Polystichum xiphophyllum (Baker) Diels
  • Nat. Pfl. 1(4): 189. 1899


Cite taxon page as 'WFO (2023): Polystichum xiphophyllum (Baker) Diels. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001116285. Accessed on: 21 Mar 2023'

General Information

Plants evergreen. Rhizome erect, densely scaly; scales brown or blackish brown, narrowly ovate. Fronds 25-60 cm; stipe stramineous, 12-36 cm, 2-3 mm in diam. at base, densely covered with lanceolate blackish brown scales, lower part mixed with narrowly ovate scales, scale base ciliate. Lamina 1-pinnate, broadly lanceolate, 18-40 × 6-15 cm, base nearly truncate, apex acuminate; rachis without proliferous bulbils, densely scaly abaxially; scales often blackish brown, linear, with dilated base, margins ciliate. Pinnae 16-20 pairs, alternate, attached at right angles to rachis, stalk ca. 1 mm, linear-lanceolate, sometimes slightly ascendant and falcate, middle pairs 3-10 cm × 7-16 mm, oblique at base, with acute teeth or subentire, sometimes lower part of pinnae pinnatilobate, apex acuminate; acroscopic bases deltoid-auriculate or with 1 free narrowly ovate pinnule, sometimes basiscopic bases also with 1 free smaller pinnule; abaxially sparsely scaly; microscales yellowish brown, ciliate with dilated bases; frond texture thinly leathery; venation pinnate on pinnae, lateral veins twice dichotomously branched, slightly distinct abaxially, indistinct adaxially. Sori in 1 row on each side of midrib; indusia subentire.

  • Provided by: [B].Flora of China @ efloras.org
    • Source: [
    • 1
    • ]. 

     Information From

    Dryopteridaceae
    http://www.worldfloraonline.org/organisation/Dryopteridaceae
    World Flora Online Data. 2021.
    • A CC0 1.0 Universal (CC0 1.0).
    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
    Polypodiaceae
    http://www.worldfloraonline.org/organisation/Polypodiaceae
    World Flora Online Data. 2021.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online Consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2017.
    • D CC0 1.0 Universal (CC0 1.0).