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Published In: Contributions from the University of Michigan Herbarium 20: 132. f. 3–4. 1995. (Contr. Univ. Michigan Herb.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 10/18/2009)
Acceptance : Accepted
Project Data     (Last Modified On 6/6/2018)
Status: endemic
Plant Category: Mosses
country distribution: Venezuela
EcoRegions: Amazon (incl. Llanos)
elevation: 0-500
substrate: soil
frequency: rare
General Reference:

Notes     (Last Modified On 6/6/2018)
Notes:

Ecology: Amazon forest adjoining the tepui region; on white sand, along white water river. Elevation: ca. 140 m. Distribution: Endemic to Venezuela. Assigned to section Sphangum.

Ecología: Bosque Amazónico adyacente a la región de tepuyes; sobre arena blanca, a lo largo de ríos de agua blanca. Elevación: 140 m. Distribución: Endémica para Venezuela. Asignada a la sección Sphagnum.

Crum (1995) notes several of the distinctive features of this species, including the small size of the plants, prostrate habit, single branches produced on one side, and the leaf base clasping and above wide spreading.

Crum (1995) mencionó varias de las características distintivas de esta especie, incluyendo las plantas pequeñas, hábito postrado, ramas simples producidas en un lado, y la base envainante de la hoja y arriba ampliamente patente.


 

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Plants small, pale green, to 4 cm. Stems prostrate or ascending, irregularly branched, mostly on one side, cortex 2-layered, fibrils absent, rarely 1-porose, wood cylinder yellow-brown. Stem leaves similar to branch leaves, long-ovate, 2.5-3 mm, concave, apex cucullate, base clasping, wide-spreading to squarrose above (wet or dry), margins bordered by a resorption furrow; hyaline cells fibrillose on both surfaces throughout, on the outer surface with elliptic pores commonly in 3’s at adjacent angles, on the inner surface pores absent or few; in cross-section green cells trapezoidal, exposed somewhat more broadly on the inner surface, hyaline cells broadly convex on the inner surface, somewhat convex on the outer. Branches single, often forked at the tip, cortex lacking fibrils, not or rarely uniporose. Branch leaves somewhat smaller, to 2 mm. Crum 1995.

Plantas pequeñas, verde pálidas, hasta 4 cm. Tallos postrados o ascendentes, irregularmente ramificados, generalmente en un lado, corteza biestratificada, fibrillas ausentes, rara vez 1-porosas, cilindro leñoso marrón-amarillo. Hojas del tallo similares a las hojas de las ramas, largo-ovadas, 2.5-3 mm, cóncavas, ápices cuculados, bases envainantes, extendidas a escuarrosas encima (húmedo o seco), márgenes bordeados por un canal de resorción; células hialinas fibrilosas en ambas superficies, en la superficie externa con poros elípticos comúnmente en grupos de tres en los ángulos adyacentes, superficie internas con pocos o sin poros; en corte transversal células verdes trapezoidales, expuestas algo más ampliamente en la superficie interna, células hialinas anchamente convexas en la superficie interna, algo convexas en la superficie externa. Ramas simples, frecuentemente bifurcadas en el ápice, corteza sin fibrillas, no o rara vez uniporosas. Hojas de las ramas algo menores, hasta 2 mm. Crum 1995.

 
 


 

 
 
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