Pecluma plumula (Humb. & Bonpl. ex Willd.) M.G.Price

  • 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

    Pecluma plumula (Humb. & Bonpl. ex Willd.) M.G.Price

  • Description

    Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /home/emu/nybgweb/www-dev/htdocs/science-dev/wp-content/themes/nybgscience/lib/VHMonographsDetails.php on line 179

    Species Description - Rhizome short-creeping, 3-7 mm diam.; rhizome scales reddish-brown, dark towards margin, narrow-deltate, acuminate, margin toothed, papillose; fronds 8-60 cm long, clumped; stipe 1/8-1/3 the frond length, black, glabrous; rachis with scales ovate, gold to red-brown, apex short, acuminate, bullate or not, margin toothed, papillate or fimbriate; blade narrow to linear elliptic, 3-7.5 cm wide, reduced to lobes at base; pinnae linear-obtuse, 1.5-3 cm long, 1.5-3.5 mm wide, surcurrent and decurrent, entire; lower laminar surface with scattered trichomidia, costae decurrent on rachis, black, with rare acicular hairs (0.3-0.5 mm) and scattered bullate scales (0.5 mm), costal scales minute; upper laminar surface glabrous, costae with rare scattered hairs (0.1-0.3 mm), margin with rare hairs (0.3 mm); veins free, 1-2-forked; sori round, medial, with clavate paraphyses (0.5 mm); sporangia with setae 0.1 mm long.

  • Discussion

    Polypodium plumula Humboldt & Bonpland ex Willdenow, Sp. pi. 5: 178. 1810. Ctenopteris plumula (Humboldt & Bonpland ex Willdenow) J. Smith, Hist, fil. 185. 1875. Lectotype (chosen by Evans, 1968: 230). Venezuela. Caracas, Bredemeyer s.n. (B-Willd. 19655-1!, photo B, frag. NY!; isotype P-Humb.!). Polypodium pulchrum Martens & Galeotti, Mém. foug. Mexique 41. 1842. Type. Mexico. Veracruz: Jalapa, Galeotti 6332 (BR!; isotypes BR! -2 sheets!, frag. NY!). Polypodium pulchrum Martens & Galeotti var. minus Fournier, Mexic. pi. 1: 76. 1872, nom. nud. Pecluma plumula is distinct in its black stipe, toothed rhizome scales and setose sporangia.

  • Distribution

    Epiphytic to terrestrial or epi-petric; Choapan, Cuicatlán, Juquila, Putla; 750900 m. Mexico (Sin, Tam, SLP, Hgo, Ver, Pue, Oax, Chis, Camp); US (Fla); Guat to Pan; WI, Trin; Col to Guy, s to Bol, Braz.

    Mexico North America| Brazil South America| Bolivia South America| Guyana South America| Colombia South America| Trinidad and Tobago South America| West Indies| Panama Central America| Guatemala Central America| Florida United States of America North America|