Melothria L.
  • Sp. Pl. 1: 35. 1753. (1 May 1753)
  • Melonette [Greek melothron, ancient name for some fruiting vine, probably Bryonia]


Cite taxon page as 'WFO (2020): Melothria L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000023698. Accessed on: 30 Nov 2020'

General Information

Plants herbs, perennial [annual], monoecious, climbing, trailing, or creeping; stems , glabrous or hispid [pilose]; roots tuberous; tendrils unbranched. Leaves: blade ovate-reniform, cordate-pentangular, suborbiculate to depressed-ovate, ovate, ovate-triangular, or lanceolate-hastate, subentire or shallowly to deeply palmately 3–5-lobed or -angled, lobes deltate to shallowly triangular, margins denticulate [dentate, shallowly sinuate, or subentire], surfaces eglandular. Inflorescences: staminate flowers 2–6 in axillary racemes or corymboid to subumbelloid clusters; pistillate flowers solitary, usually in same axils as staminate; bracts absent. Flowers: hypanthium campanulate; sepals 5, triangular to ovate, ; petals 5, connate 1/2 length, yellow or orange-yellow [white or pale orange], oblong to ovate-oblong or obovate-oblong, 1.5–2[–3.5] mm, glabrous or villosulous, corolla rotate to campanulate-rotate. Staminate flowers: stamens 3; filaments inserted near hypanthium base or near mid tube, distinct; thecae distinct, oblong, connective broadened; pistillodes present, . Pistillate flowers: ovary 3-locular, globose to ovoid or fusiform; ovules ca. 15–20 per locule; style 1, short-columnar; stigmas 3, 2-lobed; staminodes 3 or absent. Fruits pepos, greenish, often striped or mottled, apparently usually maturing yellow to orange or purplish black, usually ellipsoid to ovoid, sometimes subglobose to globose, <(0.8–)1–2.5 cm>, smooth, , indehiscent. Seeds 30–60, ovoid to ellipsoid, compressed, not arillate, margins not differentiated, surface smooth, . x = 12.

  • Provided by: [G].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

    Herbs, climbing or trailing, annual. Leaves petiolate, usually palmately lobed. Tendrils simple. Plants monoecious. Male flowers shortly racemose or subcorymbose; calyx campanulate to cylindrical, 5-lobed; corolla yellow, rotate; segments 5; stamens 3, inserted above middle of tube; anthers two 2-celled, one 1-celled; anther cells straight or slightly curved; connective not produced; rudimentary ovary subglobose. Female flowers solitary, usually coaxillary with male flowers; calyx and corolla as in male flowers; ovary globose to fusiform, 3-locular; ovules numerous, horizontal; style surrounded at base by an annular disk; stigmas 3. Fruit globose to oblong. Seeds numerous, compressed, smooth.

  • Provided by: [D].Flora Of CHina @ efloras.org
    • Source: [
    • 3
    • ]. 

    17. Melothria L.

    Por R. Lira S.

    Plantas herbáceas, rastreras a trepadoras no muy vigorosas, anuales o perennes de vida corta. Tallos delgados, generalmente muy ramificados, angulosos, glabros a pelosos o vellosos. Hojas pecioladas; láminas de contorno y grado de división muy variable, ovado-cordatas, triangulares o sagitadas, enteras a 3-7-lobuladas. Zarcillos simples. Flores 5-meras. Flores estaminadas en racimos axilares, en general largamente pedunculadas, las flores sobre pedicelos delgados a filiformes; hipanto campanulado a urceolado; sépalos generalmente diminutos, los pétalos amarillos o blancos; estambres 3, libres, dorsifijos cerca del limbo del hipanto, subsésiles o sésiles; anteras oblongas a más o menos cuadradas, 2 bitecas y 1 monoteca, rectas o ligeramente encorvadas, con los márgenes ciliados. Flores pistiladas generalmente en la misma axila que las estaminadas, generalmente solitarias, rara vez en pares, largamente pediceladas; ovario ovoide, elipsoide o globoso, 3-carpelar, los óvulos numerosos en posición horizontal; perianto como en las estaminadas pero generalmente el hipanto más reducido, el estilo corto; estigmas 3. Fruto en baya carnoso-jugosa, ovoide, cilíndrico-ovoide, elipsoide o globosa, verde con manchas o franjas más claras u oscuras cuando joven, amarilla, roja o negro o púrpura oscuro al madurar, pericarpo delgado y suave a más o menos engrosado y rígido aunque quebradizo; mesocarpo jugoso de color verde claro o anaranjado; pedúnculo delgado, algunas veces ensanchándose en la unión con el fruto; semillas numerosas, amarillas, pajizas o blanquecinas. Aprox. 12 spp. Neotrópicos.

    El género requiere urgentemente de una revisión moderna.

    Bibliografía: Cogniaux, A. Monogr. Phan. 3: 572-626 (1881); Pflanzenr. IV. 275, I(Heft 66): 75-129 (1916). Dieterle, J.V.A. Fieldiana, Bot. 24(11): 355-358 (1976). Wunderlin, R.P. Ann. Missouri Bot. Gard. 65: 332-337 (1978).

  • Provided by: [F].Flora Mesoamericana
    • Source: [
    • 4
    • ]. 

    MELOTHRIA L.

