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Las Briofitas. Bolivia Ecologica 59
Calyptrochaeta Desv. Search in The Plant ListSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Mémoires de la Société Linnéenne de Paris, précédés de son histoire 3: 226. 1825. (Mém. Soc. Linn. Paris) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 4/27/2009)
Acceptance : Accepted
Notes     (Last Modified On 10/21/2012)
general taxon notes:

Calyptrochaeta is a pantropical genus of fewer than 30 species; 3-5 species in the Neotropics. The erect, complanate-foliate plants with plane, weakly bordered leaves with a toothed margin, short, single costa that is forked distally, and the distinctive distally ciliate seta are diagnostic for the genus. The name Eriopus Brid., nom. illeg., was employed by previous authors.

In Bolivia only a single species recorded, Eriopus papillatus Herzog. The name is not here transferred to Calyptrochaeta since it is likely a synonym of an earlier name.

 

Calyptrochaeta es un género pantropical con poco menos de 30 especies; 3-5 especies en el Neotrópico. Las características que sirven para identificar este género son las plantas erectas, complanado-foliosas con hojas planas, débilmente bordeadas, con margen dentado, costa simple, corta, bifurcada distalmente y setas distintivamente ciliadas en la parte distal. En Bolivia se ha registrado sólo una especie Eriopus papillatus Herzog. El estado de este taxón es desconocido, pero es muy probable que sea un sinónimo de una especie descrita anteriormente en los Andes tropicales.


 

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Plants medium sized, forming short lax tufts or mats, glossy pale green. Stems suberect, in cross-section central strand absent. Leaves loosely complanate, differentiated between asymmetric lateral and ± symmetric, somewhat smaller median leaves, erect-spreading, broadly oblanceolate or obovate, apex short to rather long acuminate, base slightly decurrent on lateral leaves; margins plane, limbate, sharply serrate; costae single 1/2 or less lamina length, forked along nerve, unequal, on some leaves indistinct or absent; laminal cells smooth, median cells broadly to narrowly hexagonal; marginal cells forming a border, 1-4 rows of linear cells. Autoicous or dioicous. Perichaetia lateral; leaves small, ovate-lanceolate. Setae elongate, rather stout, spinose to ciliate distally with multicellular hairs. Capsules pendulous, urn ovoid to subglobose with a distinct neck; opercula conic-rostrate, erect; peristome double, exostome teeth 16, furrowed, lamellae extending beyond margin; endostome basal membrane high, segments 16, narrow, keeled and perforate, lightly papillose, cilia reduced. Calyptrae mitrate, smooth? or roughed, fringed at base. Spores not observed.

Plantas medianas, formando manojos o matas cortas y laxas, de color verde pálido, brillante. Tallos suberectos, en corte transversal sin cordón central. Hojas laxamente complanadas, diferenciadas entre laterales asimétricas y mediales  ± simétricas, menores, erecto-extendidas, anchamente oblongo-lancoladas u obovadas, ápices cortos a bastante largo-acuminados, hojas laterales con bases escasamente decurrentes; márgenes planos, con costa, claramente serrados; costa simple ocupando 1/2 o menos de la longitud de la lámina, bifurcadas a lo largo del nervio, desiguales, en algunas hojas poco distinguibles o ausentes; células de la lámina lisas, células mediales anchamente hasta angostamente hexagonales; células del margen formando un borde, 1-4 filas de células lineales. Autoicas o dioicas. Periquecios laterales; hojas pequeñas, ovado-lanceoladas. Setas alargadas, bastante robustas, distalmente espinosas hasta ciliadas con pelos multicelulares. Cápsulas péndulas, urna ovoide a subglobosa con cuello conspicuo; opérculo cónico-rostrado, erecto; peristoma doble, exostoma con 16 dientes, acanalados, lamelas extendiéndose fuera del margen; membrana basal endostoma alta, con 16 segmentos, angostos, carinados y perforados, finamente papilosos, cilios reducidos. Caliptra mitrada, lisa? o rugosa, con flecos en la base. Esporas no observadas.

 
 
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