Lepidium perfoliatum Linnaeus (Q3732)

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Lepidium perfoliatum is a taxon with the rank species within the genus Lepidium
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English
Lepidium perfoliatum Linnaeus
Lepidium perfoliatum is a taxon with the rank species within the genus Lepidium

    Statements

    taxon/id/Lepidium perfoliatum Linnaeus
    0 references
    Lepidium perfoliatum Linnaeus
    Lepidium perfoliatum
    Linnaeus
    FNA Editorial Committee. 2010. Flora of North America north of Mexico. Volume 7: Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York.
    accepted
    lépidie perfoliée (French)
    passerage perfoliée (French)
    clasping-leaved peppergrass (English)
    clasping peppergrass (English)
    perfoliate peppergrass (English)
    yellow-flowered peppergrass (English)
    round-leaved peppergrass (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
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    1 reference
    FNA Editorial Committee. 2007. Flora of North America north of Mexico. Volume 24: Poaceae (part 1). Oxford University Press, New York. http://herbarium.usu.edu/webmanual/default.htm
    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.
    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
    Europe
    n Africa
    also in Mexico (Baja California)
    South America (Argentina)
    Australia
    Flowering Mar–Jun.
    waste places
    dry sandy slopes
    pinyon-juniper woodlands
    open deserts
    roadsides
    pastures
    meadows
    open grasslands
    alkaline flats
    fields
    disturbed sites
    Stems simple from base, erect, branched distally, (0.7–) 1.5–4.3 (–5.6) dm.
    Basal leaves rosulate;
    petiole (0.5–) 1–2 (–4) cm;
    blade 2-pinnatifid or 3-pinnatifid or pinnatisect (lobes linear to oblong), (1–) 3–8 (–15) cm, margins entire.
    Cauline leaves sessile;
    blade ovate to cordate or suborbicular, (0.5–) 1–3 (–4) cm × (5–) 10–25 (–35) mm, base deeply cordate-amplexicaul, not auriculate, margins entire.
    Racemes considerably elongated in fruit;
    Fruiting pedicels divaricate-ascending to horizontal, straight, (terete), 3–6 (–7) × 0.2–0.3 mm, glabrous.
    Flowers: sepals oblong, 0.8–1 (–1.3) × 0.5–0.8 mm;
    petals pale-yellow, narrowly spatulate, 1–1.5 (–1.9) × 0.2–0.5 mm, claw 0.5–1 mm;
    filaments 0.6–0.9 mm, (glabrous);
    anthers 0.1–0.2 mm.
    Fruits orbicular to rhombic or broadly obovate, 3–4.5 (–5) × 3–4.1 mm, apically winged, apical notch 0.1–0.3 mm deep;
    valves thin, smooth, not or obscurely veined, glabrous;
    style 0.1–0.4 mm, subequaling or slightly exserted beyond apical notch.
    Seeds (dark-brown), ovate, 1.6–2 (–2.3) × 1.2–1.4 mm. 2n = 16.