    Plantas anuales, rastreras o trepadoras, delgadas; monoicas. Hojas simples; zarcillos no ramificados. Flores pequeñas; flores estaminadas dispuestas en fascículos axilares, pedunculados, hipanto campanulado, sépalos 5, distantes, dentiformes, corola rotácea, 5-partida, amarillenta o blanca, estambres 3, 2 de ellos con 2 tecas y el otro con 1, cortamente insertos en el hipanto, libres, tecas rectas o apicalmente recurvadas, ciliadas, disco prominente, obcónico o subgloboso; flores pistiladas solitarias, usualmente coaxilares con las estaminadas, disco prominente, anular alrededor de la base del estilo, ovario globoso a fusiforme, liso, placentas 3, óvulos numerosos, horizontales, estigmas 3. Fruto carnoso, liso, indehiscente, verde tornándose amarillo-anaranjado o morado obscuro a negro cuando maduro; semillas varias a numerosas, ovadas en su forma general, comprimidas.

    Género con ca 12 especies distribuidas en América tropical; 4 especies en Centroamérica y en Nicaragua.

  • Provided by: [H].Flora de Nicaragua
    • Source: [
    • 5
    • ]. 

    Monoecious, tendriled vines; stems 5- to 10-sulcate. Leaves petiolate, simple, entire or lobate; tendrils simple. Staminate flowers axillary, racemose; calyx campanulate to subcylindric, 5-lobate; corolla yellow or white, deeply 5-lobate; stamens 3, free, inserted on the hypanthium wall, the anthers oblong or suborbic- ular, 1 unilocular, 2 bilocular; pistillode globose or conic. Pistillate flowers soli- tary; calyx and corolla as in the staminate flowers; ovary ovoid to fusiform, 3- carpellate, the ovules numerous, horizontal, the styles 3, connate, short, the base surrounded by a ringlike disc, the stigmas 3, linear; staminodia 3. Fruit ovoid to fusiform; seeds ovoid or ellipsoidal, compressed, sericeous.

  • Provided by: [E].Flora de Panama
    • Source: [
    • 6
    • ]. 

    Bejucos herbáceos, monoicos; tallos 5–10-surcados, los zarcillos simples. Hojas simples, no lobuladas o (a veces) palmadamente lobuladas, sin o (rara vez) con glándulas laminares. Infls. masculinas racemosas, las femeninas de 1 fl. solitaria. Fls. con el hipanto campanulado o subcilíndrico; sépalos 5; pétalos 5, blancos o amarillos (en CR), basalmente connatos; estambres (fls. estaminadas) 3, los filamentos separados; anteras separadas o (rara vez) ligeramente conniventes, oblongas o suborbiculares, rectas o (raramente) curvadas; estaminodios (fls. pistiladas) 3 (raramente anteríferos) o nulos; estilo 1, corto, con un nectario anular en la base; estigmas 3. Frs. verdes o negruzcos a amarillentos o anaranjados (y a veces rayados), oblongos o elipsoides a subglobosos (en CR), carnosos, lisos, indehiscentes, con 3 placentas; semillas numerosas, horizontales, ovoides o elipsoides (en CR), comprimidas, seríceas.

  • Provided by: [I].Manual de Plantas de Costa Rica
    • Source: [
    • 7
    • ]. 

    "Monoecious; cal campanulate, 5-dentate; cor small, campanulate, 5-lobed; stamens apparently 3, the short filaments distinct, the straight, oblong anthers distinct or barely connivent; hypanthium greatly constricted above the 3-locular ovary; ovules numerous; style short, with 3 slender stigmas; fr pulpy, with numerous horizontal seeds; climbing herbs, with mostly undivided tendrils, the very small fls solitary or in small clusters. 10, New World."

  • Provided by: [C].New York Botanical Garden
    • Source: [
    • 8
    • ]. 

    Habit

    vines

  • Provided by: [E].Flora de Panama
    • Source: [
    • 6
    • ]. 

    Distribution

    Melothria is a genus of about 10 species confined primarily to the New World tropics.

  • Provided by: [E].Flora de Panama
    • Source: [
    • 6
    • ]. 

    Other Local Names

    NameLanguageCountry
    Melonette [Greek melothron, ancient name for some fruiting vine, probably Bryonia]

     Information From

    Cucurbitaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • B Missouri Botanical Garden
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Missouri Botanical Garden
    Flora de Panama
    http://www.tropicos.org/Project/PAC
    Robert E. Woodson, Jr. and Robert W. Schery Annals of the Missouri Botanical Garden Vol. 67, No. 4 (1980), pp. ii-xxxiii
    • E Missouri Botanical Garden
    Flora Mesoamericana
    http://www.mobot.org/MOBOT/fm/
    Gerrit Davidse, Mario Sousa Sánchez, A. O. Chater, Universidad Nacional Autónoma de México. Instituto de Biología, Missouri Botanical Garden, Natural History Museum (London, England) UNAM, 1994
    • F Missouri Botanical Garden
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • G Flora of North America Association
    Flora de Nicaragua
    http://www.tropicos.org/projectwebportal.aspx?projectid=7&pagename=Home&langid=66
    WD Stevens, CU Ulloa, A Pool and OM Montiel. Missouri Botanical Garden Press, 2001
    • H Missouri Botanical Garden
    Manual de Plantas de Costa Rica
    http://www.tropicos.org/Project/Costa%20Rica
    Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
    • I Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • J CC0 1.0 Universal (CC0 1.0).