Jacquemontia tamnifolia (L.) Griseb.
  • Fl. Brit. W. I.


Cite taxon page as 'WFO (2020): Jacquemontia tamnifolia (L.) Griseb. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001297301. Accessed on: 04 Dec 2020'

General Information

12. Jacquemontiatamnifolia (L.) Griseb., Fl. Brit. W. I. 474 (1862). Ipomoeatamnifolia L., Sp. Pl. 162(1753). Lectotipo (designado por Verdcourt,(1963): “Volubilis Car. Tamni folio subhirsuto” in Dillenius, Hort.Eltham, 2: 428, t. 318, f. 410 (1732). Ilustr.: Standley y Williams, Fieldiana, Bot. 24:67, t. 8 (1970).

Por K.R. Robertson y D.F. Austin.

Convolvuluscapitatus Desr., C. pycnanthus Hochst. ex Choisy, C.tamnifolius (L.) G. Mey., Ipomoeacapitata (Desr.) Choisy, Jacquemontiamacrocephala Brandegee, Thyellamacrocephala (Brandegee) House, T.tamnifolia (L.) Raf.

Hierbasanuales, trepadoras; tallos hasta 5 m, hirsutos en toda la superficie. Hojas2-16 × 1-12 cm, ovadas a anchamente ovadas, glabrescentes, la base cordata, elápice agudo o abruptamente acuminado. Inflorescencias en cimas densas, en formade cabezuela, multifloras, pocas abriéndose al mismo tiempo. Flores densamentehirsutas con indumento de color rojizo a pardo; sépalos 5-15 mm, más o menosiguales o los interiores más cortos, lanceolados, acuminados, hirsutos contricomas pardo-amarillentos; corola 1-10(-15) mm, azul, rara vez blanca, lospliegues glabros. Cápsulas 4-6 mm, rodeadas por los sépalos y brácteas más o menos foliáceas, globosas, pardo claro,abriéndose por 8 valvas, glabras;semillas 2-2.5 mm, redondeadas, pardo-anaranjadas, verrugosas overrugosa-rugosas, glabras. Floración ago.-feb. Zonas secundarias. T (Orozco 425, XAL); Ch (Matuda 3813, NY); Y (Gaumer 1121, MO); B (Gentle 2659, NY); G (Steyermark 30333, F); H (Williams y Molina R.10776, MO); ES (Sandoval ySandoval MS00167, MO); N (Moreno 13417, MO); CR (Chavarría 434, CR); P (Harvey 5104, F). 0-900 m. (Estados Unidos, México[Guerrero, Morelos, Edo. México, Oaxaca, Tamaulipas], Mesoamérica, Colombia,Venezuela, Guayanas, Ecuador, Brasil, Paraguay, Argentina, Antillas, ViejoMundo.)

  • Provided by: [H].Flora Mesoamericana
    • Source: [
    • 1
    • 12
    • ]. 

    Jacquemontia tamnifolia (L.) Griseb., Fl. Brit. W. I. 474. 1862; Ipomoea tamnifolia L.; Thyella tamnifolia (L.) Raf.

    Trepadoras anuales; tallos herbáceos, decumbentes o volubles, hirsutos. Hojas ovadas a ampliamente ovadas, 3–10 cm de largo, raramente más largas, 1–9 cm de ancho, agudas a acuminadas en el ápice, cordadas en la base, glabrescentes. Inflorescencias capítulos cimosos, con muchas flores de las cuales solamente unas pocas se abren cada día; brácteas foliáceas, lanceoladas a elípticas, 1.5–4 cm de largo, densamente hirsutas; sépalos lanceolados, 10–15 mm de largo y 1–3 mm de ancho, acuminados, hirsutos con tricomas amarillo-cafés; corola infundibuliforme, 9–15 mm de largo, glabra entre los pliegues, generalmente azul, a veces blanca. Frutos globosos, envueltos por los sépalos y las brácteas foliáceas, 4–5 mm de ancho, glabros; semillas ovoides, 2–2.8 mm de largo y 2–2.5 mm de ancho, diminutamente areoladas y verrugosas, a veces aladas, glabras, café-anaranjadas.

    Rara en sitios perturbados y áreas cultivadas en las zonas norcentral y pacífica; 0–900 m; fl ago–feb, fr sep–mar; Moreno 13417, 18724; Estados Unidos hasta Nicaragua, Panamá hasta Sudamérica, también en las Antillas.

