Polybotrya polybotryoides (Baker) Christ

  • Authority

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

  • Family

    Dryopteridaceae

  • Scientific Name

    Polybotrya polybotryoides (Baker) Christ

  • Description

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    Species Description - Rhizome scales orange to castaneous, 10-15 mm long, 0.5-1.0 mm wide, subulate, margin denticulate towards tip; fronds distant; stipe 2545 cm long, 1/3 the frond length, stramineous, scaly; sterile blade pinnate (to bipinnate in Costa Rica), 70-100 cm long, apex pinnatifid; pinnae 6-12 pairs, 10-25 cm long, 2-6 cm wide, lanceolate, base inequilateral, apex cuneate to obtuse, glabrous on both surfaces, margin serrate to crenate or shallowly lobed; veins pinnately branched with arcuate veins, branches anastomosing at acute angles; fertile fronds bipinnate, pinnules 1-2 cm long, 2-3 mm wide.

  • Discussion

    Acrostichum polybotryoides Baker, J. Bot. 19:207. 1881. Type. Colombia. Ocaña, Kalbreyer s.n. (K). Polybotrya aucuparia Christ, Bull. Herb. Boissier II, 6: 166. 1906. Type. Costa Rica. Valle del Rio Navarro, 1400 m, Wercklés.n. [Herb. Inst. Costar. 16670] (P, photo UC). Among the dimorphic-fronded ferns in Oaxaca, Polybotrya polybotryoides is distinct in its once-pinnate, net-veined sterile blade and bipinnate, linear-segmented fertile blade.

  • Distribution

    Hemiepiphytic in wet forests; Juchitán; 250-450 m (500-1300 m in Chiapas). Mexico (Ver, Oax, Chis); Guat to CR; Col, Ec.

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