Campyloneurum tenuipes Maxon

  • Authority

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

  • Family

    Polypodiaceae

  • Scientific Name

    Campyloneurum tenuipes Maxon

  • Description

    Species Description - Rhizomes short-creeping, 4–7 mm diam., brown; rhizome scales dense, brown, linear-lanceolate, each with a nearly hairlike tip and peltate base, 5–8 mm long, 1–1.5 mm wide, clathrate; fronds 30–80 cm long, clumped (2–10 mm apart); stipes 8–18 cm mm, 1/3 to equalling the blade length; blades chartaceous, narrowly elliptic to linear-oblong, 4–9 cm wide, bases cuneate, apices abruptly narrowed and caudate; lime dots absent adaxially; areoles 6–10 rows between midribs and margins, excurrent veinlets 2 or 3 per areole, if 3, the middle one sometimes completely bisecting the areole; main lateral veins prominent, secondary veins regularly anastomosing; sori 6–10-seriate between midribs and blade margins, in two regular rows between main lateral veins, each sorus in its own areole; 2n=74 (Oax, Chis).

  • Discussion

    Polypodium tenuipes (Maxon) C. Chr., Index Filic., Suppl. 1: 63. 1913. Type. Guatemala. Alta Verapaz: Near Coba´n, Tu¨rckheim II 1952 (US!; isotype US!).

    Unverified, Doubtful, or Mistaken Reports. Mich (Hinton 11177, US, cited by Leo´n, 1992, but not verified).

    Campyloneurum tenuipes is similar to C. xalapense, but has longer stipes, larger rhizome scales with scales more decidedly clathrate and larger cell lumina, conspicuous lateral veins, and 6–10-seriate sori.

  • Distribution

    Terrestrial or epipetric, rarely epiphytic in wet montane rain forests, evergreen cloud forests, pine-oak-Ostrya forests, Liquidambar forests, woods along streams; 1000–2300 m. Mexico; Guat, Hond.

    Guatemala Central America| Honduras Central America| México Mexico North America|