Eriosorus hirtus (Humb., Bonpl. & Kunth) Copel.
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Authority
Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
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Family
Pteridaceae
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Scientific Name
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Description
Species Description - Rhizomes creeping, slender, 3 mm diam.; rhizome hairs bristlelike, thick, 1.5 mm long, reddish brown; fronds erect, clumped, 10–67 cm long; stipes 1/3 or less the frond length, castaneous, pubescent, hairs 0.5–1 mm long; blades 3–4 times pinnate, deltate, ca. 10–20 cm wide; rachises subflexuous, pubescent, hairs 0.5–1 mm long; ultimate segments 1–1.5 mm wide, with emarginate apices, thin, hairs 0.5–1 mm long on adaxial and abaxial surfaces; vein endings enlarged; spores reddish brown; 2n=348 (Chis).
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Discussion
Grammitis hirta Kunth, Nov. Gen. Sp. (folio ed.) 1: 4. 1815 [1816]. Type. Venezuela. Silla de Caracas, Humboldt & Bonpland s.n. (P!, photo GH!; frag. B!). Psilogramme chiapensis Maxon, Bull. Torrey Bot. Club 42: 81. 1915. Type. Mexico. Chiapas: Cerro del Boquero´n, Purpus 6722 (US!; isotypes BM, F, GH!, HBG, P, US!). For additional synonyms, see A. Tryon (1970).
Unverified, Doubtful, or Mistaken Reports. Gro (Rami´rez 21, ENCB, IEB, cited by Lorea-Herna´ndez & Vela´zquez M., 1998, but not verified). Mexican material corresponds to var. hirtus. The broader, more pubescent segments distinguish E. hirtus from E. flexuosus.
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Distribution
Wet pine-oak forests; 2000–2600 m. Mexico; Guat, Hond; Cuba; Col, Ven, Ec, Peru, Bol.
Mexico North America| Bolivia South America| Peru South America| Amazonas Ecuador South America| Venezuela South America| Colombia South America| Cuba South America| Honduras Central America| Guatemala Central America|