Hymenophyllum microcarpum Desv.

  • Authority

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

  • Family

    Hymenophyllaceae

  • Scientific Name

    Hymenophyllum microcarpum Desv.

  • Description

    Species Description - Rhizomes long-creeping, 0.8–1 mm diam.; rhizome hairs 1.5–2 mm long; fronds 10–30 x 4–10 cm, distant; stipes 0.5–1 mm diam., alate ca. 1/4–1/2 the length, with hairs stellate; blades pinnate-pinnatifid or pinnate-bipinnatifid, ovate-deltate; rachises alate with mixed stalked, stellate hairs and simple hairs; margins plane or undulate, entire; segments 0.8–1 mm wide; hairs on veins stalked, stellate and simple, sessile on margins, forked; involucres ovate-elliptic, 1 x 0.8–1 mm, margins with simple hairs, receptacles not exserted.

  • Discussion

    Sphaerocionium microcarpum (Desv.) Copel., Philipp. J. Sci. 67: 34. 1938. Type. Hispaniola. s. coll. s.n. (P!; photo US!). For additional synonymy, see Morton, 1947.

    Hymenophyllum microcarpum is distinct by its large, deltate blades and stout, distally winged stipes.

  • Distribution

    Mostly epiphytic in wet montane forests; 1900–2200 m. Mexico; Guat, Hond, Salv, Nic, CR, Pan; Gr Ant, Dominica; Col, Ven, Guy, Ec, Peru, s Braz, Bol.

    Bolivia South America| Brazil South America| Peru South America| Ecuador South America| Guyana South America| Venezuela South America| Dominica South America| Panama Central America| Nicaragua Central America| El Salvador Central America| Honduras Central America| Guatemala Central America| México Mexico North America|