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Published In: Bryologia Europaea 2: 153 (Fasc. 29–30. Mon. 1). 1846. (Bryol. Eur.) Name publication detail

Project Name Data (Last Modified On 10/18/2013)
Acceptance : Accepted
Note : by Jerry A. Snider
Project data     (Last Modified On 6/7/2011)
Discussion: The distichous leaves consisting of a sheathing base and a slender roughened subula may give evidence of a relationship outside the Ditrichaceae, and the curious grouping of peristome segments may be phylogenetically significant.
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Slender but often elongate plants in dense, tomentose tufts. Leaves distichous, with an erect, oblong, sheathing base abruptly narrowed to a rough, spreading, linear subula; costa very rough, excurrent, filling most of the subula; upper cells small, subquadrate or short-rectangular, green and obscure, roughened because of thickened cross-walls; lower cells linear or oblong-linear, smooth and pellucid. Autoicous. Perichaetial leaves not notably differentiated. Setae erect, elongate; capsules cylindric or ovoid-cylindric, erect and symmetric or strongly inclined and ± asymmetric, finely wrinkled when dry; annulus large, compound, deciduous in fragments or ± persistent; operculum low-conic; peristome inserted somewhat below the mouth, dark-brown or red-brown, consisting of 16 lanceolate teeth variously split or perforated or 8 groups of about 4 irregular, filiform segments. Spores spherical. Calyptrae cucullate, smooth.

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