Draba macounii O. E. Schulz in H. G. A. Engler (Q3517)
Draba macounii is a taxon with the rank species within the genus Draba
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Draba macounii O. E. Schulz in H. G. A. Engler
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Draba macounii is a taxon with the rank species within the genus Draba
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Statements
taxon/id/Draba macounii O.E. Schulz
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Draba macounii O.E. Schulz
Draba macounii
O.E. Schulz
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-NT
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Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 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-AB
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CA-BC
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CA-YT
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US-AK
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US-MT
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700-2800 m
700 meter
2,800 meter
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Stems unbranched, (0.06–) 0.1–0.4 (–0.6) dm, usually pubescent, rarely glabrous, trichomes simple and stalked, 2–4-rayed, 0.15–0.9 mm.
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Basal leaves rosulate;
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petiole (obscure), margin ciliate, (trichomes simple, 0.3–1 mm);
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blade oblanceolate to obovate, (0.4–) 0.6–1 (–1.5) cm × (1–) 2–4 mm, margins entire, surfaces usually pubescent abaxially, rarely glabrous, with short-stalked, 2–5-rayed trichomes, 0.1–0.5 mm, adaxially glabrous or pubescent with simple and short-stalked, 2-rayed trichomes.
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Racemes 3–10 (–13) -flowered, ebracteate, (subumbellate), slightly elongated in fruit;
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Fruiting pedicels horizontal to divaricate (not expanded basally), curved upward, 1.5–4.5 (–6) mm, abaxially pubescent as stem, adaxially usually glabrous, rarely throughout.
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Flowers: sepals ovate, 1.5–2.5 mm, glabrous or pubescent, (trichomes simple and short-stalked, 2-rayed or 3-rayed);
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petals pale-yellow, spatulate, 2.7–4 × 1–2 mm;
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anthers ovate, 0.2–0.3 mm.
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Fruits subglobose to ovoid or ellipsoid, plane, inflated at least basally, 4–8 × 2–4.5 mm;
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ovules 10–14 (–16) per ovary;
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style 0.1–0.5 mm.
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Seeds ovoid, 1–1.2 × 0.6–0.8 mm. 2n = 64.
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subglobose
ovoid or ellipsoid
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inflated
at-least basally; basally
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