Grammitis apiculata (Klatt) Seym.

  • Authority

    Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.

  • Family

    Polypodiaceae

  • Scientific Name

    Grammitis apiculata (Klatt) Seym.

  • Description

    Species Description - Rhizome ascending; rhizome scales conspicuous, castaneous, clathrate, linear, long-attenuate, 3-3.5 mm long with ciliate margin, cilia 0.3 mm long; fronds clumped; stipe 1/6-1/4 the frond length, gray-brown to black, with dense, short hairs 0.1-0.3 mm long; blade pinnatisect, oblanceolate, 12-15 cm long, 2-3 cm wide, gradually narrowed to base, apex caudate, abruptly narrowed; rachis black with dense hairs 0.3-0.5 mm long; pinnae 25-30 pairs, linear, acute to obtuse, lower costae black, periodically immersed, with sparse 0.3-0.5 mm long hairs, upper costa green, glabrous; laminar surfaces glabrous; veins obscure, unbranched, hydathodes present adaxially, lime dots lacking; sori oblong, glabrous; sporangia glabrous.

  • Discussion

    Polypodium apiculatum Kunze ex Klotzsch, Linnaea 20: 378. 1847. Ctenopteris apiculata (Kunze ex Klotzsch) Copeland, Philipp. J. Sci. 84: 417. 1955 [1956]. Syntypes. Guyana. Schomburgk 1213 (B?); Venezuela. Colonia Tovar, Moritz 247 (B?; isotype NY!). Grammitis apiculata is distinct from other members of the G. moniliformis complex by its ciliate rhizome scales.

  • Distribution

    Epiphytic in wet montane forest; Ixtlán; 1200-1500 m. Mexico (Oax, Chis); Hond, CR; Hisp; Col to Guy, and s Braz to Peru.

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