Sematophyllum galipense (Müll.Hal.) Mitt.

  • Authority

    Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)

  • Family

    Sematophyllaceae

  • Scientific Name

    Sematophyllum galipense (Müll.Hal.) Mitt.

  • Description

    Species Description - Plants medium-sized to fairly robust, yellow-green. Stems irregularly branched; branches ascending, short, blunt, tumid. Leaves erect and ± imbricate, very concave, 1.4-2.2 mm long, short- to long-acuminate; margins often reflexed above, entire; upper cells linear-fusiform, 5-15:1, thick-walled, somewhat shorter and broader at the apex; alar cells enlarged and inflated, oblong, colored; supra-alar cells large and hyaline, distinctly differentiated. Setae 10-30 mm long; capsules suberect to horizontal, up to 1 mm long; endostome segments perforate and cilia single or paired, shorter than the segments. Spores 8-12 µm, finely papillose.

  • Discussion

    Fig. 743

    S. galipense (C. Müll.) Mitt., J. Linn. Soc, Bot. 12: 480. 1869.

    Hypnum galipense C. Müll., Bot. Zeitung 6: 780. 1848.

    Rhaphidostegium lozanoi Card., Rev. Bryol. 37: 57. 1910.

    This species, often confused in the past with 5. subpinnatum, has alar and supra-alar cells larger and apical cells longer. The leaves are generally long-acuminate and very concave.

  • Distribution

    On trees, logs, and boulders in Acacia woodlands or oak-pine forests; Chiapas, Michoacan, Morelos, Nayarit, Oaxaca, Tamaulipas, Veracruz, Yucatan.—Mexico to northern South America; West Indies.

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