Ophioglossum nudicaule L.f.

  • Authority

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

  • Family

    Ophioglossaceae

  • Scientific Name

    Ophioglossum nudicaule L.f.

  • Description

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    Species Description - Stem cylindrical to swollen, never globose, 24 mm diam.; fronds 1-2 per stem, 2-8 cm long, common stalk 0.5-2.5 cm long; sterile blade 0.5-2.5 cm long, 0.2-0.8 cm wide, elliptic to ovate, apex acute, base cuneate or attenuate; venation obscured because of thick texture of blade; sporophore 1.5-7.0 cm long.

  • Discussion

    Type. Cape of Good Hope. Collector not stated (LINN). The largest form of O. nudicaule, known traditionally as O. ellipticum, should also be found in Oaxaca. It resembles O. engelmannii in its bi- reticulate veins. A pale band occurs in the middle of the blade when dried.

  • Distribution

    Terrestrial in meadows and pastures; Mexico (Sin, Dgo, SLP, Jal, Mex, DF); US (Ga, Fla); Guat to Pan; Cuba, Hisp; Col & Fr Gui to Braz & Arg; Africa, trop Asia, Austr.

    Mexico North America| Tasmania Australia| Argentina South America| Brazil South America| French Guiana South America| Colombia South America| West Indies| Cuba South America| Panama Central America| Guatemala Central America|