Potentilla sect. Graciles (Rydberg) A. Nelson (Q3983)

From Canadian Flora Commons
Jump to navigation Jump to search
Potentilla sect. Graciles is a taxon with the rank section within the genus Potentilla
Language Label Description Also known as
English
Potentilla sect. Graciles (Rydberg) A. Nelson
Potentilla sect. Graciles is a taxon with the rank section within the genus Potentilla

    Statements

    taxon/id/Potentilla sect. Graciles (Rydberg) A. Nelson
    0 references
    Potentilla sect. Graciles (Rydberg) A. Nelson
    Potentilla sect. Graciles
    (Rydberg) A. Nelson
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Potentilla sect. Graciles
    North America
    Mexico
    taproots not fleshy-thickened;
    vestiture of long, short-crisped, and sometimes cottony (/crisped) hairs, glands absent or sparse to abundant, sometimes red (P. pulcherrima).
    Stems decumbent to erect, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, (0.5–) 2–7 (–10) dm, lengths (1.5–) 2–4 times basal leaves.
    Leaves: basal sometimes 2-ranked;
    cauline (0–) 1–4 (–5);
    primary leaves palmate to subpalmate, sometimes subpinnate (with distal leaflets ± confluent), not flagelliform, 2–40 cm;
    petiole: long hairs spreading to appressed, weak to stiff, glands absent or sparse to abundant;
    leaflets 5–9, at tip or on up to distal 1/4 (–3/4) of leaf axis, overlapping or not, narrowly oblanceolate, elliptic, or cuneate to obovate, margins flat to ± revolute, distal 1/4 to nearly whole length evenly to unevenly incised 1/4 to nearly to midvein, teeth (1–) 2–10 (–12) per side, surfaces similar to strongly dissimilar, abaxial green to white, cottony hairs absent or sparse to dense, adaxial green to grayish, sometimes blue-green and glaucous, long hairs mostly weak, sometimes stiff, soft, or absent.
    Inflorescences (2–) 5–50 (–70) -flowered, cymose, ± to very open.
    Pedicels straight in fruit, 0.2–3 (–6.5) cm, proximal often much longer than distal.
    Flowers 5-merous;
    hypanthium (3–) 3.5–6 (–8) mm diam.;
    petals bright-yellow, ± obcordate, (3–) 4–10 (–12) mm, usually longer than sepals, apex retuse;
    styles subapical, filiform to tapered, papillate-swollen in proximal 1/10–1/3 (–2/3), (1–) 1.5–3 mm.