Spiraea japonica L.f.
  • Supplementum plantarum
  • Japanese spiraea

Cite taxon page as 'WFO (2021): Spiraea japonica L.f. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001008609. Accessed on: 21 Sep 2021'

General Information

Shrubs erect, to 1.5 m tall. Branchlets brownish to purple-brown, slender, subterete, glabrous or pubescent when young; buds ovoid, 3–5 mm, with several scales, puberulous, apex acute. Petiole 1–3 mm, pubescent; leaf blade abaxially paler or glaucous pruinose, adaxially dark green, ovate or ovate-elliptic to lanceolate or oblong-lanceolate, 2–16 × 1–4 cm, abaxially usually pubescent on veins, adaxially glabrous or puberulous on veins, base cuneate to rounded, margin crenate to doubly serrate, rarely singly serrate, apex obtuse or acute to acuminate. Corymbs terminal on erect, long, leafy shoots of current year, compound, 6–14 × 2.5–14 cm, many flowered; rachis and pedicels densely pubescent; pedicels 4–6 mm; bracts lanceolate to linear-lanceolate, sometimes to 1 cm, abaxially puberulous. Flowers 4–7 mm. Hypanthium campanulate, sparsely pubescent abaxially. Sepals triangular, 1.5–2 mm, erect in fruit, apex acute. Petals usually pink, sometimes white, ovate to orbicular, 2.5–3.5 × 2–3 mm, apex obtuse. Stamens 25–30, much longer than petals. Disk annular, irregularly crenulate. Follicles divergent, glabrous or pilose on adaxial suture; styles ascending. Fl. Jun–Jul, fr. Aug–Sep.

  • Provided by: [B].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    Shrubs, 10–15 dm, ?not rhizomatous?. Stems erect, branched. Leaves: petiole 2–7 mm; blade ovate to lanceolate, 5–10 × 2–4 cm, membranous, base cuneate, margins sharply doubly serrate, ?number of primary and secondary serrations 3–5 times number of secondary veins (excluding inter-secondary veins)?, venation pinnate simple craspedodromous, secondary veins not prominent, apex acute, abaxial surface pubescent, adaxial glabrous. Inflorescences mostly terminal, corymbiform, 5–8 × 5–15 cm; branches finely villous. Pedicels 4–6 mm, finely villous. Flowers 4–8 mm diam.; hypanthia campanulate, 1–1.2 mm, abaxial surface strigose, adaxial pubescent; sepals triangular, 1–1.3 mm; petals light to dark pink, obovate, 1–1.5 mm; staminodes 0; stamens 25–30, 2 times petal length. Follicles oblanceoloid, 2–3 mm, glabrous, ?adaxial suture glabrous or ciliate?. 2n = 36.

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

    "Shrub to 1.5 m; lvs lanceolate or lance-ovate, 8–15 × 2.5–5 cm, long-acuminate, sharply toothed, acute at base; infl terminal, compound, short and broad, 5–20 cm wide; pedicels and hypanthium finely pubescent; fls mostly pink, 5 mm wide; fr 2.5–3 mm; 2n=18. Native of Japan, often escaped from cult. June, July."

  • Provided by: [D].New York Botanical Garden
    • Source: [
    • 3
    • ]. 


    Ähnlich wie S. salicifolia, aber Blätter breit-lanzettlich, bis 12 cm lang, doppelt gezähnt, bis 5 mm lang gestielt, auf den Nerven flaumhaarig. Blüten in endständigen, breiter als hohen Doldenrispen, Staubblätter 2–3mal so lang wie die Kron

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 4
    • ]. 


    6–8. Wälder, Gebüsche, im Süden häufig verwildert, kollin. M, TI.

  • Provided by: [A].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 4
    • ]. 

    Other Local Names

    Japanese spiraea
    Spirée du JaponFrenchCH
    Spirea del GiapponeItalianCH
    Japanischer SpierstrauchGermanCH


     Information From

    Flora Helvetica – Illustrierte Flora der Schweiz
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • A All Rights Reserved
    Flora Of CHina @ efloras.org
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Missouri Botanical Garden
    Flora of North America @ efloras.org
    '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.
    • C 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.
    • D Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    CC0 1.0 Universal (CC0 1.0). https://creativecommons.org/publicdomain/zero/1.0
    • E CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).