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Published In: Die Natürlichen Pflanzenfamilien I(3): 1100, 777. 1908. (Nat. Pflanzenfam.) Name publication detailView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/23/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/20/2020)
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
substrate: logs, treelets and trees
frequency: infrequent, common

Notes     (Last Modified On 10/20/2020)
Notes:
Ecology: Humid lowland to lower montane forest; epiphytic, on trunk and branches of trees, also on trunk of palms and logs. Elevation: 150-2470 m (Venezuela: 150 m, Colombia: 150-2470 m, Ecuador: 800-900 m, Peru: ? m, Bolivia: 280-430 m). Distribution: Widespread in the Neotropics, mostly at low elevations.
 
Ecología: Bosques montanos húmedos en tierras bajas hasta bosque montano inferior; epífitas, sobre troncos y ramas de árboles, also sobre troncos de palmeras y leños. Elevación: 150-2470 m (Venezuela: 150 m, Colombia: 150-2470 m, Ecuador: 800-900 m, Perú: ? m, Bolivia: 280-430 m). Distribución: Ampliamente distribuida en el Neotrópico, mayormente en bajas elevaciones.
 
First collected by Humboldt and Bonpland in Colombia, this species is probably more common than the few existing collections would indicate, readily over looked due to its small size.
 
Fue colectada primero por Humboldt y Bonpland en Colombia, esta especie probablemente es más común de los que las pocas colecciones existentes indicarían, pasa desapercibida fácilmente debido a su pequeño tamaño.
 
Status unknown: Pterogonidium liliputanum Broth., Rev. Bryol. 47: 44. 1921. Type: Ecuador. Prov. del Oriente, ad arbores secus flumen Gualaquiza, Allioni. The type was apparently made from premontane forest at ca. 900 m. The is very likely a synonym of P. pulchellum.

 

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Plants small, forming soft, somewhat delicate mats, glossy light green to yellowish-green. Stems and branches spreading to subascending; pseudoparaphyllia filamentous; rhizoids clustered beneath stems. Leaves erect-spreading to spreading, lanceolate to ovate-short lanceolate, 0.5-0.7 mm long, to 0.3 mm wide, slightly concave below, apex acuminate; margins plane, entire or distal 1/3-2/3 serrulate; costae short and forked or absent; median cells fusiform, 50-70 µm long, 6-8 µm wide, smooth; alar cells differentiated, 3-4 rows of quadrate to short rectangular cells (oblate or not), extending up to 6-8 cells along margin, 10-25 µm long, to 10 µm wide. Autoicous. Perigonia bud-like. Perichaetia lateral; leaves similar, outer series smaller. Setae elongate, ca. 3 mm long, smooth, reddish-orange to yellow. Capsules exserted, erect, urn short-cylindrical, slightly asymmetric, 0.7-0.8 mm long, smooth; exothecial cells irregularly short to long rectangular, thin-walled; stomata few at urn base, superficial; opercula short-rostrate, 0.4 mm long; peristome single, exostome teeth 16, reduced, to 90 µm long, tips bluntly rounded, papillose; endostome absent. Calyptrae cucullate, 0.7-0.8 mm long, smooth and naked. Spores spherical, 14-16 µm in diameter, lightly papillose.

 

Plantas pequeñas, formando matas suaves, algo delicadas, verdes claras brillantes a verde-amarillentas. Tallos y ramas patentes a subascendentes; pseudoparafilos filamentosos; rizoides agregados en la porción inferior de los tallos. Hojas erecto-extendidas a patentes, lanceoladas a corto-ovado lanceoladas, 0.5-0.7 mm de largo, hasta 0.3 mm de ancho, escasamente cóncavas hacia abajo, ápices acuminados; márgenes planos, enteros o distales 1/3-2/3 serrulados; costa corta y bifurcada o ausente; células mediales fusiformes, 50-70 µm de largo, 6-8 µm de ancho, lisas; células alares diferenciadas, 3-4 filas de células cuadradas a corto rectangulares (oblatas o no), extendiéndose hacia arriba unas 6-8 células a lo largo del borde, 10-25 µm de largo, hasta 10 µm ancho. Autoicas. Perigonios en forma de brote. Periquecios laterales; hojas similares, series externas menores. Setas alargadas, ca. 3 mm de largo, lisas, naranja-rojizas a amarillas. Cápsulas excertas, erectas, urna corto-cilíndrica, escasamente asimétrica, 0.7-0.8 mm de largo, lisas; células exoteciales irregularmente cortas a largo rectangulares, con paredes delgada; pocos estoma en la base de la urna, superficiales; opérculo corto-rostrado, 0.4 mm de largo; peristoma simple, exostoma con 16 dientes, reducidos, hasta 90 µm de largo, extremos obtusamente redondeados, papilosos; endostoma ausente. Caliptra cuculada, 0.7-0.8 mm de largo, lisa y desnuda. Esporas esféricas, 14-16 µm de diámetro, ligeramente papilosas.

 
 


 

 
 
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