Bolbitis pergamentacea (Maxon) Ching

  • 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

    Bolbitis pergamentacea (Maxon) Ching

  • Description

    Species Description - Rhizome long-creeping, to 10 mm diam.; rhizome scales ca. 6 mm long, 4 mm wide, brown, ovate, entire; fronds dimorphic, 50-140 cm long, subdistant; stipe 20-80 cm long, stramineous, sparsely scaly; sterile blade ovate to elliptic, widest below or about the middle, 25-60 cm long, 20-50 cm wide, pinnate, apex with conform terminal pinna, not proliferous; lower pinnae stalked, somewhat unequally elliptic, with cuneate base, (0-)2-6 pinna pairs; veins finely are-olate, with included veinlets; leaf tissue below with minute (0.1 mm long), appressed, yellowish hairs; fertile blade once-pinnate, 12-45 cm long, with 1-2 pairs of lateral pinnae and a slightly larger terminal pinna, entire; sori acrostichoid.

  • Discussion

    Leptochilus pergamentaceus Maxon, J. Wash. Acad. Sci. 14: 144. 1924. Type. Jamaica. Green River Valley, Underwood 1426 (US! -2 sheets). The lack of axillary buds and pinnae with more or less symmetric bases distinguish this species from Bolbitis hemiotis.

  • Distribution

    Wet lowland forests; Juchitán; 220 m. Mexico (Oax, Chis); Guat to Pan; Gr Antill; Col, Ven.

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