Cyrtomium yamamotoi Tagawa
  • Acta Phytotax. Geobot.


Cite taxon page as 'WFO (2020): Cyrtomium yamamotoi Tagawa. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001122541. Accessed on: 13 Jul 2020'

General Information

Plants 40-104 cm tall. Rhizome erect, densely covered with lanceolate blackish brown scales. Stipe stramineous, 22-30(-50) cm, 2-3 mm in diam. at base, densely scaly; scales blackish brown, or blackish brown with a brown edge, ovate or lanceolate, denticulate. Lamina ovate or ovate-lanceolate, 22-44(-54) × 12-18(-30) cm, base slightly contracted, 1-imparipinnate, apex obtuse; rachis with sparse, lanceolate, blackish brown or brown scales. Lateral pinnae 4-14 pairs, alternate, slightly ascendant, shortly stalked, lanceolate or broadly lanceolate, ± falcate; middle pinnae 8-12(-17.5) × 3-3.6 cm, base rounded-cuneate or inequilateral and broadly cuneate, acroscopic margins with semicircular or acute auricles, margins entire or distally denticulate, apex acuminate or caudate; terminal pinna ovate or rhombic-ovate, forked or trifurcate, 8-12 × 6-8 cm; papery, glabrous on both surfaces; venation pinnate, slightly raised abaxially, indistinct adaxially, veinlets anastomosing to form 3 or 4 rows of areoles. Sori throughout abaxial surface of pinnae; indusia dark brown in center, margins with incised teeth. 2n = 123.

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

     Information From

    Dryopteridaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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.
    • B Missouri Botanical Garden
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • C CC0 1.0 Universal (CC0 1.0).