Meineckia Baill.
  • Étude Euphorb. 586. 1858.


Cite taxon page as 'WFO (2021): Meineckia Baill. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000023534. Accessed on: 17 Oct 2021'

General Information

MEINECKIA Baill.

Por Grady L. Webster

Meineckia neogranatensis (Müll. Arg.) G.L. Webster, Acta Bot. Neerl. 14: 347. 1965; Phyllanthus neogranatensis Müll. Arg.

Arbustos, hasta 1 m de alto, glabros, sin látex; plantas monoicas. Hojas alternas, simples, ovadas a elípticas, 1–6 cm de largo y 0.5–3.5 cm de ancho, redondeadas a agudas en el ápice, obtusas a subcordadas en la base, glabras, pinnatinervias; pecíolos 3–13 mm de largo, estípulas lanceoladas, 1–2.5 mm de largo. Címulas axilares, cada una con 1 flor pistilada y varias estaminadas, flores apétalas; flores estaminadas con pedicelos 2–5 mm de largo, sépalos 5, imbricados, suborbiculares, 0.8–1.3 mm de largo y de ancho, disco delgado, anular, 1–1.5 mm de diámetro, estambres 5, filamentos unidos en una columna, anteras ca 0.25 mm de ancho, pistilodio 2–3-lobado, 0.1–0.2 mm de largo; flores pistiladas con pedicelos 12–36 mm de largo, sépalos 5, imbricados, ovados o elípticos, 0.8–1.5 mm de largo, disco anular, entero, ovario glabro, 3-locular, 2 óvulos por lóculo, estilos libres, 2-partidos, 0.2–0.4 mm de largo, estigmas capitados. Fruto capsular, 2.8–3 mm de largo; semillas cilíndricas, 1 por lóculo, 1.8–2.1 mm de largo, encorvadas, foveoladas, ecarunculadas.

Rara en bosque secos, en Estelí; 900–1000 m; fl y fr ago, sep; Moreno 21873, 24387; Nicaragua, Colombia, Brasil. Las colecciones nicaragüenses parecen corresponder a M. neogranatensis ssp. neogranatensis, conocida de Colombia; otras 2 subespecies se encuentran en Brasil. Un género tropical con 20 especies principalmente paleotropicales.

G.L. Webster. A revision of the genus Meineckia (Euphorbiaceae). Acta Bot. Neerl. 14: 323–365. 1965.

  • Provided by: [B].Flora de Nicaragua
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    Morphology

    Male flowers: pedicels long, very slender; sepals 5, imbricate; petals 0; disc annular or patelliform, slightly lobed, the lobes opposite to the sepals, adnate to the calyx, at least partially so; stamens 5, with the filaments united 1/4 to almost their entire length into a slender or stout column, anthers extrorse, quadrilobate, laterally dehiscent; pistillode cylindric, entire or trifid, at the apex of the staminal column

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    Flowers axillary, fasciculate, the fascicles unisexual or bisexual; if unisexual, male flowers several per fascicle, female flowers usually solitary

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    Female flowers: pedicels very long, slender, distinctly articulate near the base; sepals and disc as in the ♂ flowers; ovary smooth, glabrous, 3-locular, with 2 ovules per locule; styles slightly connate at the base, bipartite or deeply bifid, stigmas usually capitate

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Monoecious or dioecious shrubs or subherbaceous undershrubs

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    Seeds often 1 per locule due to abortion, reniform, pitted, ecarunculate; endosperm copious; cotyledons broad, flat; radicle over 1/2 the length of the cotyledons, bent.

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Leaves alternate, distichous, petiolate, often only shortly so, stipulate, simple, entire, penninerved

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Fruits trilobate, dehiscing septicidally into 3 bivalved cocci leaving a persistent columella; endocarp thinly woody

  • Provided by: [D].Plants Of the World Online Portal - FTEA
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    Indumentum (when present) simple, hairs multicellular

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      Bibliography

     Information From

    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • A 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
    • B Missouri Botanical Garden
    Phyllanthaceae
    • C 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
    • D
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).