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Catalogo de las Briofitas
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Published In: Deutschlands Kryptogamen-Flora 2(3): 79. 1848. (Deutschl. Krypt.-Fl.) Name publication detail
 

Project Name Data (Last Modified On 5/6/2009)
Acceptance : Accepted
Notes     (Last Modified On 10/29/2012)
general taxon notes:

Pleruidium contains some 30 species of mostly temperate regions; about 10 species in the Neotropics, a single species recorded for Bolivia. The genus is found in open montane to páramo and puna in the tropical Andes; associated with exposed sites, i.e., pastures. The neotropical species Pleruidium, of which several have been described, are in need of revision.

 

Pleruidium contiene unas 30 especies generalmente de regiones templadas; ca. 10 especies en el Neotrópico. En Bolivia se registra sólo una especie: Pleuridium andinum Herzog. En zonas abiertas del bosque montano al páramo y puna en los Andes tropicales; asociada con sitios expuestos, p.ej., praderas. Las especies neotropicales de Pleruidium necesitan una revisión.


Reference List     (Last Modified On 10/29/2012)
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Plants very small, 2-4 mm tall, forming short tufts, light or yellowish green. Stems erect, short, few branched by innovations. Leaves erect to erect-spreading wet or dry, smaller and ± distant below, crowded above, short to long subulate from an ovate base; costae single, short to rather long excurrent; laminal cells narrowly elongate, smooth. Autoicous. Perichaetia terminal; leaves larger, oblong-narrowly lanceolate. Capsules immersed, cleistocarpous, globose to ellipsoid-rounded; exothecial cells large, short to elongate; opercula and peristome absent. Calyptrae cucullate? or short mitrate. Spores forming tetrads or not, densely papillose.

 

Plantas muy pequeñas, 2-4 mm de alto, formando manojos cortos, de color verde claro o amarillento. Tallos erectos, cortos y poco ramificados por innovaciones. Hojas erectas hasta erecto-extendidas en húmedo o seco, menores y ± distantes abajo, agregadas arriba, corto- hasta largo-subuladas desde una base ovada; costa simple, corto- hasta bastante largo-excurrente; células de la lámina angostamente alargadas, lisas. Autoicas. Periquecios terminales; hojas mayores, oblongo-estrechas lanceoladas. Cápsulas inmersas, cleistocárpicas, globosas hasta elipsoide-redondas; células exoteciales grandes, cortas hasta alargadas; opérculo y peristoma ausentes. Caliptra cuculada? o corto-mitrada. Esporas formando tetradas o no, densamente papilosas.

 
 
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