female flowers in sessile fascicles, rarely solitary, subsessile or shortly pedicellate; ovary ellipsoid or globose, smooth, ± setose; ovules numerous, horizontal; perianth as in male flower; staminodes 3, subulate, inserted on the receptacle-tube; disk annular, surrounding base of style; stigma 3-lobed. Male flowers in sessile fascicles, shortly pedicellate. Receptacle-tube obconic-campanulate, lobes small, narrow, dentiform or subulate. Corolla-lobes 5, united below. Stamens 3, two double 2-thecous, one single 1-thecous; filaments short, inserted on the receptacle-tube, free; connective shortly produced; thecae straight.
Morphology Reproductive morphology Flowers Disc
Disk basal, subglobose, free from the receptacle-tube.
Morphology Reproductive morphology Fruits
Fruits subsessile in axillary fascicles, sometimes solitary, small, baccate, ellipsoid or globose, smooth, red and usually glabrous when mature.
Morphology Reproductive morphology Seeds
Seeds elliptic in outline, rather tumid, with prominent margins and flat or convex disk, usually ± verrucose or scrobiculate.

Native to:

Afghanistan, Algeria, Andaman Is., Angola, Assam, Bangladesh, Benin, Borneo, Botswana, Burkina, Burundi, Cambodia, Cameroon, Cape Provinces, Central African Repu, Chad, China South-Central, China Southeast, Congo, Djibouti, East Himalaya, Egypt, Eritrea, Ethiopia, Free State, Gabon, Gambia, Guinea, Guinea-Bissau, Gulf of Guinea Is., Gulf States, India, Iran, Iraq, Ivory Coast, Jawa, Kenya, KwaZulu-Natal, Laos, Lebanon-Syria, Lesotho, Lesser Sunda Is., Liberia, Madagascar, Malawi, Malaya, Mali, Maluku, Mauritania, Mozambique, Myanmar, Namibia, Nansei-shoto, Nepal, New Guinea, New South Wales, Nicobar Is., Niger, Nigeria, Northern Provinces, Northern Territory, Oman, Pakistan, Palestine, Philippines, Queensland, Rwanda, Saudi Arabia, Senegal, Sierra Leone, Sinai, Socotra, Somalia, South Australia, Sri Lanka, Sudan, Sulawesi, Sumatera, Swaziland, Taiwan, Tanzania, Thailand, Togo, Uganda, Vietnam, West Himalaya, Western Australia, Yemen, Zambia, Zaïre, Zimbabwe

Introduced into:

Alabama, Albania, Argentina Northeast, Argentina Northwest, Arizona, Arkansas, Aruba, Austria, Bahamas, Belize, Bismarck Archipelago, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, California, Canary Is., Cape Verde, Caroline Is., Cayman Is., China North-Central, Colombia, Comoros, Connecticut, Cook Is., Costa Rica, Cuba, Czechoslovakia, Denmark, Dominican Republic, Ecuador, El Salvador, Fiji, Finland, Florida, Galápagos, Georgia, Ghana, Gilbert Is., Guatemala, Haiti, Hawaii, Illinois, Jamaica, Japan, Kansas, Kazakhstan, Kentucky, Kirgizstan, Korea, Leeward Is., Libya, Louisiana, Madeira, Maldives, Manchuria, Marianas, Marquesas, Marshall Is., Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Mississippi, Missouri, Montana, Morocco, Nauru, Netherlands Antilles, Nevada, New Caledonia, New Hampshire, New Mexico, New York, Nicaragua, Niue, Norfolk Is., North Carolina, North Caucasus, Norway, Ohio, Oklahoma, Ontario, Panamá, Paraguay, Pennsylvania, Peru, Pitcairn Is., Portugal, Puerto Rico, Rhode I., Réunion, Samoa, Seychelles, Society Is., Solomon Is., South Carolina, South European Russi, Spain, Sweden, Tadzhikistan, Texas, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey, Turkmenistan, Utah, Uzbekistan, Venezuela, Venezuelan Antilles, Victoria, Virginia, Wake I., West Virginia, Windward Is., Xinjiang

Cucumis L. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Melville, R., United Kingdom 8094.000
Luke, Q. [TPR589], Kenya K000809252
Gillett, J.B. [22986], Somalia K000731946
Godding, H.C. [69], Somalia K000731943
Thulin, M. [10624], Somalia K000809229

First published in Sp. Pl.: 1011 (1753)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

Literature

Flora of West Tropical Africa

  • —F.T.A. 2: 542.

Flora Zambesiaca

  • Deakin, Bohn & Whitaker in Econ. Bot. 25, 2: 195–211 (1971).
  • Gen. Pl. ed. 5: 442 (1754).
  • Sp. Pl. 2: 1011 (1753)

Flora of Somalia

  • Flora Somalia, Vol 1, (1993) Author: by C. Jeffrey & M. Thulin [updated by M. Thulin 2008]
  • Ghebretinsae, Thulin & Barber in Amer. J. Bot. 94: 1256–1266 (2007).
  • Kirkbride, Biosystematic monograph of the genus Cucumis (Cucurbitaceae) (1993)

Flora of Tropical East Africa

  • L., Gen. Pl., ed. 5: 442 (1754)
  • Sp. Pl.: 1011 (1753)

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0