Draba densifolia Nuttall in J. Torrey and A. Gray (Q3508)
Draba densifolia is a taxon with the rank species within the genus Draba
| Language | Label | Description | Also known as |
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| English |
Draba densifolia Nuttall in J. Torrey and A. Gray
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Draba densifolia is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba densifolia Nuttall
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Draba densifolia Nuttall
Draba densifolia
Nuttall
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-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-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-YT
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Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
CA-AB
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CA-BC
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US-AK
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US-CA
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US-ID
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US-NV
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US-OR
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US-UT
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US-WA
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US-WY
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800-3700 m
800 meter
3,700 meter
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Stems unbranched, (0.05–) 0.2–1 (–1.7) dm, usually glabrous, rarely pubescent, trichomes usually simple, 0.3–0.8 mm, and 2–4 (or 5) -rayed, 0.1–0.6 mm, (rarely predominantly simple ones).
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blade linear to oblong or oblanceolate-linear, 0.3–0.9 (–1.4) cm × 0.5–1.5 (–2) mm, margins entire, (ciliate, trichomes simple, 0.3–1.2 mm), surfaces glabrous or sparsely pubescent, abaxially with short-stalked, 2–4-rayed trichomes, 0.1–0.3 mm (midvein prominent), adaxially rarely with subapical, simple trichomes.
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Racemes 2–10 (–22) -flowered, ebracteate, not or slightly elongated in fruit;
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Fruiting pedicels divaricate-ascending to ascending (not decurrent basally), straight, (0.7–) 1.5–10 (–25) mm, usually glabrous, rarely sparsely pubescent, trichomes predominantly simple (0.2–0.7 mm), sometimes 2–4 (or 5) -rayed, (0.1–0.5 mm).
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Flowers: sepals ovate, 2–3 mm, usually sparsely pubescent, rarely glabrous, (trichomes simple and short-stalked, 2–4-rayed);
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petals pale-yellow (sometimes fading white), oblanceolate to obovate, 2–5 × 1–1.7 (–2) mm;
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anthers ovate or oblong, 0.4–0.6 mm.
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Fruits ovoid or ovatelanceolate, plane (not curved), flattened, (2.5–) 3–6 (–8) × 2–3 mm;
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valves pubescent or puberulent, trichomes simple and short-stalked, 2–5-rayed, 0.1–0.4 mm;
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ovules 4–12 per ovary;
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style 0.3–0.6 (–1) mm.
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oblong or oblanceolate-linear
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