Amelanchier arborea (F.Michx.) Fernald
  • Downy shadbush


Cite taxon page as 'WFO (2020): Amelanchier arborea (F.Michx.) Fernald. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001009221. Accessed on: 04 Jun 2020'

General Information

Shrubs or trees, 2–20 m. Stems 1–20, solitary or in colonies. Leaves less than half-unfolded; petiole (5.5–)12–20.6(–29.2) mm; blade ovate to obovate, (30–)47–68(–93) × (16–)26–40(–56) cm, base cordate to rounded, each margin with (0–)11–21(–30) teeth on proximal 1/2 and (3–)5–9(–13) teeth in distalmost cm, largest teeth less than 1 mm, apex acute to acuminate, abaxial surface densely (moderately) hairy by flowering, glabrous or sparsely to moderately hairy later, adaxial glabrous or sparsely (moderately) hairy later. Inflorescences (3–)6–12(–15)-flowered, (19–)30–55(–79) mm. Pedicels: 0 or 1 subtended by a leaf, proximalmost (5–)10–20(–32) mm. Flowers: sepals soon reflexed after flowering, (1.6–)2.3–3.7(–5.3) mm; petals linear to oblong, (8–)10–15(–19) × (2–)3.1–5(–6.8) mm; stamens (16–)20(–21); styles (3–)5(or 6), (2.1–)3.2–4.2(–5.5) mm; ovary apex glabrous or sparsely (densely) hairy. Pomes maroon-purple, 6–10 mm diam. 2n = 2x, 4x.

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

    "Much like no. 9 [Amelanchier laevis Wiegand], seldom only 2 m tall; lvs typically oblong-obovate, much less than half-grown at anthesis, densely pubescent beneath when young, not (or scarcely) coppery, usually glabrous or nearly so at maturity; pedicels shorter, mostly not over 2 cm even in fr, often silky; sep 2–3 mm; pet (10–)12–15+ mm; ovary glabrous at the summit, varying to occasionally somewhat tomentose; fr dark red-purple, tending to be dry and insipid; mostly diploid. Dry or rocky upland woods; Me. and N.B. and s. Que. to sw. Ont. and Minn., s. to Ga., nw. Fla., La., and e. Okla. (A. arborea var. cordifolia)"

  • Provided by: [A].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Other Local Names

    NameLanguageCountry
    Downy shadbush

      Bibliography

     Information From

    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • A Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    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.
    • B Flora of North America Association
    Global Tree Assessment
    http://www.bgci.org/
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at www.bgci.org. Accessed on 30/11/2018.
    • C Botanic Gardens Conservation International
    Rosaceae
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).