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Published In: Bericht über die Thätigkeit der St. Gallischen Naturwissenschaftlichen Gesellschaft 1875–76: 358. 1877. (Ber. Thätigk. St. Gallischen Naturwiss. Ges.) Name publication detail

Project Name Data (Last Modified On 10/6/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/8/2017)
Status: endemic
Plant Category: Mosses

Notes     (Last Modified On 10/8/2017)
Stenodesmus is a monospecific genus endemic to the tropical Andes. The genus is characterized by soft tufted plants, weakly differentiation between lateral and median ovate to oblong, deeply concave leaves, flexuose long acuminate apex, indistinct border, weak double costae, thin-walled hexagonal to oblong-rectangular median cells, spinose and papillose elongate seta, erect capsule, bordered papillose exostome, high endostomial basal membrane, and lobed, campanulate calyptra. The gametophytes of both Stenodesmus and Stenodictyon are virtually identical. The sporophyte is diagnostic, Stenodesmus exhibits a spinose seta and a daltoneous peristome, and Stenodictyon has a smooth seta and bryoid peristome.
Este género monotípico, S. tenuicuspis (Mitt.) A. Jaeger, está caracterizado por plantas en manojos suaves, con una leve diferenciación entre las hojas laterales y medias, que son ovadas a oblongas, profundamente cóncavas, ápice largo acuminado, flexuoso, borde indistinto, costa doble tenue, células mediales hexagonales a oblongo-rectangulares, seta alargada, espinosa y papilosa, cápsula erecta, exostoma bordeado, papiloso, membrana basal del endostoma alta, y caliptra lobada, campanulada. Los gametofitos de Stenodesmus y de Stenodictyon son virtualmente idénticos. El esporofito sirve de diagnóstico, Stenodesmus presenta una seta espinosa y un peristoma daltonáceo, y Stenodictyon tiene una seta lisa y peristoma bryoide.

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