Huperzia wilsonii (Underw. & F.E.Lloyd) B.Øllg.

  • Authority

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

  • Family

    Lycopodiaceae

  • Scientific Name

    Huperzia wilsonii (Underw. & F.E.Lloyd) B.Øllg.

  • Description

    Species Description - Plants ca. 20 cm long, erect when young, becoming pendent, 4–6 times dichotomous; stems ca. 1–1.5 mm diam. (not including leaves), stramineous to light brown; leaves spirally arranged in several ranks, sparsely covering the stems, spreading to somewhat ascending, linear, 1–1.3 cm x ca. 0.2–0.3 mm, leaf bases often tinged with red; sporophylls resembling vegetative leaves, not expanded at bases; sporangia conspicuous among the sparse narrow leaves.

  • Discussion

    Lycopodium wilsonii Underw. & F. E. Lloyd, Bull. Torrey Bot. Club 33: 111. 1906. Urostachys wilsonii (Underw. & F. E. Lloyd) Herter, Repert. Spec. Nov. Regni Veg. 19: 163. 1923. Type. Puerto Rico. Luquillo Mts., Wilson 271 (NY!). Lycopodium trichodendron Herter, Bot. Jahrb. Syst. 43(Beibl. 98): 49. 1909. Urostachys trichodendron (Herter) Herter, Repert. Spec. Nov. Regni Veg. 19: 163. 1923. Lectotype (chosen by Herter, 1923: 163). Guadeloupe. Bory 103 (P). Lycopodium arcanum Maxon ex Yuncker, Publ. Field Mus. Nat. Hist., Bot. Ser. 17: 310, t. 3. 1938. Type. Honduras. Comayagua: Above El Achote, Yuncker, Dawson & Youse 6149 (US!).

    Øllgaard (1983) reported that plants become pendent with age. It is rare in Guatemala at 1300–1500 m. Huperzia wilsonii closely resembles H. dichotoma but is distinct in its very narrow leaves.

  • Distribution

    Pendent epiphytes of wet montane forests on Atlantic slope; 1400–1600 m. Mexico; Guat, Nic, CR, Pan; Jam, PR, L Ant; Col, Ven, Trin, Ec, Peru.

    Mexico North America| Peru South America| Amazonas Ecuador South America| Trinidad and Tobago South America| Venezuela South America| Colombia South America| West Indies| Puerto Rico South America| Jamaica South America| Panama Central America| Costa Rica South America| Nicaragua Central America| Guatemala Central America|