Histiopteris incisa (Thunb.) J.Sm.

  • Authority

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

  • Family

    Dennstaedtiaceae

  • Scientific Name

    Histiopteris incisa (Thunb.) J.Sm.

  • Description

    Species Description - Rhizome long-creeping, 5-10 mm diam.; rhizome scales 2-3 mm long, 0.8-1.0 mm wide, brown, linear-lanceolate, clathrate, along with golden brown hairs 2 mm long; fronds 1-4 m long, distant; stipe ¼-½ the frond length, stramineous to castaneous; blade mostly bipinnate-pinnatifid, rarely more divided, 1-2 m wide; segments rounded; veins partially areolate; blade glabrous, glaucous, pea-green, often with stipulelike pinnules at base of larger pinnae; sporangia mixed with paraphyses; spores golden.

  • Discussion

    Pteris incisa Thunberg, Prodr. pl. Cap. 171. 1800. Litobrochia incisa (Thunberg) Presl, Tent, pterid. 149. 1836. Type. South Africa. Cape of Good Hope, 1774, Thunberg (isotype S).

  • Distribution

    Open banks and light woods in cloud forests; Ixtlán, Mixe, Tehuantepec, Teo-titlán; 1150-3050 m. Mexico (Ver, Oax, Chis); Guat to CR; Col to Bol, s Braz; WI; s Afr, se Asia to NZ.

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