Amelanchier nantucketensis E.P.Bicknell
  • Nantucket shadbush


Cite taxon page as 'WFO (2020): Amelanchier nantucketensis E.P.Bicknell. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001003805. Accessed on: 27 May 2020'

General Information

Shrubs, 0.3–2.5 m. Stems 1–70, rhizomatous, suckering and forming colonies. Leaves less than half-unfolded; petiole (6–)9–15(–22) mm; blade elliptic to oblanceolate or oblong-elliptic, (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.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Other Local Names

    NameLanguageCountry
    Nantucket shadbush

     Information From

    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • B CC0 1.0 Universal (CC0 1.0).