Lactuca sativa Linnaeus (Q3132)

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Lactuca sativa is a taxon with the rank species within the genus Lactuca
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English
Lactuca sativa Linnaeus
Lactuca sativa is a taxon with the rank species within the genus Lactuca

    Statements

    taxon/id/Lactuca sativa Linnaeus
    0 references
    Lactuca sativa Linnaeus
    Lactuca sativa
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    laitue cultivée (French)
    garden lettuce (English)
    cultivated lettuce (English)
    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
    Eurasia
    also in Mexico
    or ephemeral nearly worldwide
    Flowering mostly Jul–Sep.
    disturbed sites
    abandoned plantings
    10–1000 m
    blades of undivided cauline leaves ovate to orbiculate, margins entire or denticulate, seldom prickly, midribs rarely prickly-setose.
    Involucres 8–13+ mm.
    Phyllaries usually erect in fruit.
    Florets 7–15 (–30+);
    corollas yellow (sometimes streaked with violet), usually deliquescent.
    Cypselae: bodies pale grayish to whitish or tan, ± flattened, obovate, 3–4 mm, beaks ± filiform, 3–5 mm, faces 5–9-nerved;