Crataegus jonesiae Sargent (Q4283)

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

    Statements

    taxon/id/Crataegus jonesiae Sargent
    0 references
    Crataegus jonesiae Sargent
    Crataegus jonesiae
    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 Jones (French)
    Jones' hawthorn (English)
    Miss Jones' hawthorn (English)
    Jones 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
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    1 reference
    Roland, A.E. & E.C. Smith. 1969. The Flora of Nova Scotia. Nova Scotia Museum, Halifax, N.S. [Reprinted from Proc. N.S. Inst. Sci. 26]
    Flowering Jun; fruiting Sep–Oct.
    woodland glades
    stream borders
    rocky banks
    Shrubs or trees, 60–70 dm.
    thorns on twigs: frequency not recorded, straight to recurved, 1-year old chestnut-brown, 2-years old shiny dark-brown or black, slender to stout, 3–6 cm.
    Leaves: petiole 1.5–3.5 cm, length 35–50% blade, pubescent, eglandular;
    blade broadly ovate to broadly rhombic-elliptic or nearly circular, 4–7 (–8) cm, length/width = 1–1.5, base tapered, wedge-shaped to subtruncate, lobes (4 or) 5–9 per side, obscure, lobe apex usually acute, margins doubly serrate, veins 5–10 per side, apex acute, abaxial surface densely appressed-pubescent on veins, adaxial appressed-pubescent young, sparsely pubescent or glabrescent later.
    Inflorescences 8–15 (–20) -flowered, lax;
    bracteoles membranous, margins glandular.
    Flowers 18–23 mm diam.;
    hypanthium densely pubescent;
    sepals 6–8 mm, margins ± entire, abaxially pubescent;
    stamens 10, anthers pink;
    styles 2 or 3 (or 4).
    Pomes bright red, oblong or obovoid, 10–15 mm diam., pubescent, glabrescent;
    sepals erect-patent;
    pyrenes 2 or 3 (or 4).