Cornus rugosa Lam.
  • Encycl.
  • Roundleaf dogwood, cornouiller rugueux

Cite taxon page as 'WFO (2020): Cornus rugosa Lam. Published on the Internet; Accessed on: 11 Jul 2020'

General Information

Shrubs, to 5 m, flowering at 1 m; rhizomes present. Stems solitary, 5–10 dm apart; bark pink, light maroon, or green, not corky, loosely verrucose; branchlets yellow-green, with scattered hairs; lenticels protruding on 2d year branches, area surrounding them suffused with purple on older branches; pith white or tan. Leaves: petiole 10–23 mm; blade suborbiculate or broadly ovate, 7–15 × 5–14 cm, base usually subcordate to broadly cuneate, rarely nearly truncate, apex abruptly acuminate, abaxial surface pale green, hairs erect, dense, tufts of erect hairs present in axils of secondary veins, adaxial surface dark green, hairs appressed or erect; secondary veins 7–9 per side, evenly spaced, tertiary veins usually prominent giving leaf a wrinkled appearance. Inflorescences flat-topped, 5–7 cm diam., peduncle 18–35 mm; branches and pedicels pink, turning red in fruit. Flowers: hypanthium constricted below sepals, appressed-hairy; sepals 0.2–0.4 mm; petals white, 2.6–3.8 mm. Drupes pale blue, globose, 5–8 mm diam.; stone globose, 4 mm diam., slightly ribbed, apex dimpled. 2n = 22.

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

    "Shrub 1–4 m, commonly more tree-like in form than no. 3 [Cornus sericea L.], often with a single main stem from the base; twigs glabrous or nearly so, light or yellowish-green, often shaded or mottled with red; pith white; lvs ovate to rotund, mostly 7–12 cm, abruptly acuminate, broadly cuneate or usually rounded at base, minutely scaberulous-strigose above, softly and loosely white-hairy to merely strigose beneath with hairs 0.5–1 mm; lateral veins 6–8 on a side; infl flat or slightly convex; fr light blue, 6 mm; 2n=22. Moist or dry, sandy or rocky soil, typically in better-drained sites than no. 3; Que. to n. Ont. and Man., s. to N.J., Pa., n. O., n. Ind. and Io., and in the mts. to Va. May–July. (C. circinata; Svida r.)"

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

    Other Local Names

    Roundleaf dogwood, cornouiller rugueux


     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • B 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.
    • C Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • E All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • F See IUCN Terms and conditions of use
    Global Tree Assessment
    BGCI. 2018. GlobalTreeSearch online database. Botanic Gardens Conservation International. Richmond, U.K. Available at Accessed on 30/11/2018.
    • G Botanic Gardens Conservation International