Potentilla erecta (L.) Raeusch.
  • Nomenclator botanicus
  • Erect cinquefoil, tormentil


Cite taxon page as 'WFO (2020): Potentilla erecta (L.) Raeusch. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000984938. Accessed on: 25 Sep 2020'

General Information

Rootstocks erect to horizontal, irregularly thickened, 1–8 cm. Stems mostly ascending to erect, not flagelliform, openly branched, not rooting at nodes, (0.5–)1–5(–7) dm. Basal leaves ephemeral, usually ternate, 2–15 cm; petiole (1–)3–13 cm, long hairs sparse to common, appressed, 0.5–1 mm, stiff, glands absent; leaflets 3(–5), central ± obovate to cuneate, (0.5–)1–2 × (0.3–)1–1.5 cm, distal 1/2–2/3 of margin incised ± 1/3 to midvein, teeth 2–4 per side, surfaces similar, green (abaxial sometimes paler), glabrate or sparsely to moderately hairy. Cauline leaves (0–)1–3(–7) proximal to 1st flowering node, expanded at anthesis, usually ternate, rarely palmate (or appearing so because of leafletlike stipules), (0.5–)1–3 cm; petiole usually 0 cm; leaflets 3(–5), usually much narrower than those of basal leaves, ?narrowly cuneate to oblanceolate, (0.5–)1–3 × (0.2–)0.5–1 cm, distal 1/3–2/3 of margin incised ± 1/2 to midvein, teeth 2–4(–6) per side?, apex usually obtuse to acute. Inflorescences 3–30-flowered, cymose, open. Pedicels (1–)2–3(–5) cm. Flowers 4(–5)-merous; epicalyx bractlets ovate to narrowly elliptic, 1.5–4 × 0.5–1 mm, much smaller than to sometimes equal to sepals; hypanthium 1.5–2.5 mm diam.; sepals (2–)3–5 mm, apex broadly acute; petals (2–)4–6 × (1.5–)3–6 mm, apex ± retuse; stamens 15–20, filaments 2–3.8 mm, anthers 0.4–0.6 mm; carpels 4–8(–20), styles 0.9–1.4 mm. Achenes 1.2–2 mm, rugose. 2n = 28 (Eurasia).

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

    Synonyms

    Other Local Names

    NameLanguageCountry
    Erect cinquefoil, tormentil

     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
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • B CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).