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!Hydropogonella gymnostoma (Schimp.) Cardot ex Le Jol. 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 GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Revue Bryologique 22: 18. 1895. (Rev. Bryol.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 5/7/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/31/2017)
Plant Category: Moss
EcoRegions: Amazon
Elevation: 0-500
Substrate: rocks, logs
Frequency: rare

Notes     (Last Modified On 10/31/2017)
general taxon notes:
Ecology. Amazon forest; submerged, attached to rocks, branches and trunks of shrubs and trees; Elevation. ca. 150 m. Distribution. Bolivia: Santa Cruz. World range: upper Amazon basin of Brazil and Bolivia, Orinoco Delta of Venezuela, and Guiana, also from Central America (Nicaragua).
 
Ecología.Bosque amazónico; inmerso, adherido a rocas, ramas y troncos de arbustos y árboles. Altitud. ca. 150 m. Distribución. Cuenca amazónica superior de Brasil y Bolivia, Delta del Orinoco de Venezuela y Guyana, también en Centro América (Nicaragua).
 
Hydropogonella gymnostoma is a rare throughout its range. The species is distinguished by the flaccid, oblong, elliptical or oblanceolate leaves, entire margins, absence of a costa, and capsules lacking a peristome.
 
Hydropogonella gymnostoma es rara en toda su distribución. Esta especies se caracteriza por el hábito fláccido y suave de las plantas, hojas oblongas, elípticas u oblanceoladas, márgenes enteros, sin costa y cápsulas sin peristoma.

 

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Plants rather small, forming loose, mats, pale green. Stems creeping or spreading, lax, to 15 cm long, irregularly pinnately branched. Leaves 3-ranked, distant or somewhat crowded on stem or branch tips, elliptical to obovate or oblanceolate, to 2.2 mm long, flaccid, apex bluntly acute to obtuse, occasionally apiculate; margins plane, entire; ecostate; laminal cells pellucid, smooth and firm-walled, apical cells short, 1-2:1; median cells oblong-fusiform or long hexagonal; alar cells oblong-short rectangular to subquadrate; marginal cells subquadrate to short-rectangular, forming an indistinct border. Autoicous. Perichaetia terminal on short branches. Capsules immersed to slightly emergent, urn ellipsoid or short cylindrical, to 1 mm long; annulus absent; opercula short-rostrate; peristome absent. Calyptrae mitrate, base slightly laciniate. Spores smooth.

 

Plantas bastante pequeñas, formando matas laxas, verdes pálidas. Tallos reptantes o patentes, laxos, hasta 15 cm de largo, ramificaciones irregularmente pinnadas. Hojas en 3-filas, distaciadas o algo agregadas en los extremos de los tallos o ramas, elípticas a obovadas o oblanceoladas, hasta 2.2 mm de largo, fláccidas, ápices obtusamente agudos a obtusos, ocasionalmente apiculados; márgenes planos, enteros; ecostadas; células de la lámina pelúcidas, lisas y con paredes firmes, células apicales cortas, 1-2:1; células mediales oblongo-fusiformes o largo hexagonales; células alares oblongo-cortas rectangulares a subcuadradas; células marginales subcuadradas a corto-rectangulares, formando un borde indistinto. Autoicas. Periquecios terminales en ramas cortas. Cápsulas inmersas a escasamente emergentes, urna elipsoide o corto cilíndrica, hasta 1 mm de largo; anillo ausente; opérculo corto-rostrado; peristoma ausente. Caliptra mitrada, base escasamente laciniada. Esporas lisas.

 
 


 

 
 
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