Sesbania sesban (L.) Merr.

Cite taxon page as 'WFO (2020): Sesbania sesban (L.) Merr. Published on the Internet; Accessed on: 21 Sep 2020'

General Information

Herbs, perennial, suffrutescent, 2-4 m tall. Branches pu­bescent, glabrescent, internodes often 0.5-2.5 cm, nodes con­spicuously gibbous. Stipules triangular-lanceolate, 3-4 mm, caducous, pubescent. Leaves 20-40-foliolate; petiole and rachis appressed pubescent, more so at petiole base; rachis 4-10 cm; petiolules appressed pubescent; stipels acerose; leaflet blades oblong to linear, 1.3-2.5 cm × 3-4(-6) mm, both surfaces with purplish black glands, abaxially sparsely appressed pubescent when young but glabrescent, adaxially glabrous or glabrescent, midvein evident on both surfaces, base obliquely rounded, apex rounded to retuse and mucronate. Racemes 4-10-flowered; pe­duncle 8-10 cm, slender, pubescent, glabrescent; bracts linear-lanceolate, caducous, abaxially sparsely appressed pubescent. Pedicel ca. 8 mm, slender, pubescent when young; bracteoles smaller than bracts, caducous. Calyx campanulate; teeth shortly triangular, inside appressed pubescent to glabrescent. Corolla yellow or calyx and standard purplish black and wings and keel partly purplish black or red; standard transversely elliptic, 1.1-1.3 cm, wider than long, with a 4-5 mm claw, with a S-shaped callus ca. 2 mm, basally decurrent to lamina, widened in mid­dle, and distinct and acuminate to obtuse at apex, base subcor­date, apex emarginate; wings oblong, 1-1.2 cm, with a curved ca. 4 mm claw, base inconspicuously auriculate, apex rounded; keel nearly semicircular, 6-8 × 5-7 mm, lamina base narrower than apex and with a triangular short auricle, claw ± as long as calyx. Stamen tube 8-10 mm; anthers ellipsoid. Ovary gla­brous; style ca. 5 mm, glabrous; stigma globose. Legume con­torted when young but straight or slightly curved at maturity, subterete, 15-23(-30) cm × 3-4 mm, ca. 5 mm between trans­verse septa, base often with a marcescent calyx, apex beaked. Seeds 20-40 per legume, subterete, 3-4 × ca. 2 mm, slightly compressed; hilum rounded and concave. 2n = 12, 24.

  • Provided by: [C].Flora Of CHina @
    • Source: [
    • 2
    • ]. 

    Distribution Map

    • Introduced distribution
    Introduced into
    • Southern America Brazil Bahia
    • Ceará
    • Maranh
    • Paraába
    • Pernambuco
    • Piauá
    • Sergipe
    • Paraní
    • Espirito Santo
    • Minas Gerais
    • Rio de Janeiro
    • São Paulo
    • Brazilia Distrito Federal
    • Mato Grosso do Sul

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • A Group Brazil Flora, REFLORA Program
    World Flora Online Data. 2017.
    • B CC0 1.0 Universal (CC0 1.0).
    Flora Of CHina @
    'Flora of China @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • C Missouri Botanical Garden
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).
    Global Tree Search
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • E Botanic Gardens Conservation International