A new species of Chionoloma (Pottiaceae) from Central and South America with a key to Neotropical species of the genus
2017
Alonso García, Marta | Jiménez, Juan A. | Cano, María J. | Facultades, Departamentos, Servicios y Escuelas::Departamentos de la UMU::Biología Vegetal
© 2017, The American Bryological and Lichenological Society, Inc.This document is the Published version of a Published Work that appeared in final form in Bryologist. To access the final edited and published work see https://doi.org/10.1639/0007-2745-120.3.340
Afficher plus [+] Moins [-]A new species of Chionoloma Dixon, C. fractum M.Alonso, M.J.Cano & J.A.Jiménez, is described from Central and South America (Argentina, Belize, Bolivia, Brazil, Colombia, Ecuador, Panama, Peru and Venezuela). The species is distinguished morphologically by lanceolate or linear leaves, with apices usually broken, leaf margins strongly sinuous, basal marginal cells forming a V-shaped pattern, dorsal surface cells of the costa quadrate-round and papillose toward apex, costa percurrent or excurrent in a short mucro and central strand present. Drawings and light microscope photographs of the new species are provided. Moreover, the principal distinctive characters that separate it from the nearest species of Chionoloma are discussed and a key to Neotropical species of the genus is provided.
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