  • Provided by: [L].Flora de Nicaragua
    • Source: [
    • 13
    • ]. 

    flowered but few open at one time, densely hirsute; sepals lanceolate, 10-15 mm long and 1-3 mm wide, acuminate, hirsute with yellowish brown trichomes; co- rollas mostly blue, some white, 1 cm long, interplicae glabrous; stamens subequal, the filaments basally glabrous; ovary subglobose, glabrous. Fruits capsular, enclosed in sepals and subfoliose bracts, globose, 4-5 mm in diameter, light brown, glabrous; seeds orange-brown, 2.5 mm long, glabrous.

  • Provided by: [G].Flora de Panama
    • Source: [
    • 14
    • ]. 

    Vines; stems herbaceous, hirsute throughout. Leaves ovate to broadly ovate, 3-10 cm long and 1.5-6 cm wide, basally cordate, apically acute or abruptly acuminate, glabrescent. Flowers in dense head-like cymose inflorescences, many-

  • Provided by: [G].Flora de Panama
    • Source: [
    • 14
    • ]. 

    Bejuco. Hojas 3–10 X 2–5 cm, los tricomas ferrugíneos, no glandulares. Infls. congestionadas, de numerosas fls., con tricomas anaranjados a café oscuro, aparentemente todos simples (excepto los del pedúnculo), no glandulares; pedúnculo 2–12 cm; brácteas foliáceas, 15–40 mm, elípticas a lanceoladas, conspicuas y que envuelven la infl. Fls. con los sépalos iguales, 10–15 mm, lanceolados, acuminados en el ápice, hirsutos; corola azul o lila a morada, 9–15 mm.

  • Provided by: [I].Manual de Plantas de Costa Rica
    • Source: [
    • 15
    • ]. 

    "A widespread weed in tropical Amer. and s. U.S., has been collected as far n. as n. Ill. and se. Va. It will key to Calystegia, from which it obviously differs in its densely cymose-capitate clusters of blue fls ca 1 cm."

  • Provided by: [J].New York Botanical Garden
    • Source: [
    • 16
    • ]. 

    Morphology

    A slender twiner, pilose

  • Provided by: [M].Plants Of the World Online Portal - FWTA
    • Source: [
    • 2
    • ]. 

    Blue flowers.

  • Provided by: [M].Plants Of the World Online Portal - FWTA
    • Source: [
    • 2
    • ]. 

    Fig. 10, p. 36.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Seeds 4, brown, scabridulous, 2 mm. long.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Leaf-blade ovate, up to 6 cm. long and wide, acute to acuminate at the apex, acute to cordate at the base, sparingly adpressed pilose above and below, or glabrescent; petiole about 3.5 cm. long.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Flowers in dense hairy capitate cymes 2–3 cm. across, of a ferrugineous colour when dry; peduncles up to 15 cm. long, silky pilose above.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Annual twiner; stems adpressed pilose with silky hairs.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Corolla blue, 1 cm. long.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Capsule 4–5 mm. in diameter, straw-coloured.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Outer bracts similar to the leaves but smaller, about 2 cm. long; inner becoming smaller and more hairy inwards, lanceolate or linear.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Sepals lanceolate, acute, subequal, densely and softly hairy, 5–7 mm. long.

  • Provided by: [K].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Seeds usually 4, brown scabridulous.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Capsule globose, glabrous, straw-coloured.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Leaf lamina ovate, oblong to broadly cordate, up to 9 × 6 cm., acute to acuminate at the apex, truncate to cordate at the base, glabrescent or more or less pilose with brownish or white hairs, ciliate; petiole slender, up to 4·5 cm. long, usually much more densely pilose than the blade or stem.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Flowers in dense hairy capitate cymes more or less 2·5 cm. across, of a ferrugineous colour when dry, supported by reduced bract-like leaves with narrowing base, the inner ones becoming smaller, lanceolate or linear, and more hairy ultimately resembling the sepals; peduncles up to 12 cm. long, silky pilose above.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Sepals subequal, more or less 5 mm. long, lanceolate, acute, densely and softly hairy with ferrugineous or rarely white hairs.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Corolla blue, more or less 1 cm. long, funnel-shaped, obscurely 5-lobed, glabrous, fugacious.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Annual twiner.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Stems several from the base, twining or trailing, occasionally suberect, up to about 85 cm. long, appresed pilose with silky hairs, usually brownish.

