Selaginella sartorii Hieron.

  • Authority

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

  • Family

    Selaginellaceae

  • Scientific Name

    Selaginella sartorii Hieron.

  • Description

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    Species Description - Stems prostrate, branches 2–10 mm apart, ultimate branches short, 3–8 mm long, ascending, dorsiventral, not articulate, not flagelliform, not stoloniferous; rhizophores borne throughout stem length; leaves of one kind (isophyllous) throughout stem length; blue- to gray-green, often some reddish, appressed to slightly spreading, imbricate, covering leaf bases and stems, linear-lanceolate, bases pubescent, margins ciliate, cilia white, usually fewer than 15 per side, leaf apices aristate, aristae white 0.8–1 mm long; strobili short and nearly round, subquadrangular to quadrangular, 8–10 mm long; sporophylls monomorphic; megasporangia several at base of strobili; microsporangia distal to megasporangia; megaspores yellow to orange-yellow, rugosereticulate, 150–220 µm diam.; microspores reddish orange to orange.

  • Discussion

    Selaginella rupestris (L.) Spring var. sartorii (Hieron.) Frye, Ferns Northwest 31. 1934. Bryodesma sartorii (Hieron.) Soja´k, Preslia 64: 155. 1992. Lectotype (chosen by Weatherby, J. Arnold Arbor. 25: 418. 1944). Mexico. Veracruz: Mirador, Sartorius s.n. (B!, frag. NY!).

    Selaginella porrecta Weath., J. Arnold Arbor. 25: 416. 1944. Type. Mexico. Nuevo Leo´n: “Alamar,” Pablillo, SE of Galena, Pennell 17198 (US!, photo UC!).

    Selaginella hintonii Weath., J. Arnold Arbor. 25: 418. 1944. Type. Mexico. Me´xico: Dist. Temascaltepec, Ypericones, Hinton 8423 (GH, frag. US; isotypes ENCB, NY!, UC!, photo UC!).

    Unverified, Doubtful, or Mistaken Reports. Dgo (Ortega 5319, US, cited by R. Tryon, 1955, but not verified). NL (Orcutt 1098, US, cited by R. Tryon, 1955, but not verified). SLP (Pennell 17753, US, cited by R. Tryon, 1955, but not verified). Tam (Bartlett 10355, US, cited by R. Tryon, 1955, but not verified).

    R. Tryon (1955) reported that S. sartorii and S. sellowii are not well separated morphologically. The principal character of piliform pubescence on leaf bases is best seen on leaves at branching points. The less imbricate leaves of S. sellowii appear to correlate with the lack of pubescence and shorter setae on leaf tips. Tryon also synonymized S. porrecta and S. hintonii, which Weatherby (1944) distinguished on the basis of minor spore characters.

  • Distribution

    Terrestrial or epipetric on dry, rocky slopes, often with cacti, Agave, Acacia; 1500–2350 m. Mexico; Col, Ven.

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