Hookeriopsis heteroica Cardot

  • 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

    Hookeriopsis heteroica Cardot

  • Description

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    Species Description - Plants slender, rather shiny, pale- to brownish-green. Stems irregularly pinnate, about 2 mm wide (with leaves). Leaves loosely spreading or sometimes slightly falcate at the tips when dry, about 1 mm long, broadly lanceolate, rather broadly long-acuminate; margins serrate above, with teeth simple or occasionally bifid; costae slender, not or slightly divergent, ending 2/3 up the leaf, serrulate at back; upper cells rhomboidal, 8-10:1, smooth; basal cells 3-6:1. Polygamous. Setae 6-12 mm long, reddish-orange, smooth; capsules about 1 mm long. Calyptrae smooth or very slightly scabrous above.

  • Discussion

    Figs. 597e-h, 598

    H. heteroica Card., Rev. Bryol. 37: 51. 1910.

    Trachyxiphium heteroicum (Card.) Buck, Brittonia 39: 220. 1987.

    The lance-acuminate leaves are spreading and not or only slightly falcate at the tips when dry. The costa is serrate at back and the cells smooth.

  • Distribution

    On soil and logs in wet forests, up to about 1800 m alt.; Puebla and Veracruz.—Mexico; Cocos Island; Louisiana and Mississippi.

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