Geum urbanum Hook.f.
  • The flora of British India (Rosaceae)
  • Wood avens

Cite taxon page as 'WFO (2021): Geum urbanum Hook.f. Published on the Internet; Accessed on: 24 Oct 2021'

General Information

Plants leafy-stemmed. Stems 25–85 cm, puberulent and sparsely hirsute. Leaves: basal 12–25 cm, blade strongly lyrate-pinnate to pinnate, major leaflets 1–9, sometimes alternating with minor ones, terminal leaflet slightly to much larger than major laterals; cauline 4–15 cm, stipules ± free, 10–40 × 5–35 mm, blade pinnate, 3-foliolate, or simple and 3-lobed. Inflorescences 3–18-flowered. Pedicels puberulent, less densely hirsute, eglandular. Flowers erect; epicalyx bractlets 0.5–2 mm; hypanthium green; sepals spreading but soon reflexed, 2–5 mm; petals spreading, yellow, suborbiculate, elliptic, or obovate, 2–6 mm, shorter to longer than sepals, apex rounded. Fruiting tori sessile, densely bristly, ?hairs 1–2.3 mm?. Fruiting styles geniculate-jointed, proximal segment persistent, 3–7 mm, apex hooked, glabrous, distal segment deciduous, 1–1.5 mm, glabrous or with short hairs, ?hairs shorter than diam. of style?. 2n = 42.

  • Provided by: [A].Flora of North America @
    • Source: [
    • 1
    • ]. 


    SELECTED REFERENCE Bernard, J.-P. and R. Gauthier. 1986. Observations sur le Geum urbanum L. dans la région de Québec et description de deux hybrides. Naturaliste Canad. 113: 317–324.

  • Provided by: [A].Flora of North America @
    • Source: [
    • 1
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    Wood avensEnglishIE
    Machall coilleIrishIE

    Other Local Names

    Macall coilleIrishIE
    Wood avens, herb bennet, clover-root, benoîte commune
    Machall-fiadhain (-aill-fiadhain)IrishIE
    Herb bennetEnglishIE
    Machal coilleadhIrishIE

     Information From

    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    Irish Vernacular Names
    • B All Rights Reserved
    CC0 1.0 Universal (CC0 1.0).
    • C CC0 1.0 Universal (CC0 1.0).