Crataegus suborbiculata Sargent (Q4300)

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Crataegus suborbiculata is a taxon with the rank species within the series Crataegus ser. Pruinosae
Language Label Description Also known as
English
Crataegus suborbiculata Sargent
Crataegus suborbiculata is a taxon with the rank species within the series Crataegus ser. Pruinosae

    Statements

    taxon/id/Crataegus suborbiculata Sargent
    0 references
    Crataegus suborbiculata Sargent
    Crataegus suborbiculata
    Sargent
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Crataegus suborbiculata
    aubépine suborbiculaire (French)
    Caughuawaga hawthorn (English)
    Caughnawaga 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–Jun; fruiting Sep–Oct.
    woodland margins
    Shrubs or trees, 80 dm.
    thorns on twigs straight, 2-years old blackish, usually shiny, ± slender, 2.5–4.5 cm.
    Leaves: petiole length 50–100% blade, eglandular or with 1–2 (–3) glands;
    blade broadly elliptic or rhombic to suborbiculate, 4–6 cm, thin, base cuneate to broadly cuneate, lobes 3 or 4 per side, sinuses shallow, lobe apex acute, margins serrate, eglandular, veins 5 or 6 per side, apex acute to obtuse, surfaces glabrous, adaxial sparsely hairy young.
    Inflorescences 5–10-flowered;
    branches glabrous;
    bracteoles sometimes absent, margins glandular.
    Flowers 20–24 mm diam.;
    sepals narrowly triangular, 5–6 mm, margins subentire, abaxially glabrous;
    stamens 20, anthers cream, pink, or red, 0.7 mm;
    Pomes pink mauve, ripening to orange-red or purplish, 10–14 mm diam., pruinose at first;
    sepals not on collar, spreading;
    pyrenes 3 or 4.2n = 68.