Polypodium glycyrrhiza D.C.Eaton
  • Amer. J. Sci. Arts , ser. 2, 22: 138 (1856)
  • Licorice fern

Cite taxon page as 'WFO (2023): Polypodium glycyrrhiza D.C.Eaton. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001109244. Accessed on: 26 Mar 2023'

General Information

Stems not whitish pruinose, slender to moderately stout, to 6 mm diam., intensely sweet, licorice-flavored; scales concolored, brown or slightly darker near point of attachment, lanceolate to lanceolate-ovate, symmetric, margins entire. Leaves to 75 cm. Petiole usually slender, 0.5--2 mm diam. Blade lanceolate-ovate to oblong, pinnatifid, widest near middle or just below, to 16 cm wide, herbaceous, rarely slightly leathery; rachis sparsely scaly to glabrescent abaxially, puberulent adaxially; scales linear, usually less than 3 cells wide. Segments linear to oblong, less than 12 mm wide; margins serrate; apex acute to attenuate; midrib puberulent adaxially. Venation free. Sori midway between margin and midrib or slightly closer to midrib, usually less than 3 mm diam., circular to oval when immature. Sporangiasters absent. Spores less than 58 µm, verrucose, with surface projections less than 3 µm. 2 n = 74.

  • Provided by: [A].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Other Local Names

    Licorice fern

     Information From

    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.
    • A Flora of North America Association
    World Flora Online Data. 2021.
    • B CC0 1.0 Universal (CC0 1.0).
    World Flora Online Consortium
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).