Lycopodium dichotomum Jacq.

  • Authority

    Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.

  • Family

    Lycopodiaceae

  • Scientific Name

    Lycopodium dichotomum Jacq.

  • Description

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    Species Description - Plants 15-55 cm long, pendent from an arching base, 2-6 times dichotomous, the primary divisions often widely divaricate (45-90°), the distal divisions usually divergent at smaller angles; stems 1.5-3.5 mm diam. (without leaves), stramineous to light brown; leaves spirally arranged in many ranks, spreading (especially the basal ones) to ascending, linear, basal leaves 1.5-2.0 cm long, 0.8-1.0 mm wide, entire, papyraceous, often subfalcate, midrib raised below; sporophylls reduced to 8-15 mm long, 0.5 mm wide, otherwise similar to vegetative leaves, not expanded at the base; sporangia visible.

  • Discussion

    Urostachys dichotomus (Jacquin) Herter, Beih. Bot. Centralbl. 39: 249. 1922. Huperzia dichotoma (Jacquin) Trevisan, Atti Soc. Ital. Sci. Nat. 17:248. 1874 [1875]. Lectotype. Jacquin, Hort. bot. vindob. 3: t. 45. 1776, illustrating a plant from Martinique. This species is very similar to L. wilsonii, but that species has much narrower leaves that are more widely spreading.

  • Distribution

    Pendent epiphyte in wet montane forests; Choapan, Cuicatlán; 500 m (3001000 m in Chis). Mexico (SLP, Ver, Pue, Oax, Chis); US (Fla); Guat to Pan; WI, Trin; Col to Fr Gui, to Peru, Braz, Parag.

    Mexico North America| Paraguay South America| Brazil South America| Peru South America| French Guiana South America| Colombia South America| Trinidad and Tobago South America| West Indies| Panama Central America| Guatemala Central America| Florida United States of America North America|