Flora of Barro Colorado Island

Thelypteris poiteana

 (Bury) Proct., Bull. Inst. Jamaica, Sci. Ser. 5:63.1953

Dryopteris poiteana (Bory) Urban

Terrestrial, to ca 1 m tall; rhizome much like T. nicara­guensis. Leaves 1-pinnate; petioles as long as or longer than blades; petiole and especially rachis moderately to densely puberulent, the trichomes mostly stalked-tufted; leaflets sessile, ± oblong, acuminate, rounded to obtuse at base, 11-22 cm long, 3.5-5 cm wide, shallowly lobed throughout except near apex, pubescent on both surfaces (especially underside), the trichomes irregular, sharp and stiff; lower 3 or 4 pairs of veins meniscoid (joining and forming an excurrent vein that ends before meeting next pair of veins). Sori round, exindusiate, moderately spaced, borne on veins in rows on either side of midrib; sporangia sparsely pubescent. Croat 6651.

Common in the forest and at the edges of clearings. Guatemala to Ecuador below 1,100 m; the Antilles. In Panama, known only from tropical moist forest in the Canal Zone and Bocas del Toro.