Populus nigra L.
  • Sp. Pl.

Cite taxon page as 'WFO (2020): Populus nigra L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000928297. Accessed on: 28 Oct 2020'

General Information

Trees to 30 m tall; bark dull gray, furrowed when older; crown broadly ovoid. Branchlets yellowish, terete, glabrous. Buds russet, ovoid, very viscid. Petiole ca. as long as or longer than leaf blade, laterally flattened, glabrous; leaf blade rhombic, rhombic-ovoid, or deltoid, 5-10 × 4-8 cm, thinly leathery, abaxially greenish, adaxially green, base cuneate or broadly cuneate, rarely truncate, margin crenate-serrate, ciliate, apex long acuminate. Flower buds outwardly curved at apex. Male catkin 5-6 cm; rachis glabrous; bracts brownish, 3-4 mm, membranous, laciniate. Male flower: stamens 15-30; anthers purplish red. Fruiting catkin 5-10 cm. Female flower: ovary ovoid, glabrous, stipitate; stigmas 2. Capsule ovoid, 5-7 × 3-4 mm, 2-valved, stipitate. Fl. Apr-May, fr. Jun. 2n = ?19*, 38*, 57.

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

    "Tall tree with dull gray branches and dark, furrowed bark on older trunks; petioles distinctly flattened; winter buds resinous; lvs pubescent when young, finely toothed, the teeth to ca 1 mm deep, more spreading than in no. 9 [Populus deltoides Marshall], only slightly or not at all incurved; lvs of short shoots rhomboid-ovate, with cuneate base, of long shoots broadly deltoid-ovate, truncate at base, abruptly pointed; floral disk 1–2 mm wide, stamens 20–30; stigmas 2, broadly dilated; frs ovoid, 7–9 mm, twice as long as the pedicels, with 4–8 seeds per placenta; 2n=38. Native of Eurasia, frequently planted, and occasionally escaped. The Lombardy poplar is a common horticultural form with erect branches, forming a long, columnar crown. (P. italica; P. nigra var. italica; P. dilatata)"

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


     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 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
    Global Tree Search
    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
    International Union for Conservation of Nature
    IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
    • D All Rights Reserved
    International Union for Conservation of Nature v.3
    IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
    • E See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use
    • F CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • G CC0 1.0 Universal (CC0 1.0).