Potentilla villosa Pallas ex Pursh (Q4014)

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Potentilla villosa is a taxon with the rank species within the section Potentilla sect. Niveae
Language Label Description Also known as
English
Potentilla villosa Pallas ex Pursh
Potentilla villosa is a taxon with the rank species within the section Potentilla sect. Niveae

    Statements

    taxon/id/Potentilla villosa Pallas ex Pursh
    0 references
    Potentilla villosa Pallas ex Pursh
    Potentilla villosa
    Pallas ex Pursh
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    potentille villeuse (French)
    villous cinquefoil (English)
    Villous cinquefoil (English)
    1 reference
    Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
    e Asia (Russian Far East)
    Flowering spring–summer.
    sea cliffs
    gravel beaches
    alpine outcrops
    southern populations
    pumice barrens
    rock ledges
    0–100(–1800) m
    Plants ± to densely tufted.
    Caudex branches stout, sometimes short-columnar, not sheathed with marcescent whole leaves.
    Stems ascending, 0.5–2 (–2.5) dm, lengths 1.5–3 times basal leaves.
    Basal leaves 2–12 (–15) cm;
    petiole 1–9 (–12) cm, long hairs ± abundant to dense, spreading to ascending, 1–2.5 (–3) mm, soft to weak, smooth, crisped hairs absent or sparse, cottony hairs absent, glands sparse to common, sometimes obscured;
    leaflets usually ± overlapping, central broadly obovate to suborbiculate, (0.5–) 1.5–2.5 (–3) × (0.5–) 1.5–2.6 (–3.2) cm, sessile to subsessile, base cuneate to rounded, margins revolute, distal 1/2–2/3 (–3/4) incised 1/4–1/2 to midvein, teeth 3–6 (–7) per side, ± approximate to ± distant, surfaces ± dissimilar, abaxial yellowish or grayish white, long hairs 1–2 mm, cottony-crisped hairs ± dense, adaxial grayish green, long hairs abundant to dense, crisped hairs absent, sparse, or obscured.
    Cauline leaves (0–) 1–2.
    Inflorescences (1–) 2–7 (–10) -flowered.
    Pedicels 0.5–3 (–4) cm in flower, to 4 cm in fruit.
    Flowers: epicalyx bractlets ovate to oval-elliptic, 3–8 × 2–5 mm, 2/3 to as wide as sepals, margins strongly revolute, red-glands absent;
    hypanthium 5–7 mm diam.;
    sepals 4–8 mm, apex ± acute;
    petals (5–) 7–15 × 7–16 mm, significantly longer than sepals;
    filaments 1.8–2.1 mm, anthers 0.7–0.8 mm;
    carpels 150–250, apical hairs usually absent, rarely present (cottony), styles narrowly conic to tapered, ± papillate-swollen on proximal 1/5–1/2, 0.9–1.1 mm.
    Achenes 0.9–1.3 mm. 2n = 14.