Odontosoria schlechtendalii (C.Presl) C.Chr.

  • Authority

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

  • Family

    Lindsaeaceae

  • Scientific Name

    Odontosoria schlechtendalii (C.Presl) C.Chr.

  • Description

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    Species Description - Rhizome short-creeping, 2-5 mm diam.; rhizome scales castaneous, very narrow, 2-3 mm long, 0.5 mm wide; fronds 1.7-5 m long, arching, pendent on cliffs or scrambling or prostrate on ground, clumped; stipe ca. ¼-½ the frond length, castaneous, glabrous; blade ovate-lanceolate to linear-lanceolate, 4-5 times pinnate, skeletonized; segments linear, ca. 0.2 mm wide, mostly 3-5 mm long, final divisions subdichotomously forked, glabrous; sori terminal on the segments, ca. same width as the segments, appearing as an obconical pocket at the apex, only ca. three sporangia per sorus.

  • Discussion

    Davallia divaricata Schlechtendal & Chamisso, Lin-naea 5: 617. 1830, nom. illeg., non Blume, 1828. Odontosoria divaricata (Schlechtendal & Chamisso) J. Smith, Hist. fil. 264. 1875. Lindsayopsisdivaricata (Schlechtendal & Chamisso) Kuhn, Gruppe Chae-topter. 27. 1882. Davallia schlechtendalii Presl, Tent, pterid. 129. 1836. Stenoloma schlechtendalii (Presl) Fée, Mém. foug. 5:330. 1852. Microlepia schlechtendalii (Presl) Mettenius, Fil. hort. bot. Lips. 104. 1856. Odontoloma schlechtendalii (Presl) Fournier, Mexic. pl. 132. 1872. Lindsaya schlechtendalii (Presl) Christ, Famkr. Erde 296. 1897. Type. Mexico. [Veracruz,] Schiede & Deppe [803] (B! -2 sheets; isotype LE!). In the sterile condition this species closely resembles Eriosorus flexuosus (in frond size and dissection). The sori are quite different in the two. They can be distinguished even in the juvenile condition by Odontosoria having the rhizome clothed with thin scales rather than hairs, and lacking hairs on the lamina.

  • Distribution

    Wet clay roadside banks, clearings, and slumps in wet montane forests; Choapan, Cuicatlán, Ixtlán, Juchitán, Mixe, Pochutla, Putla, Tuxtepec, Villa Alta; 250-2200 m. Mexico (Mich, Gro, Ver, Pue, Oax, Chis); Guat, Bel, Hond.

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