Ammi L.
  • Sp. Pl. 1: 243. 1753. (1 May 1753)


Cite taxon page as 'WFO (2020): Ammi L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000001610. Accessed on: 26 Oct 2020'

General Information

6. Ammi L.

Por L. Constance y J. Affolter.

Hierbas anuales o bianuales (perennes?), erectas, caulescentes, ramificadas, esencialmente glabras, con raíces axonomorfas delgadas. Hojas pecioladas, ternado-pinnadas o pinnado-disecadas (o algunas hojas basales rara vez simples), membranáceas, los folíolos o divisiones últimas ovado-lanceoladas a filiformes; pecíolos envainadores. Inflorescencia de umbelas compuestas laxas; pedúnculos terminales y axilares; involucro de brácteas numerosas, generalmente divididas; radios numerosos, patente-ascendentes, algunas veces hinchándose y endureciéndose al madurar; involucelo de numerosas bractéolas más cortas que los frutos; pedicelos patentes a ascendentes. Cáliz lobado, los dientes diminutos; pétalos ovados a obovados, blancos, el ápice ancho, inflexo, 2-lobado; estilos delgados, más largos que el estilopodio bajo-cónico. Frutos oblongos a ovoides, comprimidos lateralmente, glabros; mericarpos subteretes; carpóforo entero o 2-partido; costillas 5, agudas pero no aladas; vitas solitarias en los intervalos, 2 en las comisuras; cara de la semilla plana. Aprox. 4 spp. Mediterráneo. Dos de las especies son comúnmente adventicias en el hemisferio occidental.

La única especie en Mesoamérica es Ammi majus .

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

    Herbs, annual or biennial, glabrous. Stem erect, terete, branching. Leaves petiolate, sheath narrow; blade ternate-pinnate or pinnatisect, membranous; ultimate segments filiform to lanceolate. Umbels compound, terminal and lateral; bracts numerous, entire or pinnately divided, reflexed in fruit; bracteoles many, entire. Calyx teeth obsolete or inconspicuous, minute. Petals white or yellowish, obcordate or deeply 2-lobed, lobes unequal, base tapering, clawed, apex inflexed, outer petals in outer flowers radiant. Stylopodium low-conic, base slightly undulate; styles slender, more than twice as long as stylopodium, reflexed. Fruit ovoid or ovoid-oblong, slightly compressed laterally, commissure constricted, mericarps pentagonal in cross section, glabrous; ribs 5, acute; vittae 1 in each furrow, 2 on commissure. Seed face plane. Carpophore entire or 2-cleft to base.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 5
    • ]. 

    Morphology

    Fruit narrowly elliptical to oblong-elliptical, only slightly laterally compressed, the mericarps slightly narrowed to the commissure, glabrous; primary ribs filiform, prominent, all similar; valleculae 1-vittate, commissure with 2 well-separated vittae; stylopodia conical; carpophore bifid

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

    Petals white or sometimes creamy, glabrous, incised above

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

    Calyx-teeth obsolete

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

    Leaves variously pinnatisect

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

    Annual or biennial herbs with a taproot

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

    Flowers hermaphrodite

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

    Umbels compound, pedunculate, numerous; involucre and involucel present, the bracts pinnate, the bracteoles narrow and undivided

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

    Endosperm bluntly pentagonal in section, commissural face slightly concave or almost flat.

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

     Information From

    Apiaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • 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 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
    • 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).