Daltonia gracilis 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

    Daltoniaceae

  • Scientific Name

    Daltonia gracilis Mitt.

  • Description

    Species Description - Plants glossy, yellow-green or brownish, up to 15 mm high. Leaves erect or erect-spreading, flexuose when moist, flexuose-twisted when dry, 1-3 mm long, keeled, linear-lanceolate, acuminate; margins entire, narrowly revolute nearly throughout or only here and there and on 1 side or the other, or both, bordered b y 6-9 rows of cells at base, 3-5 at midleaf, and 1-3 at the apex; costa extending about 6/7 the leaf length; upper cells oblong-hexagonal to rhomboidal; basal cells variously elongate. Autoicous and synoicous. Setae u p to 7 mm long, red-brown, scabrous above; capsules erect or inclined. Spores 10-14 µm, papillose.

  • Discussion

    Fig. 576

    D. gracilis Mitt, J. Linn. Soc, Bot. 12: 402. 1869.

    D. hrifolia C. Müll., Flora 58: 550. 1875.

    D. wallisii C. Müll., Flora 58: 550. 1875.

    D. ocanniana C. Müll., Flora 58: 551. 1875.

    D. hampeana Geh., Rev. Bryol. 6: 67. 1879.

    D. minutifolia C. Müll., Nuovo Giorn. Bot. Ital. II, 4: 148. 1897.

    D. curvicuspisC. Müll., Hedwigia39: 268. 1900.

    D. krauseanaC. Müll. ex Dus., Bot. Not. 1905: 307. 1905.

    D. ariquensis Schimp. ex Bartr., Bull. Torrey Bot. Club 58: 47. 1931, nom. nud. in syn.

    On trunks and exposed roots of trees at 2500-2950 m. alt.; Chiapas, Michoacan, Oaxaca, Puebla.—Mexico; Central America; northern South America.