Crataegus jesupii Sargent (Q4296)

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

    Statements

    taxon/id/Crataegus jesupii Sargent
    0 references
    Crataegus jesupii Sargent
    Crataegus jesupii
    Sargent
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    aubépine de Jesup (French)
    Jesup's hawthorn (English)
    Jesup hawthorn (English)
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    Flowering May; fruiting Sep–Oct.
    Shrubs or trees, 70 dm.
    thorns on twigs recurved to ± straight, 2-years old blackish, ± slender, 3–5 cm.
    Leaves: petiole 2–4 cm, glabrous, glandular;
    blade sometimes ± blue-green mature, trullate-ovate, 4–7 cm, thin but firm, base ± broadly cuneate, lobes 3 or 4 per side, sinuses deep, angled, lobe apex often ± aligned, acuminate, margins serrate, proximal teeth gland-tipped, veins 4 or 5 per side, apex acute, abaxial surface glabrous, adaxial short-pubescent young, soon glabrescent.
    Inflorescences 4–8-flowered;
    branches glabrous;
    bracteoles few, margins glandular.
    Flowers 15–18 mm diam.;
    hypanthium glabrous;
    sepals ± triangular, 4–6 mm, margins entire or glandular-serrate;
    stamens 10 (20), anthers pink or rose;
    Pomes red, pyriform-oblong, 8–10 mm diam., slightly pruinose;
    sepals spreading;
    pyrenes 3–5, dorsally grooved.