Authority:

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

Family:

Lindsaeaceae

Description:

Species Description - Rhizome short- to long-creeping, 2-3 mm diam.; rhizome scales lustrous, dark brown, lanceolate, 1-2 mm long, 0.3 mm wide; fronds 40-70 cm long; stipe ca. ½ the frond length, yellow-green to castaneous to atropurpureous, quadrangular in cross section, glabrous; rachis at insertion of basal pinnae terete abaxially; blade bipinnate; pinnae (1-)2-3(-5) pairs, segments arcuate, dimidiate, lacking mid vein; sori 1-2 per segment; indusium 0.5 mm wide, margin entire; spores tetrahedral.

Discussion:

Lindsaea trapeziformis Dryander var. ß arcuata (Kunze) Baker in Martius, Fl. bras. 1(2): 355. 1870. Lindsaea lancea var. arcuata (Kunze) Rosenstock, Hedwigia 46: 80. 1906. Type. Peru. Pampayaco, Poeppig 1133 (LZ, destroyed; isotype B!). Lindsaea curvans Fée, Mém. foug. 5: 106. 1852. Type. Mexico. Oaxaca, Galeotti 6489 (P). Lindsaea galeottii Fée, Mém. foug. 5: 107. 1852. Type. Mexico. Oaxaca, Galeotti 6469 (P!). For additional synonymy, see Kramer (1957). Lindsaea arcuata is distinct by its entire indusium and terete rachis at basal pinna insertion.

Distribution:

Mexico North America| Brazil South America| Bolivia South America| Venezuela South America| Colombia South America| West Indies| Cuba South America| Panama Central America| Guatemala Central America|