Equisetum palustre L.
  • Sp. Pl.
  • Kırkbacak


Cite taxon page as 'WFO (2020): Equisetum palustre L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001108921. Accessed on: 13 Jul 2020'

General Information

Plants small to medium-sized. Rhizome erect or creeping, blackish brown, nodes and roots with long yellowish brown trichomes or glabrous. Aerial stem annual, monomorphic, with branches often clumped at base of aerial stems, 20-50(-60) cm tall, 1.5-2 mm in diam. at middle, green, but those of lower 1 or 2 nodes blackish brown, not lustrous; internodes 2-4 cm. Main stem 4-7-ridged; ridges arc-shaped abaxially and glabrous or with small cross grains; sheath tubes long, narrow, lower portion grayish green, upper portion light brown; back of sheath with a shallow groove; sheath teeth 4-7, blackish brown, lanceolate, membranous at margin, acuminate at apex, persistent. Lateral branches robust, up to 20 cm, terete to complanate, 4-6-ridged, glabrous or with small pale cross grains; sheath teeth 4-6, grayish green, lanceolate, thinly leathery, persistent. Strobilus ellipsoid or terete, 0.6-2.5 cm, 4-6 mm in diam., apex blunt; stalk prolonged when mature, 0.8-1.2 cm. 2n = 216.

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

    Aerial stems monomorphic, green, branched or unbranched, 20--80 cm; hollow center small, to 1/3 stem diam.; vallecular canals nearly as large. Sheaths elongate, 4--9 × 2--5 mm; teeth dark, 5--10, narrow, 2--5 mm, margins white, scarious. Branches when present only from midstem nodes, spreading, hollow; ridges 4--6; valleys rounded; 1st internode of each branch shorter than subtending stem sheath; sheath teeth narrow. 2 n =216.

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

    "Stems annual, all alike, 2–8 dm, deeply 5–10-sulcate, smooth to the touch but with minute transverse ridge-wrinkles on the angles, the stomates in a single broad band in each furrow, the central cavity small, less than 1/3 the diameter of the stem, about the size of the vallecular cavities; sheaths green, 5–10 mm, rather loose, with persistent teeth, these 3–7 mm, black or dark brown at least in part, with evident, often rather broad, pale and hyaline margins; branches few and irregular to numerous and whorled at the middle and upper nodes, 5–6-angled, simple, the first internode shorter than the associated stem-sheath; cone pedunculate, 1–3.5 cm, blunt, deciduous. Streambanks, wet meadows, and marshes; circumboreal, in Amer. s. to Pa., Ill., N.D., and Wash."

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

    Morphology

    10-70 cm boyunda çokyıllık otsu bitkiler. Rizomlar dik veya yükselici, siyahımsı kahverengi, tüysüz veya tüylü; tüyler sarımsı kahverengi. Ana gövde biryıllık, tek biçimli, nadiren düğümlerde dallanmış (yan gövde), 0,2- 0,4 cm çapında, açık yeşil, 4-8 oluklu; oluklar belirgin şekilde derin; kın yeşil, 0,5-1 cm uzunluğunda; dişler gövdedeki oluk sayısı kadar, mızraksı, zarımsı kenarlı, bir omurgalı, sipsivri, siyahımsı kahverengi, kalıcı. Yan gövdeler dallanmamış, yeşil, 4-20 cm uzunluğunda, 4 oluklu. Ana gövdedeki öz boşluğu gövdenin yarısı çapında. Kozalak kahverengi, yeşil gövdenin üzerinde, uçta tek, eliptik veya silindirik, 0,8-30 × 0,4-0,6 cm.

  • Provided by: [D].Resimli Türkiye Florası (the Illustrated Flora of Turkey)
    • Nationally Preferred Names

      NameLanguageCountry
      KırkbacakTurkishTR

      Other Local Names

      NameLanguageCountry
      Marsh horsetail, prêle des marais

       Information From

      Equisetaceae
      World Flora Online Data. 2017.
      • A CC0 1.0 Universal (CC0 1.0).
      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
      Flora Of CHina @ efloras.org
      http://www.efloras.org/flora_page.aspx?flora_id=2
      '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.
      • C Missouri Botanical Garden
      Resimli Türkiye Florası (the Illustrated Flora of Turkey)
      http://www.turkiyeflorasi.org.tr
      Güner, A., Kandemir, A., Menemen, Y., Yıldırım, H., Aslan, S., Ekşi, G., Güner, I. ve Çimen, A.Ö. (edlr.) (2018). Resimli Türkiye Florası, Cilt 2. ANG Vakfı Nezahat Gökyiğit Botanik Bahçesi Yayınları. İstanbul.
      • D All Rights Reserved
      • E Resimli Türkiye Florası (the Illustrated Flora of Turkey).
      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.
      • F Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
      World Flora Online consortium
      http://www.worldfloraonline.org/organisation/WFO
      World Flora Online Data. 2018.
      • G CC0 1.0 Universal (CC0 1.0).
      International Union for Conservation of Nature
      https://www.iucn.org/
      IUCN 2016. IUCN Red List of Threatened Species. Version 2016-2
      • H All Rights Reserved
      International Union for Conservation of Nature v.3
      https://www.iucnredlist.org/
      IUCN 2019. The IUCN Red List of Threatened Species. Version 2019-1.
      • I See IUCN Terms and conditions of use http://www.iucnredlist.org/info/terms-of-use