2008
DOI: 10.1139/b08-098
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Morphology and evolution of epiphytic Davalliaceae scales

Abstract: The scales of most members of the Davalliaceae and related epiphytic, secondary-hemiepiphytic, and climbing ferns consist of a stalk and a shield, are dense, and are persistent on the long-creeping rhizomes. They differ from the sessile, mostly deciduous scales of the related terrestrial eupolypod ferns. The stalked scales first developed two-dimensionally and later produced the proximal part of the shield from near the base to comprise a peltate or pseudopeltate shield on a stalk. Anatomical observations show… Show more

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Cited by 15 publications
(5 citation statements)
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“…9), the species with large and thin texture scales are found mainly in the southern areas, whereas the species with small and thick texture scales are found mainly in the northern areas in China. It has been proposed that rhizome scales have significant roles such as protection against desiccation, external water storage, and absorption of water and nutrients (Tsutsumi & Kato, 2008).…”
Section: Geographical Distributionsmentioning
confidence: 99%
“…9), the species with large and thin texture scales are found mainly in the southern areas, whereas the species with small and thick texture scales are found mainly in the northern areas in China. It has been proposed that rhizome scales have significant roles such as protection against desiccation, external water storage, and absorption of water and nutrients (Tsutsumi & Kato, 2008).…”
Section: Geographical Distributionsmentioning
confidence: 99%
“…Las escamas peltadas multicelulares vegetativas están presentes en algunos grupos de helechos representantes de la familia Davillaceae, Lomariopsidaceae, Dryopteridaceae, Oleandraceae, Polypodiaceae, Cyatheaceae y Saccolomataceae (Tsutsumi & Kato, 2008). No obstante, las escamas receptaculares peltadas que cubren a los esporangios solo se han registrado en algunos géneros de Polypodiaceae (Hennipman et al, 1990, Smith &Tejero-Díez, 2014Almeida, Salino, Dubuisson, & Hennequin, 2017) lo que se puede constatar en este trabajo para P. macrocarpa.…”
Section: Discussionunclassified
“…Son pocos los estudios anatómicos que relacionen a las escamas pluricelulares peltadas presentes en las frondas y rizomas de algunas especies de helechos, con la función de protección e hidratación (Tsutsumi & Kato, 2008;Tejero-Díez, 2009;Hietz, 2010;Lagoria et al, 2018). No se cuenta con información relevante sobre la función de las escamas receptaculares presentes en algunas Polypodiaceae.…”
Section: Discussionunclassified
“…The rhizome scales may be associated with the biological functions (e.g. storage and transportation of water in plants exposed to high irradiance and desiccation) of indumenta in the epiphytic, hemiepiphytic, or climbing ferns (Tsutsumi & Kato, ). Moreover, rhizome scales are useful when inferring evolutionary relationships for microsoroid ferns (Wang et al, ).…”
Section: Discussionmentioning
confidence: 99%