Draba porsildii G. A. Mulligan (Q3528)
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Draba porsildii is a taxon with the rank species within the genus Draba
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Draba porsildii G. A. Mulligan
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Draba porsildii is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba porsildii G.A. Mulligan
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Draba porsildii G.A. Mulligan
Draba porsildii
G.A. Mulligan
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-BC
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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.
CA-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-NT
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Al-Shebaz, I.A. & G.A. Mulligan. 2013. New or noteworthy species of Draba (Brassicaceae) from Canada and Alaska. Harvard Papers in Botany 18: 101-124.y
CA-AB
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CA-YT
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US-AK
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US-MT
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US-WY
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600-3000 m
600 meter
3,000 meter
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Stems unbranched, 0.2–1.2 dm, sparsely pubescent proximally, trichomes short-stalked, 3–5- rayed, (non-crisped), 0.2–0.4 mm, glabrous distally.
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subsessile or shortly petiolate;
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petiole base and margin ciliate proximally, (trichomes simple, subsetiform, stiff, 0.3–0.9 mm);
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blade oblanceolate to obovate, 0.4–1.5 cm × 1–3 mm, margins entire, surfaces pubescent, abaxially with stalked, 6–12-rayed, (non-crisped) trichomes, 0.2–0.5 mm, (midvein obscure), adaxially similar, or with simple trichomes on proximal 1/2.
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blade oblong to lanceolate, margins entire, surfaces pubescent as basal.
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Racemes 3–13-flowered, ebracteate, elongated in fruit;
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Fruiting pedicels divaricate-ascending, straight, 1–4 (–8) mm, glabrous.
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Flowers: sepals ovate, 1.5–2 mm, pubescent, (trichomes simple and 2-rayed);
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petals white, spatulate, 2–4 × 1–1.7 mm;
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anthers ovate, ca. 0.2 mm.
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Fruits ovate to oblong, plane, flattened, 4–7.5 × 1.7–3 mm;
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ovules 12–16 per ovary;
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style 0.1–0.3 (–0.5) mm.
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Seeds ovoid, 0.7–1 × 0.5–0.6 mm. 2n = 32.
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pubescent
sparsely; proximally
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