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
    0–400 m
    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.