Selaginella landii

  • Authority

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

  • Family

    Selaginellaceae

  • Scientific Name

    Selaginella landii Greenm. & N.Pfeiff.

  • Description

    Species Description - Stems prostrate, rooting throughout, branches ca. 5 mm apart, not articulate, not flagelliform, not stoloniferous; isophyllous, strongly dorsiventral, underleaves longer; leaves spreading and bright green above, appressed and buff below, linear-lanceolate, apex acuminate on upper leaves, underleaves short-aristate, leaf bases pubescent, margin short-ciliate; strobili ca. 4-6 mm long, quadrangular; sporophylls monomorphic, green, ascending, ovate-lanceolate, ciliate-denticulate, aristate; megasporangia in two rows; megaspores yellow-orange, 340-380 µm diam., rugose; microspores orange, granulose, some in tetrads.

  • Discussion

    Type. Mexico. Jalisco: San Estéban Mts., 32 km from Guadalajara, Barnes & Land 2024 (MO, frag. US!; isotype GH). This species is related to S. wrightii, which has non-aristate underleaves in short, tufted lateral branches and acuminate sporophylls.

  • Distribution

    Dry, rocky, scrubby slopes; Tlacolula; 1500 m. Mexico (Nay, Jal, Mex, Mor, Pue, Oax).

    Mexico North America|