Porotrichum guatemalense E.B.Bartram
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Authority
Sharp, Aaron J., et al. 1994. The Moss Flora of Mexico. Part Two: Orthotrichales to Polytrichales. Mem. New York Bot. Gard. 69 (2)
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Family
Neckeraceae
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Scientific Name
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Description
Species Description - Plants slender, up to 4 cm high, in rather dense, dull-green tufts, irregularly branched and subpinnately rebranched above a stipitate base; branches flat or ± julaceous, often blunt-tipped. Stipe leaves broadly triangular, short-acuminate, often eroded at the margins. Frond leaves spreading, concave, about 1.6 mm long, oblong-ovate, abruptly shortacute; margins erect, sharply denticulate above; costa about 2/3 the leaf length; cells at the apex short (hexagonal, subquadrate, or rhombic), evenly thick-walled, more elongate below, linear at base. Setae 9 mm long, slender, slightly pustulate at the tip; capsules 2 mm long, ovoid, short-necked; operculum 1.5 mm long; endostome about as long as the teeth, with perforate segments and papillose cilia. Spores 11-16 µm.
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Discussion
Fig. 568a-c
P. guatemalense Bartr., Bryologist 49: 117. 1946.
P. leavenworthii Bartr. ex Leavenw., Amer. Midi. Naturalist 36: 157. 1946.
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Distribution
On trunks and branches of trees at 2000-3000 m alt.; Distrito Federal, Michoacan, Oaxaca.—Mexico; Guatemala.
Mexico North America| Guatemala Central America|