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Published In: Journal of the Linnean Society, Botany 10: 174. 1868. (J. Linn. Soc., Bot.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/16/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/7/2017)
Plant Category: Mosses
country distribution: Venezuela, Colombia, Ecuador, Peru, Bolivia
EcoRegions: Montane Forest, Amazon (incl. Llanos)
elevation: 0-500, 500-1000, 1000-1500, 1500-2000, 2000-2500, 2500-3000
substrate: soil, logs, treelets and trees
frequency: common

Notes     (Last Modified On 10/7/2017)
Notes:
Ecology: Infrequent in lowland forest, typically extending to lower montane, rarely to high montane forest; on humus, logs and base of trees. Elevation: 300-3150 m (Venezuela: 300-2745 m, Colombia: 800-3150 m, Ecuador: 500-1845 m, Peru: 800-2550 m, Bolivia: 850-2200 m). Distribution: Pantropical; in the Western Hemisphere widespread in the Neotropics and extending into southeast United States.
 
Ecología: Escasa en bosques de tierras bajas, típicamente extendiéndose hasta la región montana inferior, raramente hasta el bosque montano alto; on humus, leños y base de árboles. Elevación: 300-3150 m (Venezuela: 300-2745 m, Colombia: 800-3150 m, Ecuador: 500-1845 m, Perú: 800-2550 m, Bolivia: 850-2000 m). Distribución: Pantropical; en el Hemisferio occidental distribuida ampliamente en el Neotrópico y extendiéndose al sudeste de los Estados Unidos.
 
Pyrrhobryum spiniforme is characterized by the narrowly, long linear leaves, slight decurrent leaf base, doubly toothed margins, sexual condition synoicous, sporophytes produced at stem base.
 
Pyrrhobryum spiniforme se caracteriza por las hojas largo lineares, angostas, bases de las hojas poco decurrentes, márgenes doblemente dentados, condición sexual sinoica, esporofitos emergen de las bases de los tallos.

 

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Plants medium sized, often appearing somewhat feathery, forming loose tufts, dark green and glossy, occasionally yellowish-green. Stems erect, sometimes curved or curled, to 6(12) cm tall, solitary or occasionally branched, often grooved below; densely tomentose at base (to 5 mm, rarely extending to 10 mm from base). Leaves crispate and curled when dry, erect-spreading to wide-spreading when wet, linear to linear-subulate, (5)6-8 mm long, 0.40-0.75 mm wide, somewhat concave or folded, apex acuminate, often terminating in double tooth, base undifferentiated or occasionally indistinctly decurrent, decurrencies to 0.2 mm long, margins plane distally, slightly recurved at base; costae percurrent to excurrent, toothed on back; upper median cells 4, 5 or 6-sided, (7)10-14 µm in diameter; marginal base cells quadrate to rectangular, 14-30 µm long, to 10 µm wide. Synoicous. Perichaetia confined to stem base; leaves narrowly lanceolate from an ovate base, margins of sheathing base entire, limb sharply toothed, teeth single; costae excurrent, tip doubly toothed; paraphyses long cylindrical. Setae 4-6(8) cm long. Capsules inclined to horizontal, urn ellipsoid-cylindrical, curved, smooth to somewhat striate when deoperculate, (1.5)2-3 mm long; exothecial cells hexagonal, thick-walled; opercula conic-rostrate, 1.5-2.0 mm long; peristome with exostome teeth reddish-orange below, pale yellow or hyaline above, striate below becoming papillose distally; endostome pale yellow or hyaline, lightly papillose, keeled. Calyptrae ca. 3.5 mm long. Spores 16-18 µm in diameter.
 
Plantas de tamaño mediano, generalmente aparentemente algo plumosas, formando manojos laxos, verde oscuras y brillantes, ocasionalmente verde-amarillentas. Tallos erectos, algo curvados u ondulados, hasta 6(12) cm de alto, solitarios u ocasionalmente ramificados, generalmente acanalados abajo; densamente tomentosos en la base (hasta 5 mm, raramente extendiéndose hasta 10 mm desde base). Hojas crispadas y onduladas en seco, erecto-extendidas a amplio-extendidas en húmedo, linear a linear-subuladas, (5)6-8 mm de largo, 0.40-0.75 mm de ancho, algo cóncavas o plegadas, ápice acuminado, generalmente terminando en un diente doble, base indiferenciada u ocasionalmente indistintamente decurrente, decurrencias hasta 0.2 mm de largo, márgenes planos distalmente, levemente recurvados en la base; costa percurrente a excurrente, dentada dorsalmente; células mediales superiores de 4, 5 ó 6 lados, (7)10-14 µm de diámetro; células marginales basales cuadradas a rectangulares, 14-30 µm de largo, hasta 10 µm de ancho. Sinoicas. Periquecios confinados a la base del tallo; hojas angostamente lanceoladas desde una base ovada, base vaginante con márgenes enteros, limbo fuertemente dentado, dientes simples; costa excurrente, extremo doblemente dentado; paráfisis largo-cilíndricas. Setas 4-6(8) cm de largo. Cápsulas inclinadas a horizontales, urna elíptico-cilíndrica, curvada, lisa a algo estriada cuando desoperculada, (1.5)2-3 mm de largo; células exoteciales hexagonales, paredes gruesas; opérculo cónico-rostrado, 1.5-2.0 mm de largo; peristoma con dientes del exostoma anaranjado-rojizos abajo, amarillo pálidos o hialinos arriba, estriados abajo, haciéndose papilosos distalmente; endostoma amarillo pálido o hialino, ligeramente papiloso, plegado. Caliptra aprox. 3.5 mm de largo. Esporas 16-18 µm de diámetro.
 


 

 
 
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