Trifolium 
  • Trébol


Cite taxon page as 'WFO (2020): Trifolium . Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000039133. Accessed on: 03 Jun 2020'

General Information

Annual or perennial herbs, glabrous to pubescent. Stems erect to ascending or prostrate. Leaves pinnately 3-foliolate or palmately 3(or 5-9)-foliolate; stipules entire or toothed, partly adnate to petiole; leaflets toothed or entire. Inflorescences axillary or terminal. Flowers sessile or shortly pedicellate, in heads, short racemes, umbels, or rarely solitary; bracts small or absent, often connate into a dentate and membranous involucre. Calyx 5-10[-30]-veined, regular or bilabiate, after flowering sometimes strongly inflated; teeth equal or unequal. Corolla persistent, white, pink, purple, or yellow, sometimes inflated in fruit. Filaments some or all dilated at apex; anthers uniform. Ovary with 1-12 ovules. Legume indehiscent, enclosed by marcescent calyx and petals. Seeds 1 or 2(-9), ovoid to spherical or reniform.

  • Provided by: [K].Flora Of CHina @ efloras.org
    • Source: [
    • 9
    • ]. 

    TRIFOLIUM L.

    Por James L. Zarucchi

    Hierbas anuales o perennes con tallos erectos, ascendentes o procumbentes. Folíolos 3, generalmente denticulados, estipelas ausentes; estípulas adnadas al pecíolo. Inflorescencias capitadas, espigadas o umbeladas, axilares o pseudoterminales, comúnmente con numerosas flores, pedunculadas, brácteas florales generalmente presentes y libres o connadas en un involucro, bractéolas ausentes, flores pequeñas, pediceladas o sésiles; cáliz comúnmente tubular o campanulado con 5 dientes iguales o subiguales, a veces hinchados en fruto; corola persistente, marcescente o caduca, a veces hinchada en fruto, variadamente coloreada, púrpura, rosada, blanca o amarilla, estandarte libre o connado con otros pétalos basalmente, alas y quilla a veces connados y generalmente adnados a los estambres; estambres 10, diadelfos, el vexilar libre, con 5 o todos los filamentos dilatados apicalmente, anteras uniformes; ovario 1–12-ovulado, sésil o estipitado, estilo corto y curvado, glabro, estigma capitado, terminal, diminuto. Frutos oblongos, mayormente subteretes, indehiscentes o abriéndose a lo largo de la sutura adaxial, valvas comúnmente membranáceas; semillas 1 ó 2 (3), orbiculares o comprimidas, estrofioladas.

    Género con ca 240 especies de las regiones templadas o subtropicales con algunas especies en las montañas tropicales. Muchas especies son importantes para forraje o para cubrir los suelos; 3 especies introducidas se esperan encontrar en Nicaragua. "Trébol".

    M. Zohary y D. Heller. The Genus Trifolium. 1984.

  • Provided by: [H].Flora de Nicaragua
    • Source: [
    • 10
    • ]. 

    heads, umbels or as short racemes on ascending peduncles. Flowers small; calyx tubular, glabrous or pubescent, the 5 teeth usually bristle tipped, equal or nearly so; keel petals shorter than the wing petals, some or all of the petals connate and adnate to the staminal sheath; stamens diadelphous, some or all of the filaments apically expanded, the anthers alike; ovary small, few-ovulate, the styles short, curved, glabrous, the stigma minute, capitate. Fruits small, mostly enclosed in the calyx, mostly indehiscent, thin; seeds few (or 1).

  • Provided by: [I].Flora de Panama
    • Source: [
    • 11
    • ]. 

    Annual or perennial herbs. Leaves mostly trifoliolate, the leaflets minutely toothed at the apex. Inflorescences axillary or pseudo terminal, disposed as

  • Provided by: [I].Flora de Panama
    • Source: [
    • 11
    • ]. 

    Hierbas procumbentes a ascendentes o erectas, las ramitas glabras o variadamente pubescentes, sin espinas; estípulas parcialmente connatas y adnatas al pecíolo, enteras (en CR). Hojas palmada o (menos frecuente) imparipinnadamente compuestas; pecíolo sin nectarios glandulares; raquis (cuando desarrollado) sin nectarios glandulares; folíolos 3 (en CR), generalmente denticulados o aserrados (por los nervios secundarios  proyectados más allá del margen). Infls. terminales o axilares, capituladas a espigadas o umbeladas, con brácteas (a veces diminutas o ausentes) separadas o connatas en un involucro, sin bractéolas. Fls. reflexas, blancas a amarillas o rosadas a púrpura, zigomorfas, sésiles o (más frecuente) pediceladas; sépalos connatos en un cáliz tubular a campanulado (en CR), ± igualmente 5-dentado, los dientes a veces setáceos; pétalos 5, el estandarte separado o connato con los otros pétalos, las alas y la quilla a veces connatos y generalmente adnatos a los estambres; estambres 10, los filamentos connatos (en 2 grupos); anteras sin glándulas. Frs. pálidos, ovoides a oblongos o lineares, inflados, membranáceos o (raramente) coriáceos, usualmente indehiscentes, general- mente envueltos por el cáliz y (a veces) los pétalos persistentes; semillas 1–5 (en CR), pardo claro a pardo oscuro (en CR), ovoides a elipsoides u oblongoides a obdeltoides o subglobosas, sin arilo.

  • Provided by: [J].Manual de Plantas de Costa Rica
  • "Cal-tube campanulate to tubular, sometimes oblique, the lobes setaceous to triangular, often unequal; pet all separate (spp. 15–17) or ± united into a tube, usually withering and persistent after anthesis; standard ovate to oblong or obovate, often folded about the wings or with only its summit outwardly curved; stamens 10, diadelphous, filaments dilated below the anthers; fr short, straight, often included in the persistent cal, dehiscent or indehiscent, 1–6-seeded; herbs with 3-foliolate, serrulate lvs and small fls in heads, spikes, or head-like racemes or umbels. In the absence of fr, our spp. may be distinguished from Medicago by their strongly bilabiate cal. 250, widespread."

  • Provided by: [G].New York Botanical Garden
    • Source: [
    • 14
    • ]. 

    Morphology

    Annual or perennial herbs

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Leaves palmately (or, less often and not in the native species, pinnately) 3-foliolate (rarely, in NE. Asia, 5-foliolate); stipules well developed, green or straw-coloured, fused with the petiole in their lower part, their bases forming a ring round the stem; lateral nerves of leaflets well marked and ± parallel, the main ones (those which start at the midrib and run strongly through to the margin without interruption) and often some of their branches usually ending in small teeth (leaflets entire in No. 2)

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Inflorescences axillary or, less often, ± terminal, usually pedunculate, essentially racemose but condensed, with pedicels at most 6 mm. long, till they appear to be short spikes, compact umbels or heads, rarely flowers solitary; bracts present (often very small) or absent; bracteoles absent

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Calyx-tube ± campanulate, never, in Flora area, with less than 11 nerves, the upper (vexillary) commissural nerve being divided; teeth 5, in the Flora area subequal and always very acute

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Pod surrounded, at least at the base, by the persistent calyx and corolla, in the native species having papery walls and greatly thickened sutures and dehiscing by splitting at the suture and often also by the irregular rupture of the walls

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Seeds in native species from 1·2 to 2·2 mm. long, with an almost circular hilum 0·1–0·2 mm. across; aril not conspicuous.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Upper filament free; filaments slightly upturned towards their tips, some or all of which are dilated; anthers uniform, in the native species not above 0·7 mm. long

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Ovary sessile or shortly stipitate, with 1–12 (in the Flora area 2–9) ovules; style slightly upturned towards the tip; stigma small, punctate or capitate

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Corolla glabrous, persistent, in the Flora area not above 14 mm. long, purple, pink or white, or, not in the native species, yellow; claws of the 4 lower petals ± as long as their blades, attached to the 9 lower united filaments and often also to the base of the standard

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 7
    • ]. 

    Leaves digitately or pinnately (T. campestre) 3-foliolate (rarely 5-foliolate outside the Flora Zambesiaca area); leaflets mostly denticulate; stipules well developed, basally adnate to the petiole often also sheathing the stem, herbaceous or membranaceous.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Racemes axillary, less often ± terminal, usually contracted and capitate, or spicate or umbellate, pedunculate or sessile; bracts present or absent; bracteoles absent.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Annual or perennial herbs.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Calyx tubular or campanulate, (5)11- or more-nerved, sometimes bilabiate, accrescent, inflated, the mouth open or closed by a callosity or by a ring of hairs.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Flowers pedicellate or sessile.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Corolla purple, pink, white or yellow, glabrous, usually persistent; standard free or connate at the base with the wings and keel; wings often longer than keel; keel obtuse.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Stamens with free portions of filaments usually dilated at the apex; vexillary filament free; anthers uniform.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Ovary small, sessile or shortly stipitate, 1- or few-ovulate; style straight, slightly incurved towards the tip; stigma small, punctate or capitate.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Pod small, ± included in the persistent calyx and corolla, usually membranous, indehiscent or rarely dehiscent.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Seeds 1–2, globular to ovoid, reniform or lenticular.

  • Provided by: [F].Plants Of the World Online Portal - FZ
    • Source: [
    • 8
    • ]. 

    Habit

    herbs

  • Provided by: [I].Flora de Panama
    • Source: [
    • 11
    • ]. 

    Distribution

    temperate and subtropical regions.

  • Provided by: [I].Flora de Panama
    • Source: [
    • 11
    • ]. 

    Included Species

    Other Local Names

    NameLanguageCountry
    Trébol
    Clover Trebol

     Information From

    Fabaceae
    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
    • C Missouri Botanical Garden
    • D Missouri Botanical Garden
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • E
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • F
    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.
    • G Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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
    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
    • I 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
    • J Missouri Botanical Garden
    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.
    • K Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • L CC0 1.0 Universal (CC0 1.0).