Betula pubescens Ehrh.
  • Beitr. Naturk.
  • Downy birch


Cite taxon page as 'WFO (2021): Betula pubescens Ehrh. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000335985. Accessed on: 24 Jan 2021'

General Information

Trees and shrubs ; trunks 1--many. Bark when young dark reddish brown, in maturity light reddish brown to tan or brownish or grayish white, smooth, rather close or readily exfoliating in paper-thin sheets; lenticels pale, horizontal, in maturity dark, horizontally expanded. Twigs without taste and odor of wintergreen, usually covered with short bristly hairs. Leaf blade ovate or rhombic-ovate, margins serrate, apex acute; surfaces abaxially sparsely pubescent to velutinous, especially along major veins and in vein axils, without prominent resinous glands. Fruiting catkins pendulous or subpendulous, cylindric, shattering with fruits in late fall; scales puberulent to glabrous, often ciliate, lobes diverging at middle. Samaras with wings equal to or somewhat broader than body, broadest near summit, extended beyond body apically.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Morphology

    Ähnlich wie B. pendula, mit der sie Bastarde bildet, aber Rinde fast überall glatt, gelblich weiss bis bräunlich, ± matt. Zweige abstehend oder aufwärts gerichtet, jung dicht behaart bis fast kahl. Blätter mehr eiförmig, unterseits in

  • Provided by: [B].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 

    Ecology

    4–5. Torfmoore, bewaldete Hänge und Schluchten, kollin-subalpin. CH.

  • Provided by: [B].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 3
    • ]. 

    Distribution Map

     
    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Synonyms

    Nationally Preferred Names

    NameLanguageCountry
    Downy birchEnglishIE

    Other Local Names

    NameLanguageCountry
    Bouleau pubescentFrenchCH
    Moor-BirkeGermanCH
    BeathógIrishIE
    Beith charraigeachIrishIE
    BirchEnglishIE
    Badugn pailusRaeto-RomanceCH
    BeithIrishIE
    BeathaIrishIE
    BeitheIrishIE
    Cran-bheitheIrishIE
    Beith chluasachIrishIE
    Betulla pubescenteItalianCH

      Bibliography

     Information From

    Betulaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • B All Rights Reserved
    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.
    • C Flora of North America Association
    Irish Vernacular Names
    https://www.missouribotanicalgarden.org/plant-science/plant-science/research-staff/article/380/wyse-jackson-peter-s.aspx
    • D All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).
    Global Tree Search
    https://tools.bgci.org/global_tree_search.php
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • F Botanic Gardens Conservation International