Crataegus gaylussacia A. Heller (Q4368)

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Crataegus gaylussacia is a taxon with the rank species within the series Crataegus ser. Douglasianae
Language Label Description Also known as
English
Crataegus gaylussacia A. Heller
Crataegus gaylussacia is a taxon with the rank species within the series Crataegus ser. Douglasianae

    Statements

    taxon/id/Crataegus gaylussacia A. Heller
    0 references
    Crataegus gaylussacia A. Heller
    Crataegus gaylussacia
    A. Heller
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Crataegus gaylussacia
    aubépine de Suksdorf (French)
    Suksdorf's hawthorn (English)
    aubépine à fruits de gaylussaquier (French)
    huckleberry hawthorn (English)
    Huckleberry or Suksdorf hawthorn (English)
    Flowering Apr–May; fruiting Sep–Oct.
    Shrubs, 30–100 dm.
    Stems: 1-year old twigs tan, older grayish;
    thorns on twigs recurved or straight, dark-brown young, 1–2 (–2.5) cm.
    Leaves: petiole 0.7–1.5 cm, glabrous, eglandular, sometimes glandular (Montana);
    blade ± rhombic-elliptic to elliptic-obovate or broadly ovate, 3–8 cm, lobes 0, or 2 or 3 per side, lobe apex acute to obtuse, margins serrate, teeth glandular in Montana, venation ± semicamptodromous, veins 3 or 4 per side, apex obtuse, abaxial surface ± glabrate, adaxial appressed-pubescent, hairy near veins in Oregon.
    Inflorescences 7–15-flowered;
    branches punctate, glabrous, sometimes densely pubescent (coastal Washington);
    bracteole margins stipitate or sessile-glandular.
    Flowers 15–17 mm diam.;
    hypanthium glabrous;
    sepals triangular, 4 mm, margins minutely and sparsely glandular-serrate, glabrous;
    stamens 20, anthers pink;
    Pomes dull vinous purple becoming black mature, suborbicular to broadly ovoid, 8–10 mm diam., glabrous;
    sepals reflexed, apex obtuse;
    pyrenes 4 or 5, sides eroded.