Difference between revisions of "Potentilla vahliana Lehmann (Q4011)"
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Latest revision as of 13:32, 24 June 2022
Potentilla vahliana is a taxon with the rank species within the section Potentilla sect. Niveae
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Potentilla vahliana Lehmann
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Potentilla vahliana is a taxon with the rank species within the section Potentilla sect. Niveae
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taxon/id/Potentilla vahliana Lehmann
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Potentilla vahliana Lehmann
Potentilla vahliana
Lehmann
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-QC
1 reference
Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NU
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Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L., McJannet, R.L., Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, L.J. Gillespie, A.K. Brysting, H. Solstad & J.G. Harris. 2007. Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. [CD-ROM] NRC Research Press, National Research Council of Canada, Ottawa.
Greenland, GL
present
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Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.
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Plants densely tufted to cushion-forming.
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Caudex branches usually stout, columnar, sheathed with marcescent whole leaves.
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Stems erect, (0.2–) 0.3–0.8 (–1) dm, lengths 2–4 (–5) times basal leaves.
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Basal leaves 1–3 cm;
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petiole 0.5–2 cm, long hairs common to abundant, ascending to spreading, 0.5–1.5 (–2) mm, soft to weak, smooth, short hairs absent, crisped/short-cottony hairs sparse to abundant, glands sparse to common;
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leaflets separate to slightly overlapping, central obovate, 0.8–1.2 (–1.5) × 0.5–1 (–1.5) cm, sessile or subsessile, base cuneate, margins revolute, distal ± 1/2 incised (1/3–) 1/2–3/4 to midvein, teeth 2–3 per side, ± approximate to distant, surfaces ± dissimilar, abaxial yellowish white or grayish, long hairs 1–2 mm, cottony-crisped hairs ± dense, adaxial green to yellowish gray, long (/short) hairs common to abundant, crisped hairs absent or sparse.
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Cauline leaves 0–1 (–2).
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Inflorescences 1–2 (–3) -flowered.
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Pedicels 0.5–1.5 cm in flower, to 3.5 cm in fruit.
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Flowers: epicalyx bractlets broadly ovate, 2.5–4 (–5) × 1.5–3 mm, ± as wide as sepals, margins flat or revolute, red-glands absent;
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hypanthium 2–4 mm diam.;
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sepals 2.5–5 (–6) mm, apex subacute to acute;
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petals 8–10 × 7–12 mm, significantly longer than sepals;
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filaments 1–1.2 mm, anthers 0.4–0.6 mm;
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carpels 30–40, apical hairs absent, styles narrowly columnar, distinctly papillate-swollen at very base, 1–1.1 mm.
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Achenes 1.1–1.5 mm. 2n = 42, 49, 56.
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2-4(-5) times basal leaves
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