Pteridium aquilinum var. feei (W.Schaffn. ex Fée) Maxon

  • Authority

    Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

  • Family

    Dennstaedtiaceae

  • Scientific Name

    Pteridium aquilinum var. feei (W.Schaffn. ex Fée) Maxon

  • Description

    Species Description - Adaxial laminar surfaces with scattered hairs, primarily on costae and near segment margins; terminal cell of costal hairs pale, inconspicuous; abaxial costae with lax pale hairs, also with frequent clear brown stiff hairs; segments with abundant, long, tangled hairs 0.6–1 mm long, often obscuring the laminar surfaces, also evident from curved adaxial margins and margins of indusia; indusia 0.4 mm or more wide.

  • Discussion

    Pteris feei W. Schaffn. ex Fe´e, Me´m. Foug. 8: 73. 1857. Pteridium feei (W. Schaffn. ex Fe´e) Faull, Contr. Arnold Arbor. 11: 87. 1938. Syntypes. Mexico. [Veracruz:] Huatusco, Schaffner 138, 141 (both P!); Popocate´petl, Schaffner 286 (P?).

    Unverified, Doubtful, or Mistaken Reports. Tab (reported by Magan˜a, 1992, but figured plant appears to be P. caudatum). Pteridium aquilinum var. feei is distinguished by lamina abaxially with tortuous or curved hairs, indusia broad and ciliate, laminar hairs 1–1.5 mm long, straight, clear, brown.

  • Distribution

    Open, disturbed areas at higher elevations; 1800– 3050 m. Mexico; Guat, Hond, Salv.

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