Callicosta evanescens Müll.Hal.

  • 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

    Pilotrichaceae

  • Scientific Name

    Callicosta evanescens Müll.Hal.

  • Description

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    Species Description - Plants 2-8 cm high, loosely and irregularly pinnate to rather closely and regularly pinnate or bipinnate. Leaves elliptic to oblong-elhptic or oblong-ovate, acute to obtuse and mucronate; margins plane (or sometimes narrowly reflexed at base), serrulate to crenulate; costae about 0.7-0.8 the leaf length, with crest none or only 1 cell high, smooth or occasionally serrulate, ending in a small spine, often bearing propagula at the base; cells somewhat to conspicuously papillose, oblong to elhptic. Dioicous. Setae 0.6-1.3 mm long; capsules shortly exserted.

  • Discussion

    Fig. 627

    C. evanescens C. Müll., Linnaea 21:189. 1848.

    Pilotrichum evanescens(C. Müll.) C. Müll., Syn. Muse Frond. 2:179. 1851.

    P. amazonum Mitt., J. Linn. Soc, Bot. 12: 387. 1869.

    P. cryphaeoides Besch., Ann. Sci. Nat. Bot. VI, 3: 219. 1876.

    P. spiculiferum Bartr., Rhodora 31: 57. 1934.

    The short costae (2/3 or less the leaf length) and basal propagula are the most characteristic features of this species.

  • Distribution

    On trees and shrubs, occasionally on rotten logs, from sea level to 900, rarely 1700 m alt.; Chiapas, Puebla, Veracruz; reported from San Luis Potosi.—Eastern Mexico to northern South America (Guianas); southeastern Brazil; West Indies.

    Mexico North America| Bolivia South America| Brazil South America| Peru South America| Ecuador South America| Colombia South America| Venezuela South America| Guyana South America| Suriname South America| French Guiana South America| Brazil South America| West Indies|