Geum vernum (Raf.) Torr. & A.Gray
  • A flora of North America
  • Spring avens


Cite taxon page as 'WFO (2021): Geum vernum (Raf.) Torr. & A.Gray. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001013004. Accessed on: 17 Oct 2021'

General Information

Plants leafy-stemmed. Stems 20–70 cm, pilose or sparsely pilose, ?hairs septate?. Leaves: basal 4–27 cm, blade simple or pinnate, leaflets 3–11, terminal leaflet larger; cauline 2–7 cm, stipules ± free, 8–25 × 7–12 mm, blade pinnate to 3-foliolate. Inflorescences 3–13-flowered. Pedicels glandular-downy, becoming glabrate in fruit. Flowers erect; epicalyx bractlets absent; hypanthium green; sepals reflexed, 1–3 mm; petals spreading, yellow to cream, oblong to elliptic, sometimes obovate, 1–2 mm, equal to or shorter than sepals, apex rounded. Fruiting tori on 3–7 mm stipes, glabrous. Fruiting styles geniculate-jointed, proximal segment persistent, 1.5–3 mm, apex hooked, nearly glabrous except for few septate-glandular hairs, distal segment deciduous, 0.7–1 mm, nearly glabrous except for short hairs. 2n = 42.

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

    "Stems erect or ascending, 3–6 dm; some basal lvs long-petioled, simple or nearly so, others smaller and pinnate; principal cauline lvs pinnate or some trifoliolate, with several toothed and often deeply cleft divisions, the upper and lower cauline lvs reduced; sep triangular, reflexed; bractlets none; pet yellow or white, 1–2 mm; head of achenes on a stipe 1–2 mm; achenes 2–3 mm, minutely appressed-puberulent; terminal segment of the style 0.7 mm, inserted on the very tip of the basal segment; 2n=42. Rich woods; s. Ont. to s. Wis., Io., and Kan., s. to Tenn. and nw. Okla.; also c. and s. N.Y., N.J., and Pa. Apr., May."

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Other Local Names

    NameLanguageCountry
    Spring avens

      Bibliography

     Information From

    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.
    • A Flora of North America Association
    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
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).