Barbarea verna (Miller) Ascherson (Q3566)

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Barbarea verna is a taxon with the rank species within the genus Barbarea
Language Label Description Also known as
English
Barbarea verna (Miller) Ascherson
Barbarea verna is a taxon with the rank species within the genus Barbarea

    Statements

    taxon/id/Barbarea verna (Miller) Ascherson
    0 references
    Barbarea verna (Miller) Ascherson
    Barbarea verna
    (Miller) Ascherson
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    barbarée printanière (French)
    early wintercress (English)
    early yellow rocket (English)
    Belle Isle cress (English)
    land cress (English)
    scurvygrass (English)
    American cress (English)
    Early winter or Belle Isle or American or land cress (English)
    scurvygrass (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.
    Newfoundland, CA
    1 reference
    Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
    1 reference
    Etcheberry, R. 1989. Plantes de Saint-Pierre et Miquelon. Unpublished list (MT).
    Europe
    s Africa
    also in Mexico
    South America (Argentina)
    South America (Brazil)
    South America (Chile)
    Australia
    Flowering Mar–Jul.
    waste grounds
    fields
    limestone glades
    rocky outcrops
    railroad embankments
    disturbed sites
    roadsides
    mostly glabrous, except blade auricles ciliate.
    Stems (1–) 2.5–8 dm.
    Basal leaves: petiole (0.5–) 1–6 (–8) cm;
    blade pinnatifid to pinnatisect, 1.5–11 cm, lobes (3–) 6–10 on each side, lateral lobes oblong or ovate, 0.4–3 cm × 1–10 mm, not fleshy, margins entire, terminal lobe considerably larger than lateral ones, 1–5 cm × 10–350 mm.
    Cauline leaves: blade pinnatisect, lateral lobes 1–4, (oblong to lanceolate), margins often entire, rarely coarsely toothed;
    conspicuously auriculate, auricles ovate or narrowly oblong, (to 10 × 4 mm, margins entire).
    Fruiting pedicels divaricate to ascending, (2–) 3–6 (–7) mm, terete, stout (almost as broad as fruit).
    Flowers: sepals 3–5 × 0.7–1.5 mm, lateral pair slightly saccate basally, margins scarious;
    petals yellow or pale-yellow, oblanceolate to spatulate, (5–) 6–7 (–8.5) × 1.5–3 mm, base cuneate, apex truncate or emarginate;
    filaments 3–5 mm;
    anthers 0.8–1.2 mm;
    ovules (34–) 38–48 (–52) per ovary;
    gynophore to 0.3 mm.
    Fruits erect to ascending, not appressed to rachis, torulose, subterete to slightly latiseptate, (4.5–) 5.3–7 (–8) cm × 1.5–2 mm;
    style stout, 0.2–1 (–2) mm.
    Seeds dark-brown, somewhat plump, oblong or quadrate, 1.8–2.5 × 1.4–1.6 mm. 2n = 16.