Dicranopteris pectinata (Willd.) Underw.

  • Authority

    Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.

  • Family

    Gleicheniaceae

  • Scientific Name

    Dicranopteris pectinata (Willd.) Underw.

  • Description

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    Species Description - Rhizome 3-5 mm thick, light brown, scabrous, clothed with numerous deciduous, castaneous, articulate hairs. Primary frond axis 3-6 mm thick; primary lateral branches consisting of several opposite pairs, stipulate in the forks, repeatedly and unequally forking, producing a naked flexuous secondary axis, the shorter branches once- or twice-forked; primary internodes 2-16 cm long or more, the others shorter. Pinnae variable, 10-25 cm long, 1-6 cm broad, very glaucous, glabrous beneath or sometimes sparsely stellate-pubescent; segments usually notched at the apex; veins 3- to 5-forked. Sori often numerous, or sometimes whole populations apparently sterile.

  • Discussion

    Fig. 22.

    Basionym. Mertensia pectinata Willdenow, Kungl. Vetensk, Acad, Handl, 25: 168. 1804. Type. Bredemeyer, from nr. Caracas, Venezuela {Herb. Willd. 19465, B).

  • Distribution

    General Distribution. Greater and Lesser Antilles,

    West Indies| Trinidad and Tobago South America|