Potentilla sect. Rubricaules (Rydberg) A. Nelson in J. M. Coulter and A. Nelson (Q4036)

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Potentilla sect. Rubricaules is a taxon with the rank section within the genus Potentilla
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Potentilla sect. Rubricaules (Rydberg) A. Nelson in J. M. Coulter and A. Nelson
Potentilla sect. Rubricaules is a taxon with the rank section within the genus Potentilla

    Statements

    taxon/id/Potentilla sect. Rubricaules (Rydberg) A. Nelson
    0 references
    Potentilla sect. Rubricaules (Rydberg) A. Nelson
    Potentilla sect. Rubricaules
    (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. Rubricaules
    North America
    Eurasia
    taproots not fleshy-thickened;
    vestiture of long, short, crisped, and/or cottony hairs, glands sparse to abundant, sometimes red.
    Stems decumbent to erect, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, (0.2–) 0.5–3 (–4) dm, lengths (1–) 1.5–4 (–6) times basal leaves.
    primary leaves usually palmate to subpalmate, sometimes some (rarely all) ternate, 1–10 cm;
    petiole: long hairs soft to stiff, ± appressed to spreading, glands sparse to abundant, sometimes absent;
    leaflets 3–5 (–7) (usually more than 3 on at least some leaves), usually at tip, sometimes to distal 1/6 (–1/4) of leaf axis, usually ± overlapping, oblanceolate to obovate, oblong, or elliptic, margins slightly to strongly revolute, distal 2/3 to whole length evenly incised 1/2–3/4+ to midvein, teeth 2–8 per side, surfaces ± to strongly dissimilar, abaxial usually grayish white to white, sometimes gray, cottony (or cottony-crisped) hairs abundant to dense, adaxial green to gray, not glaucous, long hairs soft to stiff.
    Inflorescences 1–12 (–20) -flowered, ± cymose, congested to open, sometimes solitary flowers.
    Pedicels ± straight in fruit, 0.2–2 (–5) cm, proximal often much longer than distal.
    Flowers 5-merous;
    hypanthium 2.5–6 mm diam.;
    petals pale-yellow or yellow, usually ± obcordate, (2–) 3–7 mm, equal to or distinctly longer than sepals, apex usually ± retuse;
    styles subapical, ± columnar to tapered, papillate-swollen in proximal 1/5–1/2, rarely to nearly whole length, 0.7–1.2 (–1.5 in P. paucijuga) mm.
    Achenes smooth to faintly rugose.