Trichomanes polypodioides L.

  • Authority

    Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.

  • Family

    Hymenophyllaceae

  • Scientific Name

    Trichomanes polypodioides L.

  • Description

    Species Description - Rhizomes slender, 0.3–0.5 mm diam., green, long-creeping; rhizome hairs sparse, 1 mm long, brown; roots present; fronds 4–15 cm long, distant; stipes less than 1/10 the frond length, greenish, 0.3 mm wide, with sessile, forked hairs 1 mm long; blades pinnatifid, linear-lanceolate, 1–3 cm wide, alate to bases, margins entire, with brown, sessile, stellate hairs 1 mm long on veins and margins; veins free, with scattered to rare, short, black, clavate hairs 0.1 mm long; sori 1–2 at segment apices; involucres immersed in blade tissue, 1.5 mm long, mouths slightly flaring, 1 mm wide, not bilabiate, concolorous; n =64 (Trin).

  • Discussion

    Neotype (chosen by Proctor, Fl. L. Antill. 2: 93. 1977). Montserrat. Proctor 19068 (A; isoneotype US!, GH!).

    Trichomanes sinuosum Rich. ex Willd., Sp. Pl., ed. 4, 5(1): 502. 1810. Type. Guadeloupe. Richard s.n. (B-Willd. 20191!).

    Trichomanes polypodioides is distinct by its small pinnatifid blades with stellate hairs and lack of false veins.

  • Distribution

    Epiphytic in wet montane forests along Atlantic slope; 250–1300 m. Mexico; Guat, Bel, Hond, Nic, CR, Pan; Gr & L Ant; Col, Ven, Trin, Guy, Sur, Fr Gui, Ec, Peru, Braz, Bol, Parag, Uru.

    Mexico North America| Uruguay South America| Paraguay South America| Bolivia South America| Peru South America| Amazonas Ecuador South America| French Guiana French Guiana South America| Suriname South America| Guyana South America| Trinidad and Tobago South America| Venezuela South America| Colombia South America| West Indies| Panama Central America| Costa Rica South America| Nicaragua Central America| Honduras Central America| Belize Central America| Guatemala Central America|