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Las Briofitas. Bolivia Ecologica 59
!Straminergon stramineum (Dicks. ex Brid.) Hedenäs Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Journal of Bryology 17(4): 463. 1993. (J. Bryol.) Name publication detail
 

Project Name Data (Last Modified On 5/18/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/13/2013)
EcoRegions: Puna, Yungas montane forest
Elevation: 2500-3000, 3000-3500, 3500-4000, 4000-4500, 4500-5000
Substrate: soil
Frequency: common

Notes     (Last Modified On 7/13/2013)
general taxon notes:

Ecology. Open Yungas montane and puna; boggy sites, in part associated with Distichia muscoides in the puna, on soil and humus. Elevation. 2600-4750 m. Distribution. Bolivia: Cochabamba, La Paz. World range: widespread in the Northern Hemisphere; in the Neotropics known from Guatemala, Colombia, Peru and Bolivia.
 
Ecología. Montano abierto de Yungas y puna; sitios pantanosos, en la puna asociada parcialmente con Distichia muscoides, sobre suelo y humus. Altitud. 2600-4750 m. Distribución. Bolivia: Cochabamba yLa Paz. Distribución mundial: amplia distribución en el hemisferio norte; en el Neotrópico está registrado en Guatemala, Colombia, Perú y Bolivia.
 
Straminergon stramineum is characterized by the pale yellow or yellowish-green medium sized plants, erect, imbricate, concave, broadly ovate to oblong ovate leaves, obtuse to rounded, often cucullate apex, short and broadly decurrent base, costa ending above midleaf, porose, linear median and upper cells, well differentiated alar region, cells mostly irregularly round-rectangular. This species was previously placed in Calliergon.
 
Straminergon stramineum se caracteriza por las plantas medianas, amarillas pálidas o verde-amarillentas, hojas erectas, imbricadas, cóncavas, ampliamente ovadas a oblongo ovadas, ápices obtusos a redondeados, a menudo cuculados, bases cortas y ampliamente decurrentes, costa terminando encima de media hoja, células mediales y superiores lineares, porosas, región alar bien diferenciada, células por lo general irregularmente redondeado-rectangulares. Esta especie fue localizada previamente en Calliergon.

 

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Plants medium sized, pale green to yellowish-green. Stems irregularly branched; in cross-section hyalodermis absent, central strand present. Leaves loosely imbricate, rarely spreading, narrowly ovate to oblong-ovate, to 2 mm long, concave, not plicate, apex obtuse to rounded, often cucullate; margins plane or reflexed at base, entire; costa single, ca. 2/3 leaf length; laminal cells smooth, upper and median cells linear, porose; alar region sharply differentiated, cells short to somewhat long rectangular, rounded, thin- to firm-walled. Dioicous. [Setae elongate. Capsules horizontal, cylindrical, curved; opercula conic; peristome double, well developed. Calyptrae cucullate, naked. Spores finely papillose].

 

Plantas medianas, de color verde pálidas a verde-amarillentas. Tallos irregularmente ramificados; sin hialodermis en corte transversal, cordón central presente. Hojas laxamente imbricadas, rara vez patentes, angostamente ovadas a oblongo-ovadas, de 2 mm de largo, cóncavas, no plegadas, ápices obtusos a redondeados, a menudo cuculados; márgenes planos o reflexos en la base, enteros; costa simple, ocupando ca. 2/3 de la longitud de la hoja; células de la lámina lisas, células superiores y mediales lineales, porosas; región alar claramente diferenciada, células cortas a algo largo-rectangulares, redondeadas, con paredes delgadas a firmes. Dioicas. [Setas largas. Cápsulas horizontales, cilíndricas, curvadas; opérculo cónico; peristoma doble, bien desarrollado. Caliptra cuculada y desnuda. Esporas finamente papilosas].

 
 


 

 
 
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