Hymenophyllum asplenioides (Sw.) Sw.

  • Authority

    Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.

  • Family

    Hymenophyllaceae

  • Scientific Name

    Hymenophyllum asplenioides (Sw.) Sw.

  • Description

    Species Description - Rhizome filiform, wide-creeping, light brown, sparingly clothed with deciduous appressed yellowish hairs. Fronds pendent, distant, 7-12(-20) cm long, the capillary glabrous stipes shorter than the blades. Blades ligulate to oblong, 1-3 cm broad (rarely more), rounded-obtuse to acutish at apex, scarcely reduced at the pinnatisect base, upward deeply and coarsely pinnatifid, the flexuous rhachis broadly winged throughout; segments oblique, decurrent, coarsely and obliquely pinnatifid or digitate-lobate (rarely simple), the lobes few, chiefly acroscopic, ca. 3 mm broad, flat, entire, the veins of the sterile ones not reaching the apices; tissue bright green, firmly membranous, pellucid. Soral valves suborbicular to roundish-ovate, 2-2.5 mm broad, immersed about halfway in segment tissue; receptacle included, very short.

  • Discussion

    Basionym. Trichomanes asplenioides Swartz, Prodr. 136. 1788.

    Type. Swartz, from Jamaica without exact locality (S, photo US).

    Syn, Mecodium asplenioides (Swartz) Copeland, Philipp. J. Sci. 67: 26. 1938.

  • Distribution

    General Distribution. Greater Antilles and