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FNA | Family List | FNA Vol. 27 | Andreaeaceae | Andreaea

3. Andreaea sinuosa B. M. Murray, Bryologist. 89: 189, figs. 1-17. 1987.

Plants reddish brown to black. Leaves weakly spreading, straight or sometimes secund, narrowly lanceolate, widest proximally, apex symmetric; costa absent; leaf margins entire; basal laminal cells rectangular, marginal cells not different in shape, walls thickened, pitted, sinuose; medial laminal cells rounded-quadrate to ovate, 1-stratose entirely or sometimes 2-stratose in patches distally, lumens rounded; laminal papillae low, large, brown to whitish, mainly medial. Sexual condition apparently dioicous, possibly cladautoicous; perichaetial leaves differentiated, convolute-sheathing. Spores 12-20 ┬Ám.

Acidic rock in snow beds; low to moderate elevations; B.C.; Alaska; nw Europe.

Andreaea sinuosa is uncommon, and is distinguished from the similar A. rupestris by the symmetric and often rounded leaf apex and sinuose basal laminal cells.


 

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