Parietaria L.
  • Sp. Pl. 2: 1052. 1753. (1 May 1753)
  • Pellitory [Latin paries, wall, referring to habitat of original species]


Cite taxon page as 'WFO (2021): Parietaria L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000028202. Accessed on: 16 Oct 2021'

General Information

10. Parietaria L.

Por A.K.Monro.

Hierbas, anuales o perennes; tallos sin tricomas urticantes,no liberando látex acuoso al corte. Hojas alternas, simples, los márgenesenteros; cistolitos puntiformes; estípulas ausentes. Inflorescenciasbisexuales, con una mezcla de flores bisexuales y unisexuales, las flores enpanículas cortas y con frecuencia truncadas; pedicelos envueltos por brácteasprominentes. Flores estaminadas bisexuales, 4-meras, los tépalos iguales.Flores pistiladas unisexuales o bisexuales, 4-meras; tépalos iguales; estigmaspenicilados. Aquenios ligeramente comprimidos, ovoides. Aprox. 8 spp.Cosmopolita.

Bibliografía: Weddell, H.A. Arch.Mus. Hist. Nat. 9: 503-520 (1856-1857 [1857]).

  • Provided by: [F].Flora Mesoamericana
    • Source: [
    • 1
    • 11
    • ]. 

    Herbs , annual or perennial, sparsely to densely pubescent with hooked and straight, nonstinging hairs on all parts of plant, stinging hairs absent. Stems often branched from base, erect, ascending, or decumbent. Leaves alternate; stipules absent. Leaf blades deltate, orbiculate to narrowly elliptic, or lanceolate, margins entire; cystoliths rounded. Inflorescences axillary. Flowers bisexual, staminate, or pistillate, proximal flowers usually bisexual and staminate, distal flowers pistillate; involucral bracts linear to lanceolate, without hooked hairs; tepals 4, distinct, ascending, lacking hooked hairs; stamens 4; style persistent or not; stigma tufted, deciduous. Achenes stipitate, ovoid, acute or mucronate (style base sometimes persisting as apical or subapical mucro), loosely enclosed by tepals. x =7, 8, 10, 13.

  • Provided by: [D].Flora of North America @ efloras.org
    • Source: [
    • 9
    • ]. 

    Herbs, annual or perennial, without stinging hairs. Leaves alternate; stipules absent; leaf blade 3-veined or triplinerved, margin entire; cystoliths punctiform. Inflorescences axillary, clusters or cymes of unisexual or bisexual flowers (plants monoecious); bracts calyxlike. Bisexual flowers: perianth lobes 3 or 4, linear, valvate. Male flowers: perianth lobes 3 or 4; rudimentary ovary minute. Female flowers: perianth lobes 3 or 4, connate to a tube at base, much shorter than male lobes. staminodes absent. Ovary straight, free from perianth; style short or absent; stigma penicillate or spatulate; deciduous, ovule orthotropous. Achene ovoid, slightly compressed, with lustrous and crustaceous pericarp, enclosed by dry persistent perianth. Seeds with endosperm; cotyledons oblong-ovate.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 10
    • ]. 

    PARIETARIA L.

    Parietaria debilis G. Forst., Fl. Ins. Austr. 73. 1786.

    Hierbas, tallos viejos a veces tornándose leñosos, hasta 40 cm de alto, pilosas; plantas polígamas. Hojas alternas, angostamente ovadas a elípticas, 0.5–2.8 cm de largo y 0.4–1.2 cm de ancho, ápice agudo a acuminado, base redondeada a aguda, margen entero, cistolitos punctiformes, pilosas a escasamente pubescentes en la haz, tricomas en los nervios del envés, nervadura 3-plinervia o pinnada; pecíolos 0.3–1.5 cm de largo, pilosos, sin estípulas. Inflorescencias femeninas o bisexuales, axilares, con 1–8 flores, brácteas numerosas, entremezcladas en la inflorescencia, lineares o angostamente triangulares, 1–2 mm de largo y 0.3–0.5 mm de ancho; flores con perianto 4-partido, 1–1.5 mm de largo, flores masculinas y bisexuales con los segmentos del perianto casi libres; flores pistiladas con el perianto connado en un tubo encerrando al ovario, estigma penicilado. Perianto fructífero envolviendo el aquenio, ovoide, 0.7–1 mm de largo y 0.5–0.7 mm de ancho, cartáceo y persistente.

    Se espera encontrar en Nicaragua; ampliamente distribuida en las regiones templadas y tropicales de ambos hemisferios, especialmente a elevaciones sobre los 1000 m. Género con ca 8 especies.

  • Provided by: [G].Flora de Nicaragua
    • Source: [
    • 12
    • ]. 

    "Monoecious or polygamous; staminate fls with deeply 4- parted cal and 4 stamens; cal of the pistillate fls tubular at base, 4-lobed; ovary compressed, ovoid; stigma subsessile; fr an achene, loosely enclosed by the accrescent cal; herbs with alternate, entire, exstipulate lvs and short, axillary clusters of few fls subtended and exceeded by green bracts. 30, widespread."

  • Provided by: [A].New York Botanical Garden
    • Source: [
    • 13
    • ]. 

    Morphology

    Female flowers: with ± tubular, 3- or 4-lobed perianth, stigma sessile, penicillate, decidous, ovary symmetrical

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Achene enclosed in persistent perianth.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Hermaphrodite flowers: 3- or 4-merous; tepals almost free.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Flowers bisexual or unisexual

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Male flowers: 3- or 4-merous; tepals almost free; rudimentary ovary present.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Annual or perennial herbs, polygamous

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Inflorescences of paired sessile or shortly pedunculate clusters in leaf-axils; bracts sometimes very prominent

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Leaves alternate, petiolate, entire, cystoliths dot-like; stipules absent

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 8
    • ]. 

    Herbes'annuelles ou vivaces, souvent très ramifiées, parfois sous-frutescentes ou lianiformes.'Feuilles'alternes, pétiolées, entières, trinerves ou triplinerves, petites ou médiocres, à cystolithes punctiformes, sans stipules.'Cymules'± contractées, axillaires, subsessiles, à bractées souvent connées et formant un involucre.'Fleurs'polygames; les ♂ et ☿ 4-mères (rarement 3-mères), à périgone profondément 4 (3)-lobé; les ♀ à périgone tubuleux ou renflé, 4-denté au sommet; ovaire glabre; stigmate en pinceau, sessile ou subsessile, caduque.'Akènes enveloppés dans le périgone.\n\t\t\t\tEnviron 10 espèces des régions tempérées et chaudes, dont plusieurs à très vaste distribution; 2 au Congo belge.

  • Provided by: [C].Flore d'Afrique Centrale
    • Source: [
    • 14
    • ]. 

    Synonyms

    Other Local Names

    NameLanguageCountry
    Pellitory [Latin paries, wall, referring to habitat of original species]

     Information From

    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.
    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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.
    • B Missouri Botanical Garden
    Flore d'Afrique Centrale
    https://www.floredafriquecentrale.be
    • C http://creativecommons.org/licenses/by/4.0/ Attribution 4.0 International (CC BY 4.0)
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • D Flora of North America Association
    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
    • E
    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
    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
    • G Missouri Botanical Garden
    Urticaceae
    • H CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • I CC0 1.0 Universal (CC0 1.0).