Flora of Barro Colorado Island

Ctenitis sloanei

(Poepp.) Mort., Amer. Fern J. 59:66.1969

Dryopteris ampla (H. & B. ex Willd.) Kunze

Terrestrial, moderately tall. Leaves 2-pinnate-pinnatifid or 3-pinnate; petiole and rachis with deciduous, lanceolate scales especially at nodes; rachis and midrib of leaflets moderately scaly below, densely pubescent above with jointed trichomes; pinnae oblong-lanceolate in outline, ca 40 cm long, tapered to an acuminate apex; secondary pinnae to 10 cm long; leaflets oblong, ca 1.5 cm long, toothed or lobed nearly to middle, blunt at apex, with a few trichomes scattered on lateral veins. Sporangia in round clusters on lateral veins of lobes, in 1 or 2 ± irreg­ular rows along midrib of leaflets. Wilson157.

Collected once on Orchid Island; not seen recently. Guatemala to Peru and Bolivia; West Indies. In Pan­ama, known from tropical moist forest on BCI and in Panama, from premontane wet forest in Coclé and Chi­riqui, and from tropical wet forest in Colón.