Draba corymbosa R. Brown ex de Candolle (Q3506)

From Canadian Flora Commons
Revision as of 12:01, 23 June 2022 by WikibaseAdmin (talk | contribs) (‎Changed an Item)
Jump to navigation Jump to search
Draba corymbosa is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba corymbosa R. Brown ex de Candolle
Draba corymbosa is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba corymbosa R. Brown ex de Candolle
    0 references
    Draba corymbosa R. Brown ex de Candolle
    Draba corymbosa
    R. Brown ex de Candolle
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave en corymbe (French)
    flat-top draba (English)
    Baffin Bay draba (English)
    Baffin Bay whitlowgrass (English)
    1 reference
    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.
    1 reference
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    1 reference
    Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
    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
    1 reference
    Böcher, T.W., B. Fredskild, K. Holmen & K. Jakobsen. 1978. Grønlands Flora. P. Haase & Søns Forlag, København. 326 pp.
    Greenland
    Europe (Norway)
    Europe (n Russia)
    e Asia (Russian Far East)
    e Asia (Siberia)
    Flowering Jun–Aug.
    moist tundra
    calcareous
    dolomitic rocks
    gravel beaches
    clay terraces
    Stems unbranched, (0.05–) 0.2–0.8 (–1.5) dm, pubescent throughout, trichomes simple and 2-rayed, 0.4–1 mm, with 3–5-rayed ones, 0.05–0.4 mm, (sometimes trichomes mostly simple).
    petiole base and margin ciliate, (trichomes often course, simple, 0.4–1.3 mm);
    blade oblanceolate to obovate, 0.6–1.8 cm × 1.5–5 mm, margins entire, surfaces pubescent, abaxially with stalked, 2–6-rayed trichomes, 0.2–0.6 mm, adaxially with primarily simple and stalked, 2-rayed trichomes, to 1.1 mm, with 3–5-rayed ones, 0.2–0.4 mm.
    Racemes 2–9 (–12) -flowered, ebracteate, (corymbose), slightly elongated in fruit;
    Fruiting pedicels divaricate-ascending, straight or slightly curved upward, 4–11 (–16) mm, pubescent, trichomes simple and 2–4-rayed.
    Flowers: sepals (grayish green), broadly ovate, 2.2–3 mm, pubescent, (trichomes simple, to 1 mm, sometimes with stalked, smaller, 2–4-rayed ones);
    petals (broadly patent), yellow, obovate, 4–6 × 3–5 mm;
    anthers ovate, 0.3–0.4 mm.
    Fruits oblong or ovate, plane, flattened, 6–12 × 3.5–5.5 mm;
    valves pubescent or puberulent, trichomes simple, 0.1–0.4 mm, (sometimes with short-stalked, 2-rayed or 3-rayed ones);
    ovules 12–24 per ovary;
    style 0.6–1 mm (stigma distinctly wider than style).
    Seeds (brown), ovoid, 1–1.3 × 0.6–0.9 mm. 2n = 128, 144.