  • Provided by: [D].Plants Of the World Online Portal - FZ
    • Source: [
    • 11
    • ]. 

    Twining annual herb. Leaves and stems distinctly pubescent or hairy. Flowers crowded into bracteate heads; bracts 20 mm long. Flowers blue.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 18
    • ]. 

    Annual herb. Stems several from base, twining or trailing, occasionally suberect, up to ±850 mm long, finely adpressed pilose with silky hairs, usually brownish, rarely whitish. Leaves ovate, oblong to broadly cordate, 40-90 x 20-80 mm, entire, acute to acuminate at apex, truncate to shallowly cordate at base, or even abruptly cuneate, glabrescent or ± pilose with brownish or white hairs, ciliate; petiole slender, up to 45 mm long, usually much more densely pilose than blade or stem. Flowers in dense hairy capitate cymes 20-30 mm across, of a ferrugineous colour when dry, supported by reduced bract-like leaves with narrowing base, ±20 mm long, inner ones becoming smaller, lanceolate or linear, and more hairy, ultimately resembling sepals; peduncles up to 120 mm long, terete, silky pilose above. Sepals subequal, 5-7 mm long, lanceolate, acute, densely and softly hairy with ferrugineous or rarely white hairs. Corolla blue, very rarely mauve to white, ±10 mm long, funnel-shaped.

  • Provided by: [F].e-Flora of South Africa
    • Source: [
    • 19
    • ]. 

    Habit

    Liana/volúvel/trepadeira

  • Provided by: [E].Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    • Vines

    • Provided by: [G].Flora de Panama
      • Source: [
      • 14
      • ]. 

      Habitat

      Woodland, edge of thicket, grassland, riverine woods, damp sandy ground, cultivated land.

    • Provided by: [F].e-Flora of South Africa
      • Source: [
      • 18
      • ]. 

      Mostly in subruderal habitats; also found in woodlands.

    • Provided by: [F].e-Flora of South Africa
      • Source: [
      • 19
      • ]. 

      Distribution

      occurs in the southeastern United States, Mexico, Guatemala, British Honduras, Honduras, Panama and in the Greater Antilles.

    • Provided by: [G].Flora de Panama
      • Source: [
      • 14
      • ]. 

      Occurs in the warmer parts of southern Africa, in tropical Africa south of the Sahara and also in Madagascar, the Mascarene Islands and tropical America.

    • Provided by: [F].e-Flora of South Africa
      • Source: [
      • 19
      • ]. 

      Distribution Map

       
      • Native distribution
      Found in
      • Southern America Brazil Acre
      • Amapí
      • Amazonas
      • Parí
      • Rondônia
      • Roraima
      • Tocantins
      • Alagoas
      • Bahia
      • Ceará
      • Maranh
      • Paraába
      • Pernambuco
      • Piauá
      • Rio Grande do Norte
      • Sergipe
      • Paraní
      • Rio Grande do Sul
      • Santa Catarina
      • Espirito Santo
      • Minas Gerais
      • Rio de Janeiro
      • São Paulo
      • Brazilia Distrito Federal
      • Mato Grosso
      • Mato Grosso do Sul

        Bibliography

       Information From

      Convolvulaceae
      World Flora Online Data. 2017.
      • A CC0 1.0 Universal (CC0 1.0).
      MBG Floras Images
      http://www.tropicos.org/ImageSearch.aspx
      Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
      • B Missouri Botanical Garden
      • C Missouri Botanical Garden
      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
      • D
      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
      • E Group Brazil Flora, REFLORA Program
      e-Flora of South Africa
      e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
      • F All Rights Reserved
      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
      • G 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
      • H Missouri Botanical Garden
      Manual de Plantas de Costa Rica
      http://www.tropicos.org/Project/Costa%20Rica
      Hammel, B. E.; Grayum, M. H.; Herrera, C.; Zamora, N. Manual de Plantas de Costa Rica. Missouri Botanical Garden Press, 2003-2014
      • I Missouri Botanical Garden
      New York Botanical Garden
      Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
      • J Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
      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
      • K
      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
      • L Missouri Botanical Garden
      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
      • M The Trustees of the Royal Botanic Gardens, Kew
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • N CC0 1.0 Universal (CC0 1.0).