Pisum 


Cite taxon page as 'WFO (2021): Pisum . Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000029896. Accessed on: 24 Oct 2021'

General Information

Herbs annual or perennial. Stem often climbing by means of tendrils, terete, glabrous. Leaves paripinnate with rachis termi­nating in a tendril; stipules leaflike, cordate, larger than leaflets (to 10 cm); leaflets 1-3-paired, ovate to elliptic, margin entire or den­tate. Inflorescence a 1- to many flowered raceme. Calyx campanulate; teeth ± leaflike, at least 2 teeth less than 2 × as long as tube. Corolla white or otherwise colored; standard obovate. Stamens diadelphous; staminal tube not oblique at apex; filaments distally slightly dilated. Ovary subsessile; ovules many; style curved inward, distally dilated and margin recurved forming a laterally com­pressed body, longitudinally grooved, hairy on upper side. Legume long elliptic, inflated, apex acute. Seeds many, spheroid.

  • Provided by: [C].Flora Of CHina @ efloras.org
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    PISUM L.

    Por Amy Pool

    Pisum sativum L., Sp. Pl. 727. 1753.

    Herbáceas anuales, trepadoras, muy variables en forma y hábito, glabras. Hojas imparipinnadas; los 3–5 (7) folíolos distales generalmente reducidos a zarcillos trepadores, folíolos normales 2–6, opuestos, ovados, elípticos u obovados, generalmente 1.5–5.5 cm de largo y 1–2 cm de ancho, estipelas ausentes; estípulas foliáceas, ovadas, generalmente más largas que los folíolos, basalmente semicordadas, amplexicaules y dentadas. Inflorescencia flores solitarias o racimos con 2 ó 3 flores en el ápice del pedúnculo; cáliz campanulado, 5-lobado, los 2 lobos superiores más anchos; corola 1.5–2 cm de largo, blanca o rosada, estandarte obovado o suborbicular, las alas falcado-oblongas, la quilla encorvada, apicalmente obtusa; estambres 10, diadelfos, el vexilar libre; estilo barbado en la superficie interna. Legumbres oblongas o cilíndricas, más o menos comprimidas o teretes, 2.5–12.5 cm de largo y 1.5–2.5 cm de ancho, rectas o curvadas, carnosas y ceráceas al madurar, dehiscentes; semillas 3–12, forma y tamaño variable.

    Cultivada; 100 m; fl y fr ago; Stevens 22989; probablemente nativa del suroeste de Asia, ampliamente cultivada en todo el mundo, particularmente en áreas templadas, principalmente por sus semillas comestibles. Género con 5 especies nativas de la región del Mediterráneo y oeste de Asia. "Petit pois".

    D.E. Kay. Pea. In: Food Legumes. 293–321. 1979; R. Kh. Makasheva. The Pea. 1984.

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

    Morphology

    Pod oblong, little compressed, dehiscent.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
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    Seeds globular, numerous, with a slender aril.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
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    Vexillary stamen free, at least in part; filament sheath truncate; filaments somewhat dilated towards the apex; anthers uniform.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
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    Leaves paripinnate, the rhachis terminating in a prehensile tendril or a bristle; leaflets in 1–3 pairs; stipules small to very large, foliaceous, semicordate, usually equalling or exceeding the leaflets, toothed at least towards the base.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

    Style dorsally compressed, folded longitudinally with margins meeting abaxially, pubescent on the upper side towards the apex; stigma capitate.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

    Annual or perennial herbs, spreading or climbing by means of tendrils.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

    Calyx 5-partite; tube asymmetrical, slightly gibbous at the base; teeth subequal or the upper 2 shorter and broader.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

    Flowers solitary or in few-flowered axillary racemes; bracts small, deciduous; bracteoles absent.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

    Corolla purple, pink or white, medium-sized to large; standard broadly ovate to suborbicular with a short broad claw; wings shorter than the standard, adhering to the keel, with the lamina asymmetrical, ascending, and the claw curved; keel shorter than the wings, oblong-falcate, often with a wing on the outer upper surface.

  • Provided by: [B].Plants Of the World Online Portal - FZ
    • Source: [
    • 3
    • ]. 

     Information From

    Fabaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B
    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.
    • C Missouri Botanical Garden
    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
    • D Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).