Sibbaldia Linnaeus (Q4052)

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Sibbaldia is a taxon with the rank genus within the tribe Potentilleae
Language Label Description Also known as
English
Sibbaldia Linnaeus
Sibbaldia is a taxon with the rank genus within the tribe Potentilleae

    Statements

    taxon/id/Sibbaldia Linnaeus
    0 references
    Sibbaldia Linnaeus
    Sibbaldia
    Linnaeus
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    North America
    c Mexico
    Eurasia
    Herbs, perennial, [0.1–] 0.2–1.5 (–2) [–3] dm, [subglabrous or] sparsely strigose to subappressed pilose [to densely tomentose or sericeous];
    horizontal rootstocks branched, compact, woody.
    Stems 1–10+, prostrate to ascending [or erect], green to reddish.
    Leaves deciduous or marcescent, mostly basal, alternate, ternate [or simple];
    stipules persistent, basally adnate to petiole, sheathing, lanceolate to ovate, margins entire;
    blade bluntly ovate to obovate [or cordate] in outline, 1–3 [–4] cm, foliaceous, leaflets 3, cuneate or oblanceolate to broadly elliptic or obovate to nearly orbiculate, margins flat, shallowly (2–) 3 (–5) [–7] -toothed apically, central tooth usually shorter than others, venation pinnate, surfaces often more densely strigose on veins and margins, sometimes glabrous.
    Inflorescences terminal, (1–) 3–12-flowered, loosely capitate or corymbose (or flowers solitary);
    bracts present, reduced;
    bracteoles absent.
    Pedicels present, straight or curved.
    Flowers 4–7 [–10] mm diam.;
    epicalyx bractlets 5;
    hypanthium shallowly cupulate, 0.5–2 × 2–4 [–5] mm, usually strigose, sometimes glabrous;
    sepals 5, spreading, broadly lanceolate to ovate;
    petals 5, ± yellow, oblanceolate [to obovate], shorter [to slightly longer] than sepals;
    stamens 5 [rarely 10], shorter than petals, filaments columnar, glabrous, anthers with theca solitary, ± horseshoe-shaped, rimming an indistinct connective, dehiscing by continuous marginal slit;
    torus hemispheric;
    carpels 5–15 [–30], glabrous, styles lateral, narrowly clavate;
    Fruits aggregated achenes, individually deciduous, 5–15 [–30], obliquely ovoid, 1.2–1.7 mm, glabrous;
    hypanthium persistent;
    sepals persistent, erect;