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!Isopterygium tenerum (Sw.) Mitt. 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 the Linnean Society, Botany 12: 499. 1869. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/20/2009)
Acceptance : Accepted
Project Data     (Last Modified On 12/2/2013)
EcoRegions: Amazon, Chiquitano, Yungas montane forest, Tucuman-Bolivian montane
Elevation: 0-500, 500-1000, 1000-1500, 1500-2000, 2000-2500
Substrate: soil, rocks, leaf litter, logs, treelets and trees
Frequency: common

Notes     (Last Modified On 12/2/2013)
general taxon notes:

Ecology. Amazon and Chiquitano lowland forest to Yungas and Tucuman-Bolivian montane forest; on soil, humus, leaf litter, logs and base of trees. Elevation. 190-2340 m. Distribution. Bolivia: Beni, Chuquisaca, Cochabamba, La Paz, Pando, Santa Cruz, Tarija. Widespread in the Neotropics, eastern North America.

Ecología. Bosque de tierras bajas amazónico y Chiquitano a bosque montano de Yungas y Tucumano-boliviano; sobre suelo, humus, hojarasca, troncos en descomposición y bases de árboles. Altitud. 190-2340 m. Distribución. Bolivia: Beni, Chuquisaca, Cochabamba, La Paz, Pando, Santa Cruz y Tarija. Amplia distribución en el Neotrópico, este de Norte América.

Isopterygium tenerum is characterized by the ovate-acuminate leaves (mostly less than 1.2 mm long), few quadrate to short rectangular alar cells, 2-4 along margin, and strongly constricted below the capsule mouth. This species is the most common member of the genus in the lowland Amazon and Chiquitano forest, and lower Yungas montane forest; generally replaced by Isopterygium byssobolax in Tucuman-Bolivian montane forest in southern Bolivia. Isopterygium tenerum is likely to be confused with I. byssobolax, the former is distinguished by the 1-3(4) quadrate cells along the leaf base margin, the latter by the more numerous (4-10) quadrate cells.Taxicaulis cylindraceus Müll. Hal., described from a collection made by Germain in 1889 in the vicinity of Choquecamata, Department of Cochabamba, is a synonym.

Isopterygium tenerum se caracteriza por las hojas ovado-acuminadas (generalmente menores a 1.2 mm de largo), pocas células alares cuadradas a corto rectangulares, 2-4 a lo largo del margen y cápsula marcadamente constricta debajo de la boca. Esta especie es el miembro más común del género en los bosque de tierras bajas amazónico y Chiquitano, y bosque montano inferior de Yungas; generalmente es reemplazada por Isopterygium byssobolax en el bosque montano Tucumano-boliviano del sur de Bolivia. Isopterygium tenerum puede ser confundida con I. byssobolax, la primera se distingue por las células cuadradas 1-3(4) a lo largo del margen basal de la hoja, la última tiene más células cuadradas (4-10).Taxicaulis cylindraceus Müll. Hal., descrita de la colección realizada por Germain en 1889 en los alrededores de Choquecamata, departamento de Cochabamba, es un sinónimo.


 


 

 
 
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