Geum macrophyllum Willdenow (Q3893)

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Geum macrophyllum is a taxon with the rank species within the genus Geum
Language Label Description Also known as
English
Geum macrophyllum Willdenow
Geum macrophyllum is a taxon with the rank species within the genus Geum

    Statements

    taxon/id/Geum macrophyllum Willdenow
    0 references
    Geum macrophyllum Willdenow
    Geum macrophyllum
    Willdenow
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    large-leaved avens (English)
    big-leaved avens (English)
    benoîte à grandes feuilles (French)
    Large-leaved avens (English)
    benoîte à grandes feuilles (English)
    Eurasia
    Plants leafy-stemmed.
    Stems 30–110 cm, puberulent and hirsute or sparsely hirsute.
    Leaves: basal 10–45 cm, blade interruptedly lyrate-pinnate, major leaflets 5–9, alternating with 4–15 minor ones, terminal leaflet usually much larger than major laterals;
    cauline 2–12 cm, stipules ± free, 7–23 × 3–12 mm, blade lyrate-pinnate, pinnate, 3-foliolate, or simple and 3-lobed.
    Inflorescences 3–16-flowered.
    Pedicels densely puberulent, sometimes with scattered longer hairs, sometimes stipitate-glandular.
    epicalyx bractlets often absent, 0.5–2 mm;
    sepals erect-spreading but soon reflexed, 2.5–5.5 mm;
    petals spreading, yellow, obovate, broadly elliptic, or suborbiculate, 3.5–7 mm, longer than sepals, apex rounded.
    Fruiting tori sessile or on less than 1 mm stipes, puberulent.
    Fruiting styles geniculate-jointed, proximal segment persistent, 2.5–6 mm, apex hooked, sparsely to densely stipitate-glandular, distal segment deciduous, 1–2 mm, pilose in basal 1/3, hairs much longer than diam. of style.