Crataegus lumaria Ashe (Q4258)

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Crataegus lumaria is a taxon with the rank species within the series Crataegus ser. Rotundifoliae
Language Label Description Also known as
English
Crataegus lumaria Ashe
Crataegus lumaria is a taxon with the rank species within the series Crataegus ser. Rotundifoliae

    Statements

    taxon/id/Crataegus lumaria Ashe
    0 references
    Crataegus lumaria Ashe
    Crataegus lumaria
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    aubépine ronce (French)
    round-leaved hawthorn (English)
    aubépine de Jack (French)
    Jack's hawthorn (English)
    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.
    Flowering May; fruiting Sep–Oct.
    fallow pastures
    Shrubs or trees, 50 dm.
    thorns on twigs ± recurved, 1-year old shiny, dark-brown or black, older gray, slender, 2.5–7 cm.
    Leaves: petiole length 40–60% blade, glabrous, sparsely to densely minutely glandular;
    blade green, broadly rhombic to rhombic-ovate, or narrowly ovate to broadly elliptic, 2–4 (–5) cm, thin, base rounded to cuneate, lobes 3 or 4 per side, sinuses shallow, lobe apex acute, margins serrate, veins 4–6 per side, apex acute to obtuse, abaxial surface glabrous, adaxial glabrate young, soon glabrescent.
    Inflorescences 6–15-flowered;
    bracteoles usually hyaline, linear, membranous, margins of proximal bracteoles usually stipitate-glandular.
    Flowers 13–18 mm diam.;
    hypanthium glabrous;
    sepals narrowly triangular, 5 mm, margins entire, glandular;
    stamens 10, anthers ivory;
    Pomes yellowish, dull orange, or reddish, suborbicular, 7–12 mm diam., glabrous;
    pyrenes 2 or 3.2n = 68.