Draba ventosa A. Gray (Q3536)
Draba ventosa is a taxon with the rank species within the genus Draba
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Draba ventosa A. Gray
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Draba ventosa is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba ventosa A. Gray
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Draba ventosa A. Gray
Draba ventosa
A. Gray
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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Argus, G.W. & D.J. White. 1978. Rare Vascular Plants of Alberta. Syllogeus 17. 46 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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CA-YT
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US-CO
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US-UT
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US-WY
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2000-4000 m
2,000 meter
4,000 meter
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Stems unbranched, (0.1–) 0.2–0.4 (–0.6) dm, densely pubescent throughout, trichomes 2–6-rayed, 0.1–0.6 mm.
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petiole base and margin not ciliate;
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blade obovate to oblanceolate, (0.4–) 0.5–1 cm × 1.5–4.5 mm, margins entire, surfaces densely pubescent with stalked, 2–6-rayed trichomes, (0.1–) 0.2–0.9 mm.
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Cauline leaves 0.
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Racemes 5–10 (–16) -flowered, ebracteate, slightly elongated in fruit;
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Fruiting pedicels horizontal to divaricate-ascending, straight or slightly curved upward, 2–7 (–9) mm, densely pubescent, trichomes 2–6-rayed, (0.1–0.6 mm).
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Flowers: sepals broadly ovate, 2–2.5 mm, pubescent, (trichomes short-stalked, 2–6-rayed);
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petals yellow, obovate, 3.5–5.5 × 1.5–3 mm;
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anthers oblong, 0.5–0.6 mm.
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Fruits suborbicular to broadly ovate, plane, inflated basally, flattened distally, 4–7.5 (–9) × 3.5–5 mm;
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valves densely pubescent, trichomes short-stalked, 2–6-rayed, 0.15–0.5 mm;
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ovules 8–12 per ovary;
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style (0.5–) 0.7–1.4 mm.
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Seeds oblong, 1.4–1.9 × 0.9–1.2 mm. 2n = 36.
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pubescent
densely; throughout
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