Paepalanthus lamarckii Kunth
  • Enum. Pl.


Cite taxon page as 'WFO (2020): Paepalanthus lamarckii Kunth. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000485733. Accessed on: 02 Jun 2020'

General Information

6. Paepalanthus lamarckii Kunth, Enum. Pl. 3: 506 (1841). Tipo: Guayanas, Anon. (P-JJR).

Por M.J. Huft.

Eriocaulon fasciculatum Lam., non Rottb., Paepalanthus pilosus (Kunth) Kunth var. microcephalus Mold.

Tallos 2-8 cm. Hojas 1-2.5 cm x 0.5-2(-2.5) mm, dispuestas a lo largo del tallo, patentes, lineares a lanceolado-lineares, glabras, el ápice agudo. Pedúnculos pocos a numerosos, 2-9 cm, piloso patentes; vaina 7-15 mm, piloso patente, el ápice agudo a brevemente acuminado. Cabezuelas 2-3 mm de diámetro, globosas, gris oscuro, vellosas; brácteas involucrales obovado-oblongas, pardo oscuro, más claras a lo largo de la costilla media, glabras o los márgenes ciliados cerca del ápice, el ápice obtuso; bractéolas receptaculares espatuladas, pardas con una costilla media blanca, longipilosas, el ápice agudo. Flósculos estaminados con los sépalos espatulado-oblongos, pajizos hacia la base, pardo oscuro cerca del ápice excepto por una banda central blanca, los márgenes ciliados cerca del ápice; tubo de la corola pajizo, glabro; estambres oscuros. Flósculos pistilados con los sépalos angostamente obovados, pajizos hacia la base, pardo oscuro cerca del ápice excepto por una banda central blanca, pilosos en el ápice; pétalos lineares, blancos, escasamente ciliados en el ápice. Suelos húmedos. Ch (Breedlove y Davidse 54338, CAS); B (Schipp S-130, F); H (Saunders 968, F); P (Pittier 4932, US). 0-100 m. (Chiapas a Brasil, Antillas.)

  • Provided by: [F].Flora Mesoamericana
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    Stems simple, 2-8 cm. long; leaves dull- or grayish-green, the older ones olivaceous, plane, linear-lanceolate or broadly linear, 1.3-3 cm. long, 0.5-2.3 mm. wide at the middle, ampliate-clasping at the base, narrowed to a rather acute or obtuse apex, many-striate, sparsely puberulent or pilose, soon glabrescent; pedun- cles fasciculate at the apex of the stem, 2-20 per plant, usually numerous, 1.5-7 cm. long; irregularly and more or less densely spreading-pilose; sheaths rather loose, 9-13 mm. long, long-pilose, the blade rather rigid, often lobed or bifid, attenuate and sharply acute at the apex, often somewhat spreading, long-ciliate, at first puberulent, eventually calvescent; heads dark brown, globose, 2-3 mm. in diam- eter, villous; involucral bractlets gray-brown, with- a lighter midrib, obovate, subacute and densely pilose at the apex; receptacle pilose; receptacular bractlets brown, with a white midrib, spatulate, acute at the apex, densely long-pilose above the middle on the back; staminate florets: sepals 3, stramineous at the base, dark brown at the apex (except for a broad white central band), spatulate, obtuse and ciliate at the apex; petal-tube stramineous; stamens 3; pistillate florets: sepals similar in color and texture to those of the staminate florets, obovate, pilose along the margins and at the apex, spreading; petals 3, tiny, white or hyaline, linear, blunt and sparsely ciliate at the apex; ovary 3-celled; style-appendages long and hyaline; stigmas 3, brown, shorter than the style-appendages; seeds slightly curved, cancellate.

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

    Capitula subglobose, greyish, pilose, 2-3·5 mm. diam.

  • Provided by: [E].Plants Of the World Online Portal - FWTA
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    Sepals of female flowers hardening and recurving at maturity and throwing out the ripe seeds.

  • Provided by: [E].Plants Of the World Online Portal - FWTA
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    Plants usually 3-7 mm. high

  • Provided by: [E].Plants Of the World Online Portal - FWTA
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    Seeds ellipsoid, 0.3 mm. long, light brown.

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

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
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    Leaves linear to lanceolate, 2–3 cm. long, 1–3 mm. wide, spongy, scattered-pilose to glabrescent,the tip hardened, subacute.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
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    Small herb, with age developing an unbranched wiry stem clothed in old leaves and fibrous roots, the new leaves forming a loose rosette at the stem tip.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 12
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    Capitulum 3–4 mm. diameter, subglobose with intruded base at maturity, grey, densely villous, the immature central flowers completely obscured by white hairs; involucral bracts lanceolate to lanceolate-oblong, 1.0–1.2 mm. long, firmly membranous, brownish grey with a paler central stripe, villous with coarse spreading hairs from the margins and back, acute; floral bracts angular-obovate, dark grey with paler central stripe, coarsely villous above the middle; flowers trimerous, 0.8–1.0 mm. long.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
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    Scapes many in a terminal tuft, 2–7 cm. high, 3-ribbed; sheaths shorter than the leaves, loose with an acute limb.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
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    Female flowers: sepals resembling the male at first; petals hyaline, equalling the sepals, narrowly oblong-spathulate, scattered-pilose; at maturity the sepals hardening, recurving and raising the petals and ovary to the capitulum surface.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
    • Source: [
    • 12
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    Male flowers: sepals oblong-spathulate, concave, dark grey with paler central stripe, densely pilose at the subacute tips; petal-tube borne on a stipe; vestigial gynoecium represented by 3 elongate glands.

  • Provided by: [C].Plants Of the World Online Portal - FTEA
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    Distribution

    Hispaniola, Cuba, and British Honduras to Panama, Trinidad, and Brazil.

  • Provided by: [B].Flora de Panama
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    Distribution Map

     
    • Native distribution
    Found in
    • Southern America Brazil Acre
    • Amapí
    • Parí
    • Tocantins
    • Bahia
    • Ceará
    • Maranh
    • Pernambuco
    • Piauá
    • Goiás
    • Mato Grosso

     Information From

    Eriocaulaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    • B 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
    • C
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    http://floradobrasil.jbrj.gov.br
    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
    • D Group Brazil Flora, REFLORA Program
    Plants Of the World Online Portal - FWTA
    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 The Trustees of the Royal Botanic Gardens, Kew
    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
    • F Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • G CC0 1.0 Universal (CC0 1.0).