Selaginella wrightii Hieron.

  • 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 wrightii Hieron.

  • Description

    Species Description - Stems prostrate, rooting throughout, not articulate, not flagelliform, not stoloniferous, branches 5-10 mm apart, secondary branches short, 1-2 cm long, upturned; isophyllous throughout; leaves somewhat spreading, more so on top, bluish-grayish-green, linear-lanceolate, margin short-ciliate, apex acuminate, seta lacking, base pubescent; strobili quadrangular, long, mostly 1.5-2 cm long; sporophylls monomor-phic, green, ascending, lanceolate, similar to vegetative leaves, long-ciliate to base; megaspores pale to bright orange, 270-380 µm diam., rugose; microspores bright orange.

  • Discussion

    Type. United States. Texas: Uvalde Co., Turkey Creek, nr. Cline, Wright 828 (B; isotypes GH!, NY!, US!) R. Tryon (1955) reported that this is the only species in the S. rupestris group that he could class definitely as a calciphile.

  • Distribution

    Dry, rocky slopes, scrubby hillsides; Huajuapan, Miahuatlán, Teotitlán, Villa Alta, Yautepec; 900-1700 m. Mexico (Chih, Coah, NL, SLP, Tam, Hgo, Pue, Zac, Gro, Oax); US (Tex, NM).

    Mexico North America| Texas United States of America North America| New Mexico United States of America North America|