Draba arctica J. Vahl in G. C. Oeder et al. (Q3500)
Draba arctica is a taxon with the rank species within the genus Draba
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| English |
Draba arctica J. Vahl in G. C. Oeder et al.
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Draba arctica is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba arctica J. Vahl
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Draba arctica J. Vahl
Draba arctica
J. Vahl
FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
accepted
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CA-QC
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Herbier Louis-Marie (QFA). Université Laval, QC. Spécimen. http://www.herbier.ulaval.ca
CA-NT
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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.
CA-NU
1 reference
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
1 reference
Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.
CA-NU
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Stems unbranched, 0.3–1.7 (–2.4) dm, pubescent, trichomes 4–10-rayed (rays sometimes branched), 0.1–0.3 mm, with fewer, simple ones, to 0.7 mm.
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petiole base ciliate, (trichomes simple, 0.2–0.8 mm);
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blade oblanceolate to narrowly obovate, 0.4–2.3 (–3) cm × 1.5–6.5 mm, margins usually entire, rarely with 1 tooth on each side, surfaces densely pubescent with minutely stalked, 8–12-rayed, stellate trichomes, 0.2–0.4 mm, sometimes with coarser, simple or 2-rayed ones, (midvein distinct abaxially).
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blade ovate or oblong to lanceolate, margins entire, surfaces pubescent as basal.
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Racemes 3–18 (–25) -flowered, ebracteate, elongated in fruit;
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Fruiting pedicels divaricate-ascending or ascending, straight, (1.5–) 2–6 mm, pubescent, trichomes stalked, stellate, and, sometimes, simple.
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Flowers: sepals ovate, 2–2.5 mm, pubescent, (trichomes short-stalked, 2-rayed or 3-rayed, and simple);
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petals white, spatulate to obovate, 3.5–6 × 1.8–2 mm;
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anthers ovate, 0.3–0.4 mm.
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Fruits oblong to lanceolate, plane, slightly flattened, (5–) 6–11 × 2–3 mm;
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valves pubescent, trichomes short-stalked, 2–5-rayed (some rays branched), 0.05–0.3 mm;
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ovules 20–32 per ovary;
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style 0.1–1 mm (stigma distinctly wider than style).
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Seeds ovoid, 0.8–1.1 × (0.6–) 0.7–0.8 mm. 2n = 80.
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oblanceolate
narrowly obovate
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