Monographs Details: Gymnopteris rufa (L.) Underw.
Authority: Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Description:Species Description - Rhizomes short, decumbent or ascending, the apex covered with shiny, brownish-red, filiform scales. Fronds subdimorphic, pinnate. Sterile fronds spreading. Fertile fronds 25- 50 cm long; petiole shorter than blade, 9-15 cm long, dark brown, densely covered by rust-colored and white hairs; blade linear to lanceolate, 16-35 X 4.5-7 cm; rachis with indument like that of petiole; pinnae numerous, distantly spaced, opposite or subopposite, ovate, oblong, or elliptic, 10-15 mm wide, covered with hairs on both surfaces, shortly petiolulate, the margin entire; veins oblique, 2- or 3-furcate. Lines of sporangia confluent at maturity.
Distribution and Ecology - Rare, in lowland forest.