Tropicos | Name - !Colobodontium vulpinum (Mont.) S.P. Churchill & W.R. Buck

Andean Bryo > Sematophyllaceae > Colobodontium > Colobodontium vulpinum

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!Colobodontium vulpinum (Mont.) S.P. Churchill & W.R. Buck

Search in Muséum national d'Histoire naturelle

Search in Type Specimen Register of the U.S. National Herbarium

Search in African Plants Database at Geneva Botanical Garden

Project Name Data (Last Modified On 9/22/2009)

Acceptance : Accepted

Project Data (Last Modified On 5/4/2013)

country distribution: Venezuela, Colombia, Peru

EcoRegions: Amazon (incl. Llanos)

elevation: 0-500, 500-1000

substrate: rocks, logs, treelets and trees

frequency: infrequent

Notes (Last Modified On 5/4/2013)

Notes:

Ecology: Wet lowlands forest; inundated sties on tree trunks and branches, decaying logs and rocks. Elevation: 100-625 m (Venezuela: 390-625 m, Colombia: 100-300 m, Peru: 100 m). Distribution: Amazonia (Brazil, Colombia, Peru and Venezuela) and the Guianas (French Guiana, Guyana, Surinam).

Ecología: Bosques húmedos de tierras bajas; en sitios inundados sobre troncos de árboles y ramas, leños en descomposición y rocas. Elevación: 100-625 m (Venezuela: 390-625 m, Colombia: 100-300 m, Perú: 100 m). Distribución: Amazonía (Brasil, Colombia, Perú y Venezuela) y las Guyanas (Guyana Francesa, , Guyana, Surinam).

Synonyms include Colobodontium aciculare Herzog, Meiothecium negrense Spruce ex Mitt., Potamium deceptivum Mitt., Sematophyllum maguireorum W.R. Buck.

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Plants forming mats, irregularly pinnately branched; rhizoid numerous, clustered beneath stems. Leaves oval-ovate or semi-orbicular, to 1.4 mm long, to 0.8 mm wide, apex acute to broadly acuminate or obtuse-rounded; margins crenulate distally; costae short and double, indistinct or absent; laminal cells smooth, elongate-rhomboidal; cells of apices rhombic or oval; alar region differentiated, cells oblong to rectangular-rounded, inflated, supra-alar cells quadrate. Autoicous. Perichaetia lateral; leaves lanceolate, acute. Setae usually elongate, 2-9 mm long, smooth. Capsules erect, urn cylindrical, 0.9-1.1 mm long; exothecial cells rectangular, incrassate, not collenchymatous; opercula conic-rostrate; peristome double, exostome teeth 16, slender from a broad base, separated at base, smooth to papillose, ± abruptly narrowed papillose segment (often broken or appearing rudimentary); endostome basal membrane low or appearing absent, segments filiform or rudimentary, papillose. Calyptrae cucullate, smooth and naked. Spores spherical or nearly so, 16-20 µm in diameter, finely papillose.

Plantas formando tapices, Tallos pinnados irregularmente; rizoides numerosos, agrupados debajo de los tallos. Hojas oval-ovadas o semi-orbiculares, hasta 1.4 mm de largo, hasta 0.8 mm de ancho, ápice agudo a anchamente acuminado u obtuso-redondeado; márgenes crenulados; costa corta y doble, indistinta o ausente; células de la lámina lisas, alargado-romboidales; células de los ápices rómbicas u ovales; región alar diferenciada, células oblongas a rectangular-redondeadas, infladas, células supra-alares cuadradas. Autoicas. Periquecios laterales; hojas lanceoladas, agudas. Setas usualmente alargadas, 2-9 mm de largo, lisas. Cápsulas erectas, urna cilíndrica, 0.9-1.1 mm de largo; células exoteciales rectangular, engrosadas, no colenquimatosas; opérculo cónico-rostrado; peristoma doble, dientes del exostoma 16, delgados, desde una base ancha, separados en la base, lisos a papilosos, segmentos papilosos angostados ± abruptamente (generalmente quebrados o aparentemente rudimentarios); membrana basal del endostoma baja o aparentemente ausente, segmentos filiformes o rudimentarios, papilosos. Caliptra cuculada, lisa y desnuda. Esporas esféricas o casi así, 16-20 µm de diámetro, finamente papilosas.