Sw., Syn. 79:271.1806 Epiphyte, usually 25-50 cm tall. Leaves 1-pinnate; petiole and base of rachis atropurpureous and shiny; blades reduced toward apex and tapered to a slender tip; leaflets +/- oblong, very unequal at base, the lower edge straight to curved, entire, the proximal margin nearly paralleling rachis, the upper and distal margins serrate, the upper margin infrequently auriculate, 2-6 cm long, 8-15 mm wide, the veins simple or 1-forked. Sori several, linear-oblong, on upper side of lateral veins oblique to midrib, mostly on distal half of leaflets; indusium thin. Croat 8475. Mexico to Paraguay and Venezuela; the Antilles. In Panama, known from tropical moist forest in the Canal Zone (BCI), Bocas del Toro, and Panama and from tropical wet forest in Colon.