Flora of Barro Colorado Island

Trichomanes polypodioides

L., Sp. P1.1098.1753

Small epiphyte; rhizome slender, creeping, scaly. Leaves simple, very thin, irregularly pinnatifid, the segments lobed, 3-12 cm long, 1.5-2.5 cm wide, oblong to ovate in outline with light-brown, stellate scales on margin and surface; midrib extending to apex with lateral veins at each lobe, these sometimes 1- or       2-forked. Sorus solitary, mostly at apex of lobes or rarely in sinuses; indusium immersed, lacking dark-edged lips but with stellate tri­chomes on margin, the receptacle long-exserted, often many times longer than involucre. Croat 11232.

Distribution on BCI not known. Found on moist tree trunks.

Throughout the American tropics. In Panama, known from tropical moist forest in the Canal Zone (BCI only), Colón, and Panamá, from premontane wet forest in Chiriqui and Panamá, and from tropical wet forest in Panamá (Campo Tres).