Geum triflorum Pursh
  • Flora Americae septentrionalis
  • Prairie smoke, old man’s whiskers, torchflower, three-sisters


Cite taxon page as 'WFO (2021): Geum triflorum Pursh. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001012992. Accessed on: 17 Oct 2021'

General Information

Plants subscapose. Stems 10–45 cm, downy to pilose, ?hairs 0.1–3 mm, sometimes septate-glandular?. Leaves: basal 4–30 cm, blade interruptedly pinnate, major leaflets 10–18, alternating with 6–16 minor ones gradually increasing in size distally, terminal leaflet slightly larger than major laterals; cauline 1–5 cm, stipules adnate to leaf, indistinguishable from leaflets/lobes, blade ?bractlike, not resembling basal, opposite?, pinnate-pinnatifid. Inflorescences (1–)3–5(–7)-flowered. Pedicels densely woolly, sometimes glandular. Flowers nodding, ?erect in fruit?; epicalyx bractlets 6–15 mm; hypanthium maroon, purple, or greenish mottled with purple, ?may turn pale brown in fruit?; sepals erect, 7–14 mm; petals erect, cream to yellowish suffused with pink or purple, or purple-veined, elliptic, 7–13 mm, shorter to longer than sepals, apex rounded to obtuse. Fruiting tori sessile, densely puberulent. Fruiting styles wholly persistent or distal 3–7 mm tardily deciduous, not or inconspicuously geniculate-jointed, 15–70 mm, apex not or occasionally ± hooked, pilose to apex or nearly so.

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

    "Stems 2–4 dm from a short, stout rhizome, hairy throughout; basal lvs 1–2 dm, oblanceolate, pinnately compound; lfls 7–17, the lateral progressively larger toward the lf-tip, cuneate-oblong, to 5 cm, irregularly laciniate or lobed, the terminal one similar but wider, often confluent with the upper lateral ones and scarcely larger than them; cauline lvs few and small, laciniate; peduncles eventually to 1 dm; fls nodding, broad-based, narrowed distally in life; sep shorter than the linear bractlets; pet purplish, 8–12 mm, about equaling the bractlets, suberect; mature styles 3–5 cm, strongly plumose except the terminal 2–5 mm; 2n=42. Dry woods and prairies; w. N.Y. to Minn. and Io., w. to B.C. and Calif. May, June. Our plants are var. triflorum. (Sieversia t.)"

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

    Other Local Names

    NameLanguageCountry
    Prairie smoke, old man’s whiskers, torchflower, three-sisters

      Bibliography

     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 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.
    • B Flora of North America Association
    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).