Microgramma lycopodioides (L.) Copel.

  • 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

    Microgramma lycopodioides (L.) Copel.

  • Description

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    Species Description - Rhizome long-creeping, 1.5-2 mm diam.; rhizome scales 5-6 mm long, concolorous, brown, becoming bicolorous with age, lanceolate-attenuate with acuminate tip, subappressed, peltate, margin denticulatfronds monomorphic to subdimorphic (the fertile slightly smaller), distant, chartaceous to subcoriaceous; stipe lacking; blade lanceolate, linear-lanceolate or elliptic-lanceolate, 3-12 cm long, 4-16 mm wide, apex acute or rarely obtuse, base cuneate, glabrous, with rare blade scales (hairlike, 1 mm long) on rachis; veins anastomosing; sori round, medial, paraphyses of narrow scales, 0.3 mm, few and inconspicuous.

  • Discussion

    Polypodium lycopodioides Linnaeus, Sp. pl. 2: 1082. 1753. Type. Typification uncertain; LINN 1251.2 in 1753 (Jackson, 1912). Microgramma lycopodioides is distinct by its glabrous blade and slender rhizome with concolorous scales.

  • Distribution

    Epiphyte on tree trunks; Juchi-tán; 300 m. Mexico (Ver, Oax, Chis); Bel to Pan; WI; Col to Sur & Bol, s Braz.

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