Geum canadense Jacq.
  • Hortus botanicus vindobonensis
  • White avens, benoîte du Canada


Cite taxon page as 'WFO (2021): Geum canadense Jacq. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001012938. Accessed on: 28 Sep 2021'

General Information

Plants leafy-stemmed. Stems 30–100 cm, glabrate to downy, ?hairs to 1.5 mm, sometimes glandular?. Leaves: basal 10–25 cm, blade simple or pinnate, major leaflets 3–5, plus 0–4 minor basal ones, terminal leaflet larger than major laterals; cauline 3–8 cm, stipules ± free, 4–13 × 1–7 mm, blade 3-foliolate or simple and 3-lobed to unlobed. Inflorescences 3–15-flowered. Pedicels densely hairy, ?hairs of varying lengths, few long stiff ones?, sometimes glandular. Flowers erect; epicalyx bractlets 0.5–1.5 mm; hypanthium green; sepals spreading but soon reflexed, 3–6 mm; petals spreading, white, obovate to oblong, (3–)4–8 mm, ± equal to or slightly longer than sepals, apex rounded. Fruiting tori sessile, densely bristly, ?hairs 1–2.3 mm?. Fruiting styles geniculate-jointed, proximal segment persistent, 2–8 mm, apex hooked, usually glabrous, sometimes sparsely hairy or stipitate-glandular, distal segment deciduous, 1–2 mm, pilose in basal 1/2, ?hairs much longer than diam. of style?. 2n = 42.

  • Provided by: [D].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

    1. Geum canadense Jacq., Hort. Bot.Vindob. 2: 82 (1772 [1773]). Lectotipo (designado aquí): Jacq., Hort. Bot. Vindob. 2: t. 175 (1772[1773]). Ilustr.: Holmgren, Ill.Companion 227, t. 2 (1998).

    Por F.R. Barrie.

    Tallos 1-varios, hasta c. 50 cm. Tallos, hojas y pedicelospilosos. Hojas basales pinnaticompuestas verdes, pilosas en ambas superficies;folíolos 3-7(-9), el folíolo terminal 3-8 × 2.5-6 cm, ovado a rómbico, engeneral ligera a profundamente 3-lobado o hendido, la base truncada a cuneada,los márgenes doblemente serrados, el ápice redondeado a agudo; folíoloslaterales (0.5-)2-7 × (0.5-)1-3 cm, similares al folíolo terminal pero máspequeños, gradualmente reducidos en tamaño hacia la base; pecíolos 5-15 cm;hojas caulinares más proximales ternado-compuestas, las más distales simples,reducidas, sésiles. Flores sobre pedicelos 5-10 cm; bractéolas 1-2 mm,ligulares, verdes; sépalos 5-6 × 1.5-3 mm, triangulares, verdes; pétalosligulares a obovados, 5-8 × 2-4 mm, blancos, el ápice redondeado; estambres 2-3mm; estilo 1-2 mm, el estigma c. 1 mm, con unos pocos tricomas. Frutos enagregados de aquenios en una cabezuela globosa, los aquenios 3-4 mm, ovados,esparcidamente seríceos, el estilo persistente 4-7 mm, arqueado o uncinadoapicalmente. Bosques de Pinus-Quercus. Ch (Breedlove 51928, F). 2000-2500m. (Canadá, Estados Unidos, Mesoamérica.)

    Geum canadense se conoce enMesoamérica solo de Chiapas, donde se asocia con otros taxa montanos deregiones templadas que están en el extremo sur de su área de distribución, ocerca de este, tales como Crataegus, Quercus y Pinus. Geum canadense estáampliamente distribuida en los bosques del este de Canadá y Estados Unidos,llegando hasta Texas, pero además de esto, no se le conoce de México.

  • Provided by: [C].Flora Mesoamericana
    • Source: [
    • 3
    • 1
    • ]. 

    "Stems slender, 4–10 dm, glabrous or sparsely pubescent below, becoming minutely but densely velvety-puberulent above and on the pedicels, often also with a few scattered long hairs; basal lvs long-petioled, with mostly 3 obovate lfls; cauline lvs mostly shorter-petioled, with more oblong-lanceolate to rhombic lfls, the uppermost simple and subsessile; pet white, nearly as long as the sep, or longer; head of frs obovoid, 10–15 mm; receptacle densely bristly, the hairs protruding among the ovaries at anthesis but shorter than the achenes, these hairy at least above, 2.5–3.5 mm excluding the style; 2n=42. Dry or moist woods; N.S. to Minn. and N.D., s. to Ga. and Tex. May, June. (G. camporum)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 4
    • ]. 

    Other Local Names

    NameLanguageCountry
    White avens, benoîte du Canada

     Information From

    MBG Floras Images
    http://www.tropicos.org/ImageSearch.aspx
    Flora images. Missouri Botanical Garden. Accessed on Jun. 2018.
    • A 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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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
    • C Missouri Botanical Garden
    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
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).