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Las Briofitas. Bolivia Ecologica 59
!Philonotis uncinata (Schwägr.) Brid. 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: Bryologia Universa 2: 22. 1827. (Bryol. Univ.) Name publication detail
 

Project Name Data (Last Modified On 11/22/2009)
Acceptance : Accepted
Project Data     (Last Modified On 1/4/2014)
EcoRegions: Amazon, Chiquitano, Yungas montane forest, Tucuman-Bolivian montane
Elevation: 0-500, 500-1000, 1000-1500, 1500-2000, 2000-2500, 2500-3000
Substrate: soil, rocks
Frequency: common

Notes     (Last Modified On 1/4/2014)
general taxon notes:

Ecology. Lowland Amazon, Chiquitano and Chaco to Yungas and Tucuman-Bolivia montane; in wet or seepy habitats, on soil and rocks. Elevation. 120-2740 m. Distribution. Bolivia: Beni, Chquisaca, Cochabamba, La Paz, Pando, Santa Cruz, Tarija. World range: sureste United States, Mexico, widespread in the Neotropics.
 
Ecología. Tierras bajas de la amazonia, Chiquitano y Chaco hasta montano de Yungas y Tucumano-boliviano; en hábitats húmedos o con filtraciones, sobre suelo y rocas. Altitud. 120-2740 m. Distribución. Bolivia: Beni, Chquisaca, Cochabamba, La Paz, Pando, Santa Cruz y Tarija. Distribución mundial: sureste de Estados Unidos, México, amplia distribución en el Neotrópico.
 
Philonotis uncinata is characterized by the rather stiffly erect plants mostly to 2 cm, erect to secund (when dry), oblong- to triangular-lanceolate to ca. 1.5(2) mm, often curved, acuminate to acute (rarely obtuse) apices, revolute, serrate margins throughout, percurrent to short excurrent costa, papillose upper lamina cells that are 10 µm or less wide with papillae strongerly projecting on distal cell ends, dioicous sexual condition, erect setae to 30 mm, and furrowed capsules to 2 mm. Philonotis glaucescens (Hornsch.) Broth. and P. gracillima Ångstr., considered here to be synonyms, have been treated as distinct species or as varieties of P. uncinata. However it is not uncommon among Andean collections to find populations with both or all three taxa (forms), and these often appear to intergrade. The form called Philonotis gracillima (or as P. uncinata var. gracillima) has been confused with P. hastata (Duby) Wijk & Margad., both usually are small plants, exhibiting a bluntly acute or subobtuse apex, however in the latter the median and upper laminal cells are broader (10-15 µm).
 
Philonotis uncinata se caracteriza por las plantas erectas bastante rígidas, generalmente hasta 2 cm, erectas a unilaterales (en seco), hojas oblongo- a triangular-lanceoladas hasta ca. 1.5(2) mm, ápice acuminados a agudo (rara vez obtusos), a menudo curvados, márgenes completamente serrados, revolutos, costa percurrente a corto-excurrente, células superiores de la lámina papilosas, tienen 10 µm de ancho o menores, con papilas fuertes proyectándose en los extremos distales de las células, condición sexual dioica, setas erectas hasta 30 mm y cápsulas acanaladas hasta 2 mm. Philonotis glaucescens (Hornsch.) Broth. y P. gracillima Ångstr., son consideradas aquí como sinónimos, han sido tratadas como especies o variedades diferentes de P. uncinata. Sin embargo, no es raro encontrar poblaciones con ambos o los tres taxa (formas) entre las colecciones andinas, y a menudo aparecen formas intermedias. La forma denominada Philonotis gracillima (o P. uncinata var. gracillima) ha sido confundida con P. hastata (Duby) Wijk & Margad., ambas generalmente son pequeñas, que presentan un ápice obtusamente agudo o subobtuso, aunque en la última las células mediales y superiores de la lámina son más anchas (10-15 µm).

 


 

 
 
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