Amelanchier laevis Wiegand
  • Smooth shadbush, amélanchier glabre

Cite taxon page as 'WFO (2020): Amelanchier laevis Wiegand. Published on the Internet; Accessed on: 27 May 2020'

General Information

Shrubs or trees, 2–25 m. Stems 1–20, fastigiate, solitary or in colonies. Leaves less than half-unfolded; petiole (7–)15–26(–36) mm; blade elliptic to ovate to oblong or obovate, (32–)48–75(–100) × (19–)29–42(–60) mm, base subcordate to rounded, each margin with (0–)10–23(–38) teeth on proximal 1/2 and (1–)5–9(–13) teeth in distalmost cm, largest teeth less than 1 mm, apex acute to acuminate, abaxial surface glabrous (or sparsely hairy) by flowering, surfaces glabrous later. Inflorescences (4–)7–11(–14)-flowered, (25–)43–65(–85) mm. Pedicels: 0 or 1(or 2) subtended by a leaf, proximalmost (7–)15–28(–41) mm. Flowers: sepals spreading to recurved after flowering, (1.9–)2.8–4(–5.3) mm; petals linear-oblong, (8–)12.5–17.3(–22.5) × (2.9–)3.9–5.7(–7.5) mm; stamens (14–)19–21(–24); styles (4 or)5(or 6), (2.5–)3.3–4.4(–5.3) mm; ovary apex glabrous (or sparsely hairy). Pomes dark purple, 8–15 mm diam. 2n = 2x, 4x.

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

    "Tall, erect shrub or slender tree to 15 m; lvs elliptic to ovate-oblong or ovate, to 8 cm, shortly acuminate (or merely abruptly acute), finely and sharply serrate nearly to the rounded or subcordate base, the teeth more than 20 per side, and more than twice as many as the lateral veins, which curve and anastomose before reaching the margins; lvs at anthesis half-grown and glabrous or nearly so, with a prominent coppery-red cast that disappears before maturity; racemes lax, drooping in rain or soon after the twigs are cut; pedicels glabrous, 1–3 cm, the lower becoming 2.5–5 cm in fr; hypanthium glabrous externally, sep 3–4 mm, strongly reflexed after anthesis, tightly so in fr; pet slender, oblong to narrowly cuneate, mostly 15–22 mm; ovary glabrous on top; fr dark purple-red to black, sweet and juicy; mostly diploid, at least partly apomictic. Dry or moist upland woods; Nf. to Ont. and Minn., s. to Md., Ind., and Io., and in the mts. to Ga. and Ala. Apr.–June, a bit before no. 8 [Amelanchier arborea (F. Michx.) Fernald]."

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

    Other Local Names

    Smooth shadbush, amélanchier glabre


     Information From

    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Flora of North America Association
    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.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    Global Tree Assessment
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • C Botanic Gardens Conservation International
    CC0 1.0 Universal (CC0 1.0).
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).