Lepidium didymum Linnaeus (Q3724)

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

    Statements

    taxon/id/Lepidium didymum Linnaeus
    0 references
    Lepidium didymum Linnaeus
    Lepidium didymum
    Linnaeus
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    corne-de-cerf didyme (French)
    sénebière didyme (French)
    corne-de-cerf à deux lobes (French)
    lesser swinecress (English)
    lesser wartcress (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
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    1 reference
    Scoggan, H.J. 1978-79. The Flora of Canada. Parts 1-4. National Museum of Natural Sciences, Publications in Botany 7. 4 volumes.
    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
    Vascular Plant Herbarium (DAO), Agriculture and Agri-Food Canada, Ottawa, ON. http://res2.agr.ca/ecorc/dao/index_e.htm
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    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 Unpublished list (MT).
    South America
    also in Mexico (Sinaloa)
    Central America (Honduras)
    Europe
    s Africa
    Australia
    Flowering Mar–Jul.
    roadsides
    waste areas
    pastures
    fields
    gardens
    disturbed areas
    Stems few to several from base, erect to ascending or decumbent, branched distally, 1–4.5 (–7) dm.
    petiole 0.5–4 (–6) cm;
    blade 1-pinnatisect or 2-pinnatisect, 1–6 (–8) cm, margins (of lobes) entire or dentate (sometimes deeply lobed).
    Cauline leaves shortly petiolate to subsessile;
    blade similar to basal, smaller and less divided distally, lobes lanceolate to oblong or elliptic, 1.5–3.5 (–4.5) cm ×5–12 mm, base not auriculate, margins (of lobes) entire, serrate, or incised.
    Racemes elongated in fruit;
    rachis glabrous or pubescent, trichomes straight, cylindrical.
    Fruiting pedicels divaricate to horizontal, straight slightly recurved, (terete), 1.4–2.5 (–4) × 0.15–2 mm, glabrous or sparsely pubescent adaxially.
    Flowers: sepals (tardily deciduous), ovate, 0.5–0.7 (–0.9) mm;
    petals white, elliptic to linear, 0.4–0.5 × ca. 0.1 mm, claw absent;
    stamens 2, median;
    filaments 0.3–0.6 mm;
    anthers 0.1–0.2 mm.
    Fruits schizocarpic, didymous, 1.3–1.7 × 2–2.5 mm, apically not winged, apical notch 0.2–0.4 mm deep;
    valves thick, rugose, strongly veined, glabrous;
    style absent or obsolete, included in apical notch.
    Seeds ovate, 1–1.2 × 0.7–0.8 mm. 2n = 32.