Amelanchier nantucketensis E. P. Bicknell (Q4204)

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Amelanchier nantucketensis is a taxon with the rank species within the genus Amelanchier
Language Label Description Also known as
English
Amelanchier nantucketensis E. P. Bicknell
Amelanchier nantucketensis is a taxon with the rank species within the genus Amelanchier

    Statements

    taxon/id/Amelanchier nantucketensis E.P. Bicknell
    0 references
    Amelanchier nantucketensis E.P. Bicknell
    Amelanchier nantucketensis
    E.P. Bicknell
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Amelanchier nantucketensis
    amélanchier de Nantucket (French)
    Nantucket serviceberry (English)
    Nantucket shadbush (English)
    Nantucket shadbush (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 Mar–May; fruiting Jun–Jul.
    fields
    sand-plain grasslands
    heaths
    glacial outwash plains
    forest openings
    disturbed sites
    stream shores
    dry habitats
    ditches
    swales
    Shrubs, 0.3–2.5 m.
    Stems 1–70, rhizomatous, suckering and forming colonies.
    petiole (6–) 9–15 (–22) mm;
    blade elliptic to oblanceolate or oblongelliptic, (11–) 29–41 (–55) × (13–) 19–29 (–42) mm, base rounded to cuneate, each margin with 0–4 (–10) teeth on proximal 1/2 and (0–) 3–8 (–12) teeth in distalmost cm, largest teeth less than 1 mm, apex subacute to rounded and mucronate, abaxial surface densely (moderately) hairy by flowering, surfaces sparsely hairy (or glabrous) later.
    Inflorescences (4–) 6–8 (–11) -flowered, (12–) 24–36 (–53) mm.
    Pedicels: (0 or) 1 (or 2) subtended by a leaf, proximalmost (4–) 7–14 (–38) mm.
    Flowers: sepals irregularly spreading or recurved after flowering, (1.3–) 2–3 (–3.9) mm;
    petals spatulate to oblong, (2.2–) 3–4.5 (–6.8) × (0.6–) 1–2 (–3) mm, sometimes bearing 1 or 2 tiny pollen-sacs near margins on adaxial surfaces;
    stamens (12–) 18–20;
    styles (4 or) 5, (1.7–) 2.6–3.7 (–4.3) mm;
    ovary apex glabrous or sparsely to densely hairy.
    Pomes dark purple-blue, 7.5–10 mm diam. 2n = 4x.