Difference between revisions of "Draba verna Linnaeus (Q3537)"

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morphology statement value: 4-20(-30)-flowered
 
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morphology statement value: 4-20(-30)-flowered
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Latest revision as of 12:58, 24 June 2022

Draba verna is a taxon with the rank species within the genus Draba
Language Label Description Also known as
English
Draba verna Linnaeus
Draba verna is a taxon with the rank species within the genus Draba

    Statements

    taxon/id/Draba verna Linnaeus
    0 references
    Draba verna Linnaeus
    Draba verna
    Linnaeus
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    drave printanière (French)
    spring draba (English)
    spring whitlowgrass (English)
    vernal whitlowgrass (English)
    common draba (English)
    common whitlowgrass (English)
    Whitlow grass (English)
    whitlow wort (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
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    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
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    Europe
    nw Africa
    also in Central America
    South America
    Australia
    Flowering Feb–May.
    cedar glades
    fields
    pastures
    waste places
    grassy hillsides
    disturbed sites
    roadsides
    Stems (few-to-many from base), unbranched, (0.2–) 0.5–2 (–3) dm, pubescent proximally, glabrous distally, trichomes simple and 2 (–4) -rayed, 0.1–0.4 mm.
    blade obovate, spatulate, oblanceolate, lanceolate, oblong, or, rarely, linear, 0.2–1.8 (–3) cm × (0.5–) 1–5 (–10) mm, margins entire or 1–5-toothed on each side, surfaces pubescent with simple or stalked, 2–4-rayed trichomes, 0.1–0.5 mm.
    Racemes 4–20 (–30) -flowered, ebracteate, usually considerably elongated in fruit;
    Fruiting pedicels divaricate to ascending, straight or slightly curved upward, (2–) 5–20 (–35) mm, glabrous.
    Flowers: sepals (green or purplish), oblong, 1–2.5 mm, glabrescent or pubescent, (trichomes simple or 2-rayed);
    petals white, deeply 2-fid, (1.5–) 2–4.5 (–6) × 1–2 mm;
    anthers ovate, 0.2–0.4 mm.
    Fruits obovate, oblanceolate, lanceolate, elliptic, oblong, or linear, plane, flattened, (2.5–) 4–9 (–12) × 1.5–2.5 (–3.5) mm;
    ovules (20–) 32–70 (–84) per ovary;
    style 0.02–0.2 mm.
    Seeds ovoid (slightly flattened), 0.3–0.6 (–0.8) × 0.2–0.4 mm. 2n = 14, 16, 20, 24, 28, 30, 32, 34, 36, 38, 40, 52, 54, 58, 60, 64.