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Published In: Species Muscorum Frondosorum 51–56, pl. 8. 1801. (Sp. Musc. Frond.) 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

Notes     (Last Modified On 10/31/2017)
general taxon notes:
Splachnum contains nine species; two species recorded for the Neotropics. In Bolivia only a single species recognized, Splachnum weberbaueri Reimers. The genus is readily recognized by the inflated, pale rose or whitish-green colored hypophysis, additional combined features include long-acuminate, elliptical-lanceolate or oblanceolate leaves, often weakly bordered margins, and peristome teeth fused into 8 paired.
 
Splachnum contiene nueve especies; dos especies registradas en el Neotrópico. En Bolivia sólo una especie es reconocida, Splachnum weberbaueri Reimers. El género se reconoce fácilmente por las hipófisis infladas, de color rosa pálido o verde-blancuzco, características adicionales combinadas incluyen las hojas largo-acuminadas, elíptico-lanceoladas u oblanceoladas, a menudo márgenes débilmente bordeados y dientes del peristoma fusionados en 8 pares.

 

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Plants forming dense tufts, glossy pellucid green. Stems to ca. 1 cm tall, few branched, tomentose below; central strand present. Leaves small below, distally crowded and larger, ± crispate or contorted when dry, erect-spreading when wet, elliptical-lanceolate or oblanceolate, 3-5.5 mm long, to 2 mm wide, distally folded, apex long acuminate; margins plane, entire to sharply serrate distally; costa short excurrent; median cells large, hexagonal to hexagonal-fusiform; lower and basal cells long rectangular; alar region undifferentiated; marginal cells oblong-rectangular. Autoicous. Perigonia on short branches; leaves with an oval base and distal wide-spreading, lanceolate limb. Perichaetia terminal; leaves similar. Setae elongate, 5-40 mm long, slender, flexuose or not, pale whitish-green to pink or dark bright red, smooth, twisted when dry. Capsules erect, short to long exserted, differentiated between a short urn and inflated neck (hypophysis), urn cylindrical, 0.6-1.4 mm long, brown; exothecial cells strongly collenchymatous, oblate-rectangular or subquadrate; hypophysis (neck) pyriform or only slightly inflated, 1.5-6 mm long, to 4 mm wide, white to pale pink or red; stomata on distal hypophysis, superficial; columella often shortly exserted when dry; opercula convex- or conic-apiculate; peristome teeth fused in 8 pairs, papillose, reflexed when dry. Calyptrae mitrate-campanulate, ca. 1.2 mm long. Spores spherical or oval, smooth or lightly papillose.
 
Plantas formando manojos densos, verdes brillantes pelúcidas. Tallos hasta ca. 1 cm de alto, poco ramificados, tomentoso en la porción basal; cordón central presente. Hojas pequeñas en la porción basal, distalmente agregadas y más grandes, ± crespas o contortas en seco, erecto-extendidas en húmedo, elíptico-lanceoladas o oblanceoladas, 3-5.5 mm de largo, hasta 2 mm de ancho, distalmente plegadas, ápices largo acuminados; márgenes planos, enteros a marcadamente serrados en la porción distal; costa corto excurrente; células mediales grandes, hexagonales a hexagonal-fusiformes; células inferiores y basales largo rectangulares; región alar indiferenciada; células marginales oblongo-rectangulares. Autoicas. Perigonio en ramas cortas; hojas con la base oval y ampliamente extendidas en la porción distal, limbo lanceolado. Periquecio terminal; hojas similares. Setas alargadas, 5-40 mm de largo, delgadas, flexuosas o no, verde-blanquecinas pálidas a rosadas o rojas brillantes oscuras, lisas, torcidas en seco. Cápsulas erectas, corto a largo excertas, diferenciadas entre una urna corta y un cuello inflado (hipófisis), urna cilíndrica, 0.6-1.4 mm de largo, parda; células exoteciales marcadamente colenquimatosas, oblato-rectangulares o subcuadradas; hipófisis (cuello) piriforme o sólo escasamente inflada, 1.5-6 mm de largo, hasta 4 mm de ancho, blanca a roja o rosada pálido; estomas en la porción distal de la hipófisis, superficiales; columnela a menudo brevemente excertas en seco; opérculo convexo- o cónico-apiculado; dientes del peristoma fusionados en 8 pares, papilosos, reflexos en seco. Caliptra mitrada-campanulada, ca. 1.2 mm de largo. Esporas esféricas u ovales, lisas o finamente papilosas.
 
